Technical Information
Malicious functions
Executes the following
- '<SYSTEM32>\taskkill.exe' /F /IM msedge.exe
Reads files which store third party applications passwords
- %APPDATA%\mozilla\firefox\profiles.ini
- %LOCALAPPDATA%\microsoft\edge\user data\default\login data
- %LOCALAPPDATA%\microsoft\edge\user data\default\web data
Modifies file system
Creates the following files
- %TEMP%\_mei52722\81d243bd2c585b0f4821__mypyc.cp311-win_amd64.pyd
- %TEMP%\_mei52722\crypto\cipher\_arc4.pyd
- %TEMP%\_mei52722\crypto\cipher\_salsa20.pyd
- %TEMP%\_mei52722\crypto\cipher\_chacha20.pyd
- %TEMP%\_mei52722\crypto\cipher\_pkcs1_decode.pyd
- %TEMP%\_mei52722\crypto\cipher\_raw_aes.pyd
- %TEMP%\_mei52722\crypto\cipher\_raw_aesni.pyd
- %TEMP%\_mei52722\crypto\cipher\_raw_arc2.pyd
- %TEMP%\_mei52722\crypto\cipher\_raw_blowfish.pyd
- %TEMP%\_mei52722\crypto\cipher\_raw_cast.pyd
- %TEMP%\_mei52722\crypto\cipher\_raw_cbc.pyd
- %TEMP%\_mei52722\crypto\cipher\_raw_cfb.pyd
- %TEMP%\_mei52722\crypto\cipher\_raw_ctr.pyd
- %TEMP%\_mei52722\crypto\cipher\_raw_des.pyd
- %TEMP%\_mei52722\crypto\cipher\_raw_des3.pyd
- %TEMP%\_mei52722\crypto\cipher\_raw_ecb.pyd
- %TEMP%\_mei52722\crypto\cipher\_raw_eksblowfish.pyd
- %TEMP%\_mei52722\crypto\cipher\_raw_ocb.pyd
- %TEMP%\_mei52722\crypto\cipher\_raw_ofb.pyd
- %TEMP%\_mei52722\crypto\hash\_blake2b.pyd
- %TEMP%\_mei52722\crypto\hash\_blake2s.pyd
- %TEMP%\_mei52722\crypto\hash\_md2.pyd
- %TEMP%\_mei52722\crypto\hash\_md4.pyd
- %TEMP%\_mei52722\crypto\hash\_md5.pyd
- %TEMP%\_mei52722\crypto\hash\_ripemd160.pyd
- %TEMP%\_mei52722\crypto\hash\_sha1.pyd
- %TEMP%\_mei52722\crypto\hash\_sha224.pyd
- %TEMP%\_mei52722\crypto\hash\_sha256.pyd
- %TEMP%\_mei52722\crypto\hash\_sha384.pyd
- %TEMP%\_mei52722\crypto\hash\_sha512.pyd
- %TEMP%\_mei52722\crypto\hash\_ghash_clmul.pyd
- %TEMP%\_mei52722\crypto\hash\_ghash_portable.pyd
- %TEMP%\_mei52722\crypto\hash\_keccak.pyd
- %TEMP%\_mei52722\crypto\hash\_poly1305.pyd
- %TEMP%\_mei52722\crypto\math\_modexp.pyd
- %TEMP%\_mei52722\crypto\protocol\_scrypt.pyd
- %TEMP%\_mei52722\crypto\publickey\_curve25519.pyd
- %TEMP%\_mei52722\crypto\publickey\_curve448.pyd
- %TEMP%\_mei52722\crypto\publickey\_ec_ws.pyd
- %TEMP%\_mei52722\crypto\publickey\_ed25519.pyd
- %TEMP%\_mei52722\crypto\publickey\_ed448.pyd
- %TEMP%\_mei52722\crypto\util\_cpuid_c.pyd
- %TEMP%\_mei52722\crypto\util\_strxor.pyd
- %TEMP%\_mei52722\vcruntime140.dll
- %TEMP%\_mei52722\vcruntime140_1.dll
- %TEMP%\_mei52722\_asyncio.pyd
- %TEMP%\_mei52722\_bz2.pyd
- %TEMP%\_mei52722\_ctypes.pyd
- %TEMP%\_mei52722\_decimal.pyd
- %TEMP%\_mei52722\_hashlib.pyd
- %TEMP%\_mei52722\_lzma.pyd
- %TEMP%\_mei52722\_multiprocessing.pyd
- %TEMP%\_mei52722\_overlapped.pyd
- %TEMP%\_mei52722\_queue.pyd
- %TEMP%\_mei52722\_socket.pyd
- %TEMP%\_mei52722\_sqlite3.pyd
- %TEMP%\_mei52722\_ssl.pyd
