Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 15:01

General

  • Target

    f644ebe83a76214c28e008f7dfc28dae_JaffaCakes118.exe

  • Size

    136KB

  • MD5

    f644ebe83a76214c28e008f7dfc28dae

  • SHA1

    c621d0877db016eae1d4a7612d3fe00999c28182

  • SHA256

    7815cfef268fe2b992f875411d6d07eeb562293b292deeea64e0e14021e99ce1

  • SHA512

    9f2bfcfac93cc180387cddde8a0ec197e9edbaaf83afd0eac18e9119f6a26800cc53882f7035d833fb15b3f87d23f1e8138a677d11336697510fe5ba027009ce

  • SSDEEP

    3072:mn9l1j+XEHA6FStNCpkWdHOYws7HzbcnpLbIkuRwc+xhiEl+2YC4bMkYIiqbqE:mn9l1MENeNCpkWdHOYws7HzbcnpLbIkL

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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f644ebe83a76214c28e008f7dfc28dae_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f644ebe83a76214c28e008f7dfc28dae_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4984
    • C:\Users\Admin\paolee.exe
      "C:\Users\Admin\paolee.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:2028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\paolee.exe

    Filesize

    136KB

    MD5

    27e0a8259e62940a4b27beefd2229f7e

    SHA1

    49d97bddb3d594796e3547d892c6a77ba771d457

    SHA256

    d59fac31a487a5f79468b4c50e2ed25366a7d969ca499d5862231ba249e6795b

    SHA512

    5f3d46156c2c3796461cc48e6a9ab3902ddbf695722c9000bae41bb61799d4ed56bb28205bc94340c42b080139a492f49fca2d481b3193afb1793e80ab44a987