General

  • Target

    fdb26015007ea3037a6b632c938052ebe4a18de9cd9e9c19603c89631051e291

  • Size

    2.1MB

  • Sample

    240315-k1vc9aef53

  • MD5

    794d4650946509c332f572b21d5fc414

  • SHA1

    1af2e226b90cc17b9c2e997a9f637715427cc000

  • SHA256

    fdb26015007ea3037a6b632c938052ebe4a18de9cd9e9c19603c89631051e291

  • SHA512

    214724442d005428a63e4d5de7130b9eb3224b2bf2fdfaf12624e78eea1bcc63e8b8102fa2bb656daf7113fb18f311205ca9150d96baad1b2de7028bd26e0d31

  • SSDEEP

    49152:LKHUFWK+aT5Ypse7+QUsNVb9kyZsPLpUbWTeq2Dp/ZklDKJqYz:ero9YdUstU2bWTeVDpyBlYz

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.145

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Targets

    • Target

      fdb26015007ea3037a6b632c938052ebe4a18de9cd9e9c19603c89631051e291

    • Size

      2.1MB

    • MD5

      794d4650946509c332f572b21d5fc414

    • SHA1

      1af2e226b90cc17b9c2e997a9f637715427cc000

    • SHA256

      fdb26015007ea3037a6b632c938052ebe4a18de9cd9e9c19603c89631051e291

    • SHA512

      214724442d005428a63e4d5de7130b9eb3224b2bf2fdfaf12624e78eea1bcc63e8b8102fa2bb656daf7113fb18f311205ca9150d96baad1b2de7028bd26e0d31

    • SSDEEP

      49152:LKHUFWK+aT5Ypse7+QUsNVb9kyZsPLpUbWTeq2Dp/ZklDKJqYz:ero9YdUstU2bWTeVDpyBlYz

    • Stealc

      Stealc is an infostealer written in C++.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Target

      $PLUGINSDIR/INetC.dll

    • Size

      21KB

    • MD5

      2b342079303895c50af8040a91f30f71

    • SHA1

      b11335e1cb8356d9c337cb89fe81d669a69de17e

    • SHA256

      2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

    • SHA512

      550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

    • SSDEEP

      384:KOoVVefeWsI7rsIquPLNN546o0Ac9khYLMkIX0+Gzyekv:4VVaeE7wIqyJN5i

    Score
    3/10
    • Target

      $TEMP/BroomSetup.exe

    • Size

      1.7MB

    • MD5

      eee5ddcffbed16222cac0a1b4e2e466e

    • SHA1

      28b40c88b8ea50b0782e2bcbb4cc0f411035f3d5

    • SHA256

      2a40e5dccc7526c4982334941c90f95374460e2a816e84e724e98c4d52ae8c54

    • SHA512

      8f88901f3ebd425818db09f268df19ccf8a755603f04e9481bcf02b112a84393f8a900ead77f8f971bfa33fd9fa5636b7494aaee864a0fb04e3273911a4216dc

    • SSDEEP

      49152:YUnaQiKJ8N+AadA6mICFhNGffVCPi9NUko6jE:ZwKa+u6mICFSwPKDK

    Score
    7/10
    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Target

      $TEMP/syncUpd.exe

    • Size

      237KB

    • MD5

      04bd95c49dbb7391d08d08e5717e8e3f

    • SHA1

      daf5d5b340c8a2265709963ae23c89ee18e29720

    • SHA256

      7aeafe5281075a0385c73e55edc9cac577968b623e33961975174af6ce8355fb

    • SHA512

      13aa59ac47a8401f7913551eeacb097af596d5096122b1309b75bb04efa94018897895a47890b05b21b0ad8e078e7b172a132897e8dae6745ab8b3da7f611d05

    • SSDEEP

      3072:5Tuy47ZIsY2azZFoN3jY15e7EfTmxt84Z1LbeMDpfM:5MF7a7q3jYTOGmfXiMd

    • Stealc

      Stealc is an infostealer written in C++.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Enterprise v15

Tasks