Analysis

  • max time kernel
    150s
  • 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
    12/08/2024, 01:39

General

  • Target

    8cceafc95012aa2f3557e8687efbf39e_JaffaCakes118.exe

  • Size

    62KB

  • MD5

    8cceafc95012aa2f3557e8687efbf39e

  • SHA1

    2a04446f685ee9f82fda72c6acecb23908d46511

  • SHA256

    111820ff089386b54df6182d7e0b4fe34c6f50deddc727102f2c4be3ddf1b24e

  • SHA512

    adac7e638108b88fa1918467e71b3aa9c9f35c3e4f976c12153867bd70086c1d4840e51da8c25e46f8735ecd0aab45b44126ec00be5891a5fbf9804888da2a70

  • SSDEEP

    768:BMCnop+6bFTgg3lfIoVDOZR7wxPoLVaZ62hS2QG+jfkeIJ5+3DmmZaB3ocFEByQ:hd6hEirOZhv0ZZlQG+jnIJ5+zHeocFE1

Malware Config

Extracted

Family

metasploit

Version

encoder/fnstenv_mov

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8cceafc95012aa2f3557e8687efbf39e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8cceafc95012aa2f3557e8687efbf39e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3316
    • C:\Users\Admin\AppData\Local\Temp\svc.exe
      C:\Users\Admin\AppData\Local\Temp\svc.exe
      2⤵
      • Executes dropped EXE
      • Impair Defenses: Safe Mode Boot
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1536
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\8CCEAF~1.EXE" >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1208
  • 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=4400,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=3864 /prefetch:8
    1⤵
      PID:1088

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\svc.exe

      Filesize

      62KB

      MD5

      8cceafc95012aa2f3557e8687efbf39e

      SHA1

      2a04446f685ee9f82fda72c6acecb23908d46511

      SHA256

      111820ff089386b54df6182d7e0b4fe34c6f50deddc727102f2c4be3ddf1b24e

      SHA512

      adac7e638108b88fa1918467e71b3aa9c9f35c3e4f976c12153867bd70086c1d4840e51da8c25e46f8735ecd0aab45b44126ec00be5891a5fbf9804888da2a70

    • memory/1536-8-0x00000000004C0000-0x00000000004C2000-memory.dmp

      Filesize

      8KB

    • memory/1536-7-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1536-15-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3316-0-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3316-1-0x0000000000500000-0x0000000000502000-memory.dmp

      Filesize

      8KB

    • memory/3316-10-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB