Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-08-2024 11:05

General

  • Target

    b338637b8ebc13fa814c8e07734da7eb_JaffaCakes118.exe

  • Size

    120KB

  • MD5

    b338637b8ebc13fa814c8e07734da7eb

  • SHA1

    4294fa1e7d35062480a3566e8f81d94dbd25593d

  • SHA256

    c92f6b57d1434162e3d75522b0469271333ad1d474c455f405125eccf4930789

  • SHA512

    dfe7287af1b885b4d40a48bf802010f18958fe0f6fd99d0f055a0ce7ee62b0c90f5a2d80c9acb79bc1e7125fa91b63ba0dd14e084ac9c2812d185d996c6edba3

  • SSDEEP

    768:bUrdbLYRnc/XOXVLW2qZ1RisVDaWGNMMMNMUF7//mk8KacrZxbjARZO+d1PK:AVscvwNWhZ1X7//mkjZxbURZO+d5

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 52 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b338637b8ebc13fa814c8e07734da7eb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b338637b8ebc13fa814c8e07734da7eb_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:100
    • C:\Users\Admin\hagan.exe
      "C:\Users\Admin\hagan.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\hagan.exe

    Filesize

    120KB

    MD5

    a10cccbba3d5fb2370e0643fe4caa642

    SHA1

    49f0d166243426b1aedc96f680f9cef2445ca758

    SHA256

    638bbbdba3dcdbcb27213485e1adc916218d6bf71150c9cd792510d074df4be5

    SHA512

    7b8465418abd7e5d4824018b6e0aee2903d59f56597672d8acdd45b339644c8c54eb65bbabbe981e5ed11714bd0b22b8c58ccb6107f073182ca5e401683d1c35

  • memory/100-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/100-37-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4636-33-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4636-38-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB