Overview

overview

10

Static

static

3

c26bcfd1a0...18.exe

windows7-x64

10

c26bcfd1a0...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/08/2024, 06:05

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General

  • Target

    c26bcfd1a036cd48310206c54941d4fc_JaffaCakes118.exe

  • Size

    156KB

  • MD5

    c26bcfd1a036cd48310206c54941d4fc

  • SHA1

    87300c65b06c1bda09e02cf4a199b6b32d6db2f4

  • SHA256

    a4c0761f85eab92152e35350e78ca603074f789f8263f06223fa39e24598753d

  • SHA512

    408d749bbfa4d38dc98457787699f869c1251a1a9b7ca0a5b273a5e81c46afa8133dfde49a0f9c51241504a0ac74e9794584191cc5832190500706a5532b68f7

  • SSDEEP

    1536:1sYdImIRnWuBU8g5DGHPOGrwUbaxGAka+tHK9rCGaVkmwHnuqx8MOdzAbKQgRV8:1IRnWoaNUbaxqECGaVKHuqL6Abzo8

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 52 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\c26bcfd1a036cd48310206c54941d4fc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c26bcfd1a036cd48310206c54941d4fc_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:2552
    • C:\Users\Admin\jiray.exe
      "C:\Users\Admin\jiray.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:3548

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

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

          156KB

          MD5

          b358792be317d0594ac544af4354c4d9

          SHA1

          7333770eb690e09df3a69a74d8a6397a6e37ffe0

          SHA256

          d85f852e857166d95a2efae660e1a960f94c2f3b15f35bf59f7c041a4eb6b3fe

          SHA512

          f630ed641e0effa2efcd6af2b6077e497c4afb01e842bd555c5e9c3062677d66e84aa94876ac4b1211c73a08de7492fc3d3e6d37ca76b41218e4aeecc69b4ba6

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