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Analysis

  • max time kernel
    133s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/05/2024, 01:26

General

  • Target

    7b3b71e4e4b95a12b3037ddb0b83e0d2_JaffaCakes118.exe

  • Size

    595KB

  • MD5

    7b3b71e4e4b95a12b3037ddb0b83e0d2

  • SHA1

    a9117b3384ffec76eececa0fb42960bcfe2c486a

  • SHA256

    6aff16913982445a392df4715e180c3d210ba2b4574c2bfffeb68c4f96a252e4

  • SHA512

    522987d151e6a524b1c6dd956d3012fca89e3969155b8683138c323c4e52c73721755ad1cc5f63bfff94fcb79cf16c99049749ca7e4f574b9fb86a9762eee432

  • SSDEEP

    12288:6Mvkq4KPNYB7lAY0jU8CJ/ysWQhSrhQFn8QPXx2El:6MvkUlYydK0s0rhQFnHPXA

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla payload 15 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b3b71e4e4b95a12b3037ddb0b83e0d2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7b3b71e4e4b95a12b3037ddb0b83e0d2_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1704
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3812,i,13640054265074968359,8146127767143474550,262144 --variations-seed-version --mojo-platform-channel-handle=1032 /prefetch:8
    1⤵
      PID:4068

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1460-29-0x0000000074620000-0x0000000074BD1000-memory.dmp

      Filesize

      5.7MB

    • memory/1460-1-0x0000000074620000-0x0000000074BD1000-memory.dmp

      Filesize

      5.7MB

    • memory/1460-2-0x0000000074620000-0x0000000074BD1000-memory.dmp

      Filesize

      5.7MB

    • memory/1460-3-0x0000000074620000-0x0000000074BD1000-memory.dmp

      Filesize

      5.7MB

    • memory/1460-4-0x0000000074622000-0x0000000074623000-memory.dmp

      Filesize

      4KB

    • memory/1460-5-0x0000000074620000-0x0000000074BD1000-memory.dmp

      Filesize

      5.7MB

    • memory/1460-0-0x0000000074622000-0x0000000074623000-memory.dmp

      Filesize

      4KB

    • memory/1704-26-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/1704-17-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/1704-14-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/1704-28-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/1704-31-0x0000000074620000-0x0000000074BD1000-memory.dmp

      Filesize

      5.7MB

    • memory/1704-6-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/1704-25-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/1704-23-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/1704-19-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/1704-30-0x0000000074620000-0x0000000074BD1000-memory.dmp

      Filesize

      5.7MB

    • memory/1704-16-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/1704-13-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/1704-12-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/1704-11-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/1704-10-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/1704-9-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/1704-20-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/1704-33-0x0000000074620000-0x0000000074BD1000-memory.dmp

      Filesize

      5.7MB