Overview

overview

10

Static

static

3

dcfba720c6...18.exe

windows7-x64

10

dcfba720c6...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    144s
  • 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, 20:18

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General

  • Target

    dcfba720c60ef37c76c18f2a67cb8ab3_JaffaCakes118.exe

  • Size

    188KB

  • MD5

    dcfba720c60ef37c76c18f2a67cb8ab3

  • SHA1

    c1019050df281cdbcd59af7956887af85c6318bb

  • SHA256

    7a04668e1b34df2df9c377fff3766f8b334b73414daa46a0d142e259f0b429a3

  • SHA512

    4e0b3fd86a5a595a253495ef657b1e111b4f4a4555f80d60f5967bc1cbbf20212dd55c68f9df12adcc949f70fd15c9c7e3779260cecfb90596897089cc58dee1

  • SSDEEP

    3072:mj4iOtcQqQ7b4zxMJsSmJ6nTQFlKRilqoq6v/:l1/qM4zk0cqfMot

Score
10/10
discoveryevasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • 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
    persistence
  • 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dcfba720c60ef37c76c18f2a67cb8ab3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dcfba720c60ef37c76c18f2a67cb8ab3_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:4112
    • C:\Users\Admin\heajow.exe
      "C:\Users\Admin\heajow.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:548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\heajow.exe
    Filesize

    188KB

    MD5

    bb1a4f8c0e413dc1029cc6526ac696ab

    SHA1

    50787d142c25e26691bb6f1e7bf3d8d2fc9518ce

    SHA256

    3bbeb5466562bccc67dab2e9876a4008cdcd4b38ebb403619d0d776f017fa822

    SHA512

    250799b99d7db07c02d9295048a2b172f8be8fc5561916ade72b2f81e102786176dde88afaacedd8441a0acbd3c8c26f9eac501883b89e9d3c17ed2e6844a3e1

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