Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/05/2024, 15:17

General

  • Target

    353a8c8566d446f61f1c6fbefeba6f0b_JaffaCakes118.exe

  • Size

    518KB

  • MD5

    353a8c8566d446f61f1c6fbefeba6f0b

  • SHA1

    8b2b234070d271456601351b9d632d89888ddf66

  • SHA256

    25ba78deff2d36cec3251c473ce4d2b9e379b9b926e7c02215fc19886b548384

  • SHA512

    7140d3343b751c71bf0624485307dcc9690e95204ce597297486b6b21b470c1af7b1c2b2af345532c67b2d3080cf86d2f14bf1f66ce60f97915ab0f191f4d5c7

  • SSDEEP

    6144:coCQOUVXSV1xwpnySZBhvYSNaDsHHi4X/Zbbs:coW37wxySiwH

Malware Config

Signatures

  • AgentTesla

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\353a8c8566d446f61f1c6fbefeba6f0b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\353a8c8566d446f61f1c6fbefeba6f0b_JaffaCakes118.exe"
    1⤵
    • 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:5064
  • 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 --mojo-platform-channel-handle=3684 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4988

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/5064-0-0x0000000074F82000-0x0000000074F83000-memory.dmp

      Filesize

      4KB

    • memory/5064-1-0x0000000074F80000-0x0000000075531000-memory.dmp

      Filesize

      5.7MB

    • memory/5064-2-0x0000000074F80000-0x0000000075531000-memory.dmp

      Filesize

      5.7MB

    • memory/5064-3-0x0000000074F82000-0x0000000074F83000-memory.dmp

      Filesize

      4KB

    • memory/5064-4-0x0000000074F80000-0x0000000075531000-memory.dmp

      Filesize

      5.7MB

    • memory/5064-5-0x0000000074F80000-0x0000000075531000-memory.dmp

      Filesize

      5.7MB

    • memory/5064-6-0x0000000074F80000-0x0000000075531000-memory.dmp

      Filesize

      5.7MB

    • memory/5064-7-0x0000000074F80000-0x0000000075531000-memory.dmp

      Filesize

      5.7MB

    • memory/5064-9-0x0000000074F80000-0x0000000075531000-memory.dmp

      Filesize

      5.7MB

    • memory/5064-10-0x0000000074F80000-0x0000000075531000-memory.dmp

      Filesize

      5.7MB