Analysis

  • max time kernel
    132s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 01:49

General

  • Target

    f93da94bc00871371c194eff07a28172_JaffaCakes118.exe

  • Size

    423KB

  • MD5

    f93da94bc00871371c194eff07a28172

  • SHA1

    f46a561567a560c9368225f9cd5720a5b1c53688

  • SHA256

    02d0235dd2bfc7eb29274ed7235bc1e68c1c2e14a95bc0b8d19240533ddde892

  • SHA512

    040fc9ac6f5109c3f3ba95b7a3213eb38be69d9b9dacd234896b53015f9a16e840ef5d129eeb3801fc8b3d4b1eab78eddb0a5de3a2506bf22261e3bdf1be868c

  • SSDEEP

    12288:WL8QgsaMyqfkjXLCbARu982ZwGiFc3AwIyBi:WL8QgBMyqfkCbAK825iFcAPyB

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mohhg.com
  • Port:
    587
  • Username:
    peterj@mohhg.com
  • Password:
    nE~9+yd:Xgj5

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f93da94bc00871371c194eff07a28172_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f93da94bc00871371c194eff07a28172_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OYDkBrrq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5CB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2436
    • C:\Users\Admin\AppData\Local\Temp\f93da94bc00871371c194eff07a28172_JaffaCakes118.exe
      "{path}"
      2⤵
        PID:2908
      • C:\Users\Admin\AppData\Local\Temp\f93da94bc00871371c194eff07a28172_JaffaCakes118.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2372

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    4
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp5CB.tmp
      Filesize

      1KB

      MD5

      14086f54b9a0dfa99c0dcaef99c36a8e

      SHA1

      79ae0b730325ed005ced317aed880b3a455c17e7

      SHA256

      1ff7e7fff8007ccdbc4604dffeec3829472855d0d0b88ace0109897e97f5670d

      SHA512

      97c940e7c22b2b3d727df0af5430427c3cb1a1ebfa70a09b1099053d755524ab5143b68d0034bc9867bc8db1e06c53ec0e449a44fa614531e38f0960d18e33a1

    • memory/2156-0-0x0000000000BE0000-0x0000000000C50000-memory.dmp
      Filesize

      448KB

    • memory/2156-1-0x0000000074BA0000-0x000000007528E000-memory.dmp
      Filesize

      6.9MB

    • memory/2156-2-0x0000000004D10000-0x0000000004D50000-memory.dmp
      Filesize

      256KB

    • memory/2156-3-0x0000000000410000-0x0000000000418000-memory.dmp
      Filesize

      32KB

    • memory/2156-4-0x0000000074BA0000-0x000000007528E000-memory.dmp
      Filesize

      6.9MB

    • memory/2156-5-0x0000000004D10000-0x0000000004D50000-memory.dmp
      Filesize

      256KB

    • memory/2156-6-0x0000000004C40000-0x0000000004CC2000-memory.dmp
      Filesize

      520KB

    • memory/2156-7-0x00000000042A0000-0x00000000042DC000-memory.dmp
      Filesize

      240KB

    • memory/2156-27-0x0000000074BA0000-0x000000007528E000-memory.dmp
      Filesize

      6.9MB

    • memory/2372-14-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2372-16-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2372-13-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2372-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2372-20-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2372-24-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2372-22-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2372-25-0x0000000074BA0000-0x000000007528E000-memory.dmp
      Filesize

      6.9MB

    • memory/2372-26-0x0000000000B30000-0x0000000000B70000-memory.dmp
      Filesize

      256KB

    • memory/2372-11-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2372-28-0x0000000074BA0000-0x000000007528E000-memory.dmp
      Filesize

      6.9MB

    • memory/2372-29-0x0000000000B30000-0x0000000000B70000-memory.dmp
      Filesize

      256KB

    • memory/2372-30-0x0000000000B30000-0x0000000000B70000-memory.dmp
      Filesize

      256KB