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Analysis

  • max time kernel
    149s
  • 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
    10/08/2024, 10:26

General

  • Target

    85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe

  • Size

    36KB

  • MD5

    85b6409e2d69f26730e436aaa0af1f3f

  • SHA1

    42282e388283c65733f52c78e81ca3fc11ababe3

  • SHA256

    928ddb9c9ff21bb503f4c9ea630fd11b235ca74d34219fc74531d62f20868c12

  • SHA512

    4206df12ca1268c12f9ba854f187258a0a951dd7ea86a574d167501d245f489fc0565e906bfee3ac285440a0c7af33451952c309a025bda9c23183b276510317

  • SSDEEP

    384:jhGsriCS7iW6MR3OBv6dL2GCrnqencV4pPzznZuPfn:Sc+NNL2nrnqen44lUf

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
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 3 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 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Windows\winlogon.exe
      "C:\Windows\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2944

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Windows\winlogon.exe

    Filesize

    36KB

    MD5

    85b6409e2d69f26730e436aaa0af1f3f

    SHA1

    42282e388283c65733f52c78e81ca3fc11ababe3

    SHA256

    928ddb9c9ff21bb503f4c9ea630fd11b235ca74d34219fc74531d62f20868c12

    SHA512

    4206df12ca1268c12f9ba854f187258a0a951dd7ea86a574d167501d245f489fc0565e906bfee3ac285440a0c7af33451952c309a025bda9c23183b276510317