Analysis

  • max time kernel
    7s
  • max time network
    8s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/07/2024, 06:26

Errors

Reason
Machine shutdown

General

  • Target

    380a6b8419a75a91b19b38e873bc5d2f_JaffaCakes118.exe

  • Size

    125KB

  • MD5

    380a6b8419a75a91b19b38e873bc5d2f

  • SHA1

    81999c808c9b0efb0cf15e7e966f88de3a5a6398

  • SHA256

    c5d2e2772b1b35843c9f574e226976b6c49fb885b5311c7e80aa773ebb0544ae

  • SHA512

    c752f709f0d274e2cfcba709a0be462a4917126e83f09370b4d5b913107c792ca37bb7d1cb9ed316730df3fad69aee78da300177b43e14bd70c7370e38fd2c78

  • SSDEEP

    3072:Zp03tqs8bSVtzFjwLU+FVIgdesVSs0qwfpvx:303FcSZjG4ls4Bfpvx

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 1 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\380a6b8419a75a91b19b38e873bc5d2f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\380a6b8419a75a91b19b38e873bc5d2f_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" "C:\1.reg"
      2⤵
      • Runs .reg file with regedit
      PID:4820
    • C:\Windows\SysWOW64\shutdown.exe
      "C:\Windows\System32\shutdown.exe" -r -f -t 0
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2760
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa39a5055 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:2824

Network

MITRE ATT&CK Enterprise v15

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