Analysis

  • max time kernel
    133s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-08-2024 00:01

General

  • Target

    a0707025318fb3fe70a6d975a7efe219_JaffaCakes118.exe

  • Size

    1.7MB

  • MD5

    a0707025318fb3fe70a6d975a7efe219

  • SHA1

    70cba3b100147dd15304e811de6812a3442688d1

  • SHA256

    1af19d08060151f4ec9e9b7784b6c75355f73469276efdc6500d4e45a3dc607f

  • SHA512

    65abcaf9b5a0801bc583e794a0104fe21d5261679c284060f0d3d73617371b1bd2755f0d1ffc8062b0ed812a20aedf380c4373d69405a097c92c5ed2b7e95fb0

  • SSDEEP

    24576:eMFYGY9+9d/G7P9lkQ/exnzGn4dLsUvqkaT+0BpCCh+PDedNdUhZuIBWcVAXf:KN26FOnzGn6LJvqkwnpC+mWd6uIccVa

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a0707025318fb3fe70a6d975a7efe219_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a0707025318fb3fe70a6d975a7efe219_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
      "C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe" __IRAOFF:1741682 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\a0707025318fb3fe70a6d975a7efe219_JaffaCakes118.exe" "__IRCT:3" "__IRTSS:0" "__IRSID:S-1-5-21-355097885-2402257403-2971294179-1000"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe

    Filesize

    1.3MB

    MD5

    dec931e86140139380ea0df57cd132b6

    SHA1

    b717fd548382064189c16cb94dda28b1967a5712

    SHA256

    5ffd4b20dccfb84c8890abdb780184a7651e760aefba4ab0c6fba5b2a81f97d9

    SHA512

    14d594e88c4a1f0ec8bc1b4fe2d66e26358f907b1106c047ada35d500ca9e608f1ce5a57599453cf10f11f4d9f1948ced9056ce8bd944b16eca7e9b83e8b27af

  • C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\lua5.1.dll

    Filesize

    318KB

    MD5

    b5fc476c1bf08d5161346cc7dd4cb0ba

    SHA1

    280fac9cf711d93c95f6b80ac97d89cf5853c096

    SHA256

    12cb9b8f59c00ef40ea8f28bfc59a29f12dc28332bf44b1a5d8d6a8823365650

    SHA512

    17fa97f399287b941e958d2d42fe6adb62700b01d9dbe0c824604e8e06d903b330f9d7d8ffb109bfb7f6742f46e7e9cedad6981f0d94d629b8402d0a0174f697

  • memory/1088-14-0x0000000000400000-0x00000000007CB000-memory.dmp

    Filesize

    3.8MB

  • memory/1088-29-0x0000000000400000-0x00000000007CB000-memory.dmp

    Filesize

    3.8MB