Analysis

  • max time kernel
    140s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-08-2024 13:15

General

  • Target

    8631e2b954a9d520110897521452a391_JaffaCakes118.dll

  • Size

    23KB

  • MD5

    8631e2b954a9d520110897521452a391

  • SHA1

    d3e4f2f17a279c8ba4376093edbd30b648962faa

  • SHA256

    f0c6c67f480125be15719b9a3ac3fcec8f353be7ecc50d2ef85b4cf9b3ab16fa

  • SHA512

    b09c77ae2310d6c788effc35f9ad682cf6f2a6e3b1d087b43461e0c624d9b07a9e6e713b70593ee2d7160fb4b0e9106bfc195d041d93785cc7faf81f14cfe885

  • SSDEEP

    384:XtWCvqqLCyMzcwKEhJkA/bP8mKaO4yALMLAIDW1dEfnmnMXkZyN9oGNVx:QGq4Cx5KEc+bP8mKUxILbKvEfnvmFGP

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 2 IoCs
  • Program crash 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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8631e2b954a9d520110897521452a391_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8631e2b954a9d520110897521452a391_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3360
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3360 -s 648
        3⤵
        • Program crash
        PID:1568
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3360 -ip 3360
    1⤵
      PID:2760
    • 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=4616,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=1008 /prefetch:8
      1⤵
        PID:1072

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3360-1-0x0000000001240000-0x0000000001242000-memory.dmp

        Filesize

        8KB

      • memory/3360-0-0x0000000010040000-0x0000000010053000-memory.dmp

        Filesize

        76KB

      • memory/3360-3-0x0000000010040000-0x0000000010053000-memory.dmp

        Filesize

        76KB