Analysis

  • max time kernel
    31s
  • max time network
    43s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-10-2024 23:34

Errors

Reason
Machine shutdown

General

  • Target

    1a4d0f0002036b4c77841100a8e05f46_JaffaCakes118.exe

  • Size

    61KB

  • MD5

    1a4d0f0002036b4c77841100a8e05f46

  • SHA1

    a9733fe6b29bfa2aed64a4fc0d9eef7083252b84

  • SHA256

    dc464ff6c0a7512b6c2582f1539176f1eb409e603fecde8a3eb19661eaffe60d

  • SHA512

    7c2a166c5032b83cce37e007c380805f8f90f8fa0b35958c44b8cad349f61dabd8fe3d8f811a4e6fe33f09887401d4d0965eec4f3eb4237ea1d3af4c2e8d7ea5

  • SSDEEP

    768:BKsMqCXfVcWlQM9ZkiANIULTYLDwUzc80gmq3oP/oDE:BKseSM9ZkiAPgr/0O8/oo

Malware Config

Signatures

  • Renames multiple (90) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 3 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a4d0f0002036b4c77841100a8e05f46_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1a4d0f0002036b4c77841100a8e05f46_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:704
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4088
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/704-0-0x000000007521E000-0x000000007521F000-memory.dmp

    Filesize

    4KB

  • memory/704-1-0x0000000000550000-0x0000000000566000-memory.dmp

    Filesize

    88KB

  • memory/704-2-0x00000000053C0000-0x0000000005964000-memory.dmp

    Filesize

    5.6MB

  • memory/704-3-0x0000000004F10000-0x0000000004FA2000-memory.dmp

    Filesize

    584KB

  • memory/704-4-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/704-24-0x000000007521E000-0x000000007521F000-memory.dmp

    Filesize

    4KB

  • memory/704-30-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB