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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/08/2024, 08:42

General

  • Target

    aa543f8e91c89565fe28d15f08e56b88_JaffaCakes118.exe

  • Size

    116KB

  • MD5

    aa543f8e91c89565fe28d15f08e56b88

  • SHA1

    40838ac9474ea6b052e231992d10f23260647de3

  • SHA256

    78764888a124779e5f110d907efb33155e61649b93101b220a86b2c8c49a04e0

  • SHA512

    e8f38539fc18de46e823669f3c4c84d9ef190f209a4ac23001d708eb8b702bc027f4ca39d561d26bfa43484297965bf80ebe523b5aefce8ce309a10258e11941

  • SSDEEP

    3072:NG5TmXUzZECOHMh4ZH9yU4INuhxaPzKggZGHT77:Nszzuns64d6aSKnGHT7

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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 50 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa543f8e91c89565fe28d15f08e56b88_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\aa543f8e91c89565fe28d15f08e56b88_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Users\Admin\lauvoj.exe
      "C:\Users\Admin\lauvoj.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
      PID:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\lauvoj.exe

    Filesize

    116KB

    MD5

    d27283cd022c631f78fbf9826067ce0a

    SHA1

    c78f0c31a0621e7785a413b9c713510930489ecb

    SHA256

    09b9d91c5f1c817f638215357ee9527ca01ec57aaeca9ad116bc18133863b9e1

    SHA512

    7ea432fa65ccb12108f7613d63e6dbea71a60664a2ef1be8b89bf384eba7296980927a52c45eb34b504d2648fc41ce9ae9bf5d7803e2a1798f4838579a029181