Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 08:10

General

  • Target

    JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe

  • Size

    498KB

  • MD5

    0d1fa230547e8327115e01b3f5956133

  • SHA1

    a2942ed55a16fd4b0ca9ac6b7552fbeb5509ecb7

  • SHA256

    8e3e00075143d3fd621479fb61188c41560186ce1877e83e9d1e938b866adef6

  • SHA512

    7dd223bb25b6ad0f7ec0beb6880ba0fc29404cae8f5548745172f7ae04abe34668e4b3183f3869c4dabf4fcd7fd512976363d4909bd9156b47625598e259a414

  • SSDEEP

    6144:FuxpYkSlNpfOCgxdx1ZcGv9WMPznQIGHnmC7I85eVmftpQ6cxHn8eI+mOmFzivqb:F35OCgLxbZvTgzEeqmf3Q7vsFz2qb

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    xxxlahot2

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lTrrhuvZeKce" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3EAA.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3360
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:3060
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2548

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2024-10-0x0000000074DA0000-0x0000000075550000-memory.dmp

      Filesize

      7.7MB

    • memory/2024-2-0x0000000004FF0000-0x0000000005594000-memory.dmp

      Filesize

      5.6MB

    • memory/2024-11-0x00000000081F0000-0x000000000828C000-memory.dmp

      Filesize

      624KB

    • memory/2024-3-0x0000000004A40000-0x0000000004AD2000-memory.dmp

      Filesize

      584KB

    • memory/2024-4-0x0000000074DA0000-0x0000000075550000-memory.dmp

      Filesize

      7.7MB

    • memory/2024-5-0x0000000004C10000-0x0000000004C1A000-memory.dmp

      Filesize

      40KB

    • memory/2024-6-0x0000000074DA0000-0x0000000075550000-memory.dmp

      Filesize

      7.7MB

    • memory/2024-7-0x0000000074DA0000-0x0000000075550000-memory.dmp

      Filesize

      7.7MB

    • memory/2024-12-0x0000000008350000-0x00000000083B0000-memory.dmp

      Filesize

      384KB

    • memory/2024-9-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

      Filesize

      4KB

    • memory/2024-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

      Filesize

      4KB

    • memory/2024-1-0x0000000000010000-0x0000000000092000-memory.dmp

      Filesize

      520KB

    • memory/2024-8-0x0000000008130000-0x000000000813E000-memory.dmp

      Filesize

      56KB

    • memory/2024-21-0x0000000074DA0000-0x0000000075550000-memory.dmp

      Filesize

      7.7MB

    • memory/2548-20-0x0000000074DA0000-0x0000000075550000-memory.dmp

      Filesize

      7.7MB

    • memory/2548-18-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2548-22-0x0000000074DA0000-0x0000000075550000-memory.dmp

      Filesize

      7.7MB

    • memory/2548-23-0x0000000005690000-0x00000000056A8000-memory.dmp

      Filesize

      96KB

    • memory/2548-24-0x0000000006470000-0x00000000064D6000-memory.dmp

      Filesize

      408KB

    • memory/2548-25-0x0000000074DA0000-0x0000000075550000-memory.dmp

      Filesize

      7.7MB

    • memory/2548-26-0x0000000074DA0000-0x0000000075550000-memory.dmp

      Filesize

      7.7MB

    • memory/2548-28-0x0000000006630000-0x0000000006680000-memory.dmp

      Filesize

      320KB