Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 03:32

General

  • Target

    0447e7da9e7d3a43f449156f14fa5f3e_JaffaCakes118.exe

  • Size

    351KB

  • MD5

    0447e7da9e7d3a43f449156f14fa5f3e

  • SHA1

    99a6d88b4a300fbfb232be03698e6ab602ccf8a4

  • SHA256

    5da62939200c1b046ee82763ff08bc1236f1168165379838c606c91ad2e14329

  • SHA512

    a7474f48cf062588ef47bbf8135944fde7669f251baf2fa881dc6b4d1f17f0541c5d10c504603ec836ef441569505a1b51b02ada3b90e245c68839e2ca5e627a

  • SSDEEP

    6144:ZafsiuvAQ+tTm6cyERSiytj71cWE4jKS6v9bO+Y:OCvAQ+q6ctRt636WfjOl

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0447e7da9e7d3a43f449156f14fa5f3e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0447e7da9e7d3a43f449156f14fa5f3e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Program Files (x86)\win\msn.exe
      "C:\Program Files (x86)\win\msn.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Modifies Internet Explorer settings
      PID:2308
  • 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 --no-appcompat-clear --mojo-platform-channel-handle=4232 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3312

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\win\msn.exe
      Filesize

      351KB

      MD5

      0447e7da9e7d3a43f449156f14fa5f3e

      SHA1

      99a6d88b4a300fbfb232be03698e6ab602ccf8a4

      SHA256

      5da62939200c1b046ee82763ff08bc1236f1168165379838c606c91ad2e14329

      SHA512

      a7474f48cf062588ef47bbf8135944fde7669f251baf2fa881dc6b4d1f17f0541c5d10c504603ec836ef441569505a1b51b02ada3b90e245c68839e2ca5e627a

    • memory/2308-13-0x0000000000400000-0x00000000004B3000-memory.dmp
      Filesize

      716KB

    • memory/2468-0-0x0000000000400000-0x00000000004B3000-memory.dmp
      Filesize

      716KB

    • memory/2468-1-0x0000000000400000-0x00000000004B3000-memory.dmp
      Filesize

      716KB

    • memory/2468-9-0x0000000000400000-0x00000000004B3000-memory.dmp
      Filesize

      716KB

    • memory/2468-12-0x0000000000400000-0x00000000004B3000-memory.dmp
      Filesize

      716KB