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Analysis

  • max time kernel
    93s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 10:41

General

  • Target

    39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe

  • Size

    62KB

  • MD5

    39936d1fe40b5fa4134438e5c890ef05

  • SHA1

    70cebef1fb03b6a03578c3c906673e1348411401

  • SHA256

    db74fe0a6dc70ce17e14bdb61eac0ef49f56877e93efdf785d31474181ba0f45

  • SHA512

    a1fefb97fb7a2340627cda06cf795b5b8a2b5b96d7ffaa96ab8be641d20ba9b61adfeb5cb033e5a44953df214561f7d29f92465bfd98adb55801ebf26f8292d9

  • SSDEEP

    1536:GGPegsVpDKNSf+owoS9Po8TwYwMPtd/BqDIkp:xdCpKM+oGBbw6td/BWv

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • UPX packed file 2 IoCs

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

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:224
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\Nkb..bat" > nul 2> nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Nkb..bat

    Filesize

    238B

    MD5

    b22dc1dd5ac298a8d82b0f177fc06541

    SHA1

    1130bbd0a7a04b6d764ce35cc9576f20d4a9841f

    SHA256

    e95105121358952967cb5167504fa3237ccc8218731901b064b89eccb0e06163

    SHA512

    386940312d19f14dbac2771d3c08be57160a8ce20edcf4315a36dac46da5b9f5ffd5c528c906f5158f9453f2d1871262465a23e486f4de3b814e2c7ad971dbd6

  • memory/224-0-0x00000000004C0000-0x00000000004C5000-memory.dmp

    Filesize

    20KB

  • memory/224-1-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/224-3-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB