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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/09/2024, 17:59

General

  • Target

    dcc24182a99a0e830c43e1424107ff71_JaffaCakes118.exe

  • Size

    132KB

  • MD5

    dcc24182a99a0e830c43e1424107ff71

  • SHA1

    bbce457bad1830cbd9a7831c5913b2963b2a2d90

  • SHA256

    04ef89a6f03b40bf405c5877142f37be2708d7e68cf2abddbb71a4e3615e9528

  • SHA512

    378b21791f98b15be9fe110a5746152f0151c6369868eb1e9f70d1952494b19697bbde6943ee2d3941e621ad32f0c8835f551a1c07ea7b3dacdce3a248f09c5b

  • SSDEEP

    3072:w3k/bPrdVfWM8RM/8KmwBErXXFefQmD8ampjIiw7+:f/fX8/KmwBEjXFeos8aCUiwS

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 53 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\dcc24182a99a0e830c43e1424107ff71_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dcc24182a99a0e830c43e1424107ff71_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:4416
    • C:\Users\Admin\heeuna.exe
      "C:\Users\Admin\heeuna.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:1828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\heeuna.exe

    Filesize

    132KB

    MD5

    7f2e5888a399fdc8e3805da14deb8dbf

    SHA1

    682d46638e492a1e2d872686a641ecca02787f7f

    SHA256

    23a725f75c49a2e7f0bda796dde5cc7f7512d5f37333181f136f106882ae5cab

    SHA512

    2c4dc2b588eaa14054469794ad83e5acfbf6d1a7c74b3284e83d7995b7fadb72466684ea4f9dddbcc67b39d7582a9785945883c50b9094a4ce88db3a81371ab5