General

  • Target

    fe1a3dc39399d84d548c22245e6834fb_JaffaCakes118

  • Size

    374KB

  • Sample

    240929-jx16ysvhjk

  • MD5

    fe1a3dc39399d84d548c22245e6834fb

  • SHA1

    1ff3a25dbad833cc71d093336f1909dbe10e8fa7

  • SHA256

    2062794ba57d2b43d792623c6e4abb1f90107d5c408e76e33b579295eaddc528

  • SHA512

    e32e7e128bc57f732a3771a0237030403d82681607078166f5c92e4bbefe451801c3bb4068ee86c2ceb6f5a7129cdfd87db059f78e11bbc5d720f0d8725e8241

  • SSDEEP

    6144:SAWbnYn+jiVlumrLasCHhBfBTrHL06SZBgN4PerJZtS3eUyZWFX+CQ4tOxxKpZSX:RWbnY+2B/OfrrA+FZINOWFXvOxxKzS4g

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    solo09052449116

Targets

    • Target

      purchase order oct_20_80373592_80373595.exe

    • Size

      564KB

    • MD5

      70a3002b8a40775f4856fc2cc8330b84

    • SHA1

      eef7bac7da1d3a40f6222ddfc08962db40c0e385

    • SHA256

      8dc9d32f21b231d0d1ed00ff04eae170eb680034e4079db1f6e17079ab5aa2f9

    • SHA512

      f5303e7f3f96a4b7935a7d3702ced2d37b862181b574e368e9f9351fdb4180034528c3b53dbfd6fb66836caeb9edb5d6fd21872a78a2abe9565a4ed09a788193

    • SSDEEP

      12288:ZHDOTk3cUdLMzEpwrrO+hZcNWWFXxwYOwU98:ZXs2ppB+hZcwWNxWwv

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AgentTesla payload

    • Checks computer location settings

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

    • Drops startup file

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks