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General

  • Target

    943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118

  • Size

    1.4MB

  • Sample

    241124-m4yaessngm

  • MD5

    943d3e51c00b149d0fda61b891e6df0a

  • SHA1

    92bc6b96b3ec3eb08798dd518b6201424518b11d

  • SHA256

    b3614ad64d0a66c943c9b6551740a47c85c64598faea2576540dd207ae089e09

  • SHA512

    c9127e074260ec969fc144c5c494366d2761804ee3078f5fca032a0f46395aa58e82e3e643cf38b70b77d8b32fbe6b48be5b7de7b25bc82ca9c493eb50546302

  • SSDEEP

    12288:E8av9lKYx0zWXf805Si0z+CSYNgrFTuOIgIa8VOLHT2fXHk/HmUVpmldEVRC7:E59tKze9VgrOFAYLHT2fXHvOi

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.moqruop.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qiPyjPF7

Targets

    • Target

      943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118

    • Size

      1.4MB

    • MD5

      943d3e51c00b149d0fda61b891e6df0a

    • SHA1

      92bc6b96b3ec3eb08798dd518b6201424518b11d

    • SHA256

      b3614ad64d0a66c943c9b6551740a47c85c64598faea2576540dd207ae089e09

    • SHA512

      c9127e074260ec969fc144c5c494366d2761804ee3078f5fca032a0f46395aa58e82e3e643cf38b70b77d8b32fbe6b48be5b7de7b25bc82ca9c493eb50546302

    • SSDEEP

      12288:E8av9lKYx0zWXf805Si0z+CSYNgrFTuOIgIa8VOLHT2fXHk/HmUVpmldEVRC7:E59tKze9VgrOFAYLHT2fXHvOi

    • AgentTesla

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

    • Agenttesla family

    • AgentTesla payload

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • 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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks