Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2024, 19:23

General

  • Target

    bcde94ed4e934d908c4a493dfc156479_JaffaCakes118.exe

  • Size

    100KB

  • MD5

    bcde94ed4e934d908c4a493dfc156479

  • SHA1

    6ca1d92439c34c4d2379b580a62bb42aba1aad4c

  • SHA256

    bfdf9f9ad699fe7fbc729805c2599c248a9a4dadd88456685426bfd78b824bf8

  • SHA512

    ea0b27b73ca0b6d8fc834e1be430210965835381c29d599f54a23f6c257dc8b251897ab0fed11074857ca6034914cae9ef4330a5aa32a4f6bfebab968166e5e3

  • SSDEEP

    1536:Fts8iAuismywsbUgLw0wF9MGM9K/oKtNgCMbA1bL3N+NM5UfpNIjnZzb:gQg/KLOM5iCnBb

Malware Config

Signatures

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\bcde94ed4e934d908c4a493dfc156479_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bcde94ed4e934d908c4a493dfc156479_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:3316
    • C:\Users\Admin\tocog.exe
      "C:\Users\Admin\tocog.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:456
  • 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=4180,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4608 /prefetch:8
    1⤵
      PID:2748

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\tocog.exe

      Filesize

      100KB

      MD5

      6b8480ddd58fd5c2ed76bd51ae962cb5

      SHA1

      d8a1c42d937679dc78bf53e9aaf10a494b1c791a

      SHA256

      e197dee9be32c5aa89e1ff74a8b2561247a86d3f1a9c86b3b466473a0500665f

      SHA512

      5f1c91937e5a29c1690ffaaf234c1d8dff3047b18df44fc40b862c9ac93990bd0680e2525f8d319bfea65812a5cafec5cb44d1960fc0a58f806412a6f182771b