- %TEMP%\_mei52722\base_library.zip
- %TEMP%\_mei52722\certifi\cacert.pem
- %TEMP%\_mei52722\charset_normalizer\cd.cp311-win_amd64.pyd
- %TEMP%\_mei52722\charset_normalizer\md.cp311-win_amd64.pyd
- %TEMP%\_mei52722\libcrypto-1_1.dll
- %TEMP%\_mei52722\libffi-8.dll
- %TEMP%\_mei52722\libssl-1_1.dll
- %TEMP%\_mei52722\pyexpat.pyd
- %TEMP%\_mei52722\python311.dll
- %TEMP%\_mei52722\pywin32_system32\pywintypes311.dll
- %TEMP%\_mei52722\select.pyd
- %TEMP%\_mei52722\sqlite3.dll
- %TEMP%\_mei52722\unicodedata.pyd
- %TEMP%\_mei52722\win32\win32crypt.pyd
- %TEMP%\2x_f_a8p
- %TEMP%\serviceupdate_2444.exe
- %TEMP%\is-j2qm2.tmp\serviceupdate_2444.tmp
- %TEMP%\is-25ols.tmp\_isetup\_setup64.tmp
- %TEMP%\is-25ols.tmp\innohelp.dll
- %TEMP%\is-25ols.tmp\builddate.txt
- %TEMP%\is-25ols.tmp\dopuslib32.dll
- %APPDATA%\mozilla\firefox\profiles\dnyauhh1.default-release\key4_temp.db
- %LOCALAPPDATA%\microsoft\edge\user data\default\history.db
- %LOCALAPPDATA%\microsoft\edge\user data\default\passwords.db
- %LOCALAPPDATA%\microsoft\edge\user data\default\credit_cards.db
- %LOCALAPPDATA%\bunny\history\msedge - default.txt
- %LOCALAPPDATA%\microsoft\edge\user data\default\webdata.db
- %LOCALAPPDATA%\bunny\autofills\autofills.txt
- %LOCALAPPDATA%\bunny\wallets\wallet_processing_summary.json
- nul
- %LOCALAPPDATA%\microsoft\edge\user data\devtoolsactiveport
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\index
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_0
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_2
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_3
- %LOCALAPPDATA%\microsoft\edge\user data\default\cookies-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\cookies
- %TEMP%\tmph3vwc439.ps1
- %LOCALAPPDATA%\bunny\screenshot.png
- %LOCALAPPDATA%\[unknown ip][xx]17-03-02-26-06-26.zip
Deletes following files that it created itself
- %TEMP%\2x_f_a8p
- %TEMP%\tmph3vwc439.ps1
Network activity
Connects to
- 'localhost':9876
TCP
HTTP GET requests
Other
- 'localhost':49696
- 'localhost':49697
UDP
- DNS ASK ap#.#pify.org
- DNS ASK ht##bin.org
- DNS ASK ap#.#yip.com
- DNS ASK ca##ox.moe
- DNS ASK ap#.#ofile.io
- DNS ASK ap#.##legram.org
Miscellaneous
Searches for the following windows
- ClassName: '' WindowName: ''
Creates and executes the following
- '%TEMP%\serviceupdate_2444.exe'
- '%TEMP%\is-j2qm2.tmp\serviceupdate_2444.tmp' /SL5="$7012E,28636966,898560,%TEMP%\ServiceUpdate_2444.exe"
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -ExecutionPolicy Bypass -File %TEMP%\tmph3vwc439.ps1
Restarts the analyzed sample
Executes the following
- '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --remote-debugging-port=9876 "--user-data-dir=%LOCALAPPDATA%\Microsoft\Edge\User Data" --profile-directory=Default --remote-allow-origins=* --headless=new --disable-gpu --no-sandbox
