Analysis

  • max time kernel
    144s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-08-2024 00:23

General

  • Target

    a0820167ffa3f052d8dbdc2bb3713c61_JaffaCakes118.exe

  • Size

    40KB

  • MD5

    a0820167ffa3f052d8dbdc2bb3713c61

  • SHA1

    eb62daaf9bcea18d892addea9544f09c1cdd1c13

  • SHA256

    392e1bfa67ef23b08a7b87c71715e5518b7b1c4fbca5a5589fd2f01a6bd7af0e

  • SHA512

    9bc4ac9d1c2a514f782c02925cd8e8c7c0b2102c0f39b90eb2af271e9e329188de488aaf14a6a81b047ec40db7257f993e7a79fd688771276ac0f742f9a90eb0

  • SSDEEP

    768:6l3JY6niPHsK6qQ8qObFo+zIXX+YAS41XTpHvO4bs1QP+:6l3Tni0KKBObFlP1XT5Ox1QP+

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3576
      • C:\Users\Admin\AppData\Local\Temp\a0820167ffa3f052d8dbdc2bb3713c61_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\a0820167ffa3f052d8dbdc2bb3713c61_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3980
        • C:\Users\Admin\AppData\Local\Temp\a0820167ffa3f052d8dbdc2bb3713c61_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\a0820167ffa3f052d8dbdc2bb3713c61_JaffaCakes118.exe"
          3⤵
          • Adds Run key to start application
          • Modifies WinLogon
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1768
    • 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=2460,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=4452 /prefetch:8
      1⤵
        PID:2104

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1768-0-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/1768-4-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/1768-3-0x0000000000400000-0x0000000000405000-memory.dmp

        Filesize

        20KB