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Overview

overview

10

Static

static

3

a9d8f5d66e...18.exe

windows7-x64

10

a9d8f5d66e...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/08/2024, 05:56

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General

  • Target

    a9d8f5d66e3c97134d1d83d92746aa1a_JaffaCakes118.exe

  • Size

    252KB

  • MD5

    a9d8f5d66e3c97134d1d83d92746aa1a

  • SHA1

    520b005194600ad83a4453656872558c39037c97

  • SHA256

    33291287bc4badfa5695d0c4cd49ffb1eec19f574e47818741d2ad7ed89d7a30

  • SHA512

    a936c0c331ca83b82c8de06490016a00d6040d68c43371e16043424603eefcaaa099fcd50850fd9ac662f8718085e82cdbf1bb8ff3d7553f788eedae4887eb46

  • SSDEEP

    6144:2Mml7FNnnPbuxN8b7giqR20NGNccko5Knvmb7/D26i02maSTOarRMJ:8l7FNnjuxN8cGNccko5Knvmb7/D26i0c

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 51 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\a9d8f5d66e3c97134d1d83d92746aa1a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a9d8f5d66e3c97134d1d83d92746aa1a_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:3984
    • C:\Users\Admin\jbpueb.exe
      "C:\Users\Admin\jbpueb.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:4536

Network

MITRE ATT&CK Enterprise v15

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Downloads

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

    252KB

    MD5

    6f83e6aa76da6e1b5fc2068c02195743

    SHA1

    020f4c80d182328f19e0006fd5b77919218a2b9e

    SHA256

    7be86797bea475a89346af96ba92d552c9c92474438cff76d64929b83e09228e

    SHA512

    717fa37da85753944095253d66edb9c68744435a3d7051d2a8c4b6291b384c7d581c94a22586cdd53592ba6a59776656ea0ea82f5fb47a55f05a5e336e647d10

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