Overview

overview

10

Static

static

3

fa9630a92d...18.exe

windows7-x64

10

fa9630a92d...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2024, 14:39

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General

  • Target

    fa9630a92d6fe5793c1bd4108fbe69e0_JaffaCakes118.exe

  • Size

    172KB

  • MD5

    fa9630a92d6fe5793c1bd4108fbe69e0

  • SHA1

    e90c273be96ac5a86bec5e623c8decfbff5ef2b6

  • SHA256

    3099b9b76694dc4e239af592aeccbd61916d06ef26b867270fd2f48b5c2afee7

  • SHA512

    69b7da2928baf9915afb00be8fd90bbdf698ba0fd1ef0c1173face34a5baa53b749c01297570a12a4755771a6856f3e4d101e9ce1706cae358f8ef2c82d05c0d

  • SSDEEP

    3072:8uFYk4kXsggdXoszSIRkaRenJ9HVNa3j2VA8TWHjKZwzX3RfyY3WRv3E3i5:8irXTgdXoszSIRkaRenJ9HVNm2VA8TWY

Score
10/10
discoveryevasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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\fa9630a92d6fe5793c1bd4108fbe69e0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fa9630a92d6fe5793c1bd4108fbe69e0_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1408
    • C:\Users\Admin\guuubi.exe
      "C:\Users\Admin\guuubi.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:3392
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4444,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:8
    1⤵
      PID:3408

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      172KB

      MD5

      3975332322e15b5a625847bb052cfe6c

      SHA1

      59f52214b44c10d2d334a63efabf54eb0223999f

      SHA256

      aa24227bfbda5db0486eabc1f3385d6387643b7d49d0bf4a8e9789b54c56ac3f

      SHA512

      9ace560ec1f9ca6cb0204f03dfd42a21c79e4d555082649602536e322350f6334b2d8db61903ea574ac70ca2c4ed40d085b34bf1b95522743891ad307c3dc495

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