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Analysis

  • max time kernel
    149s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2024, 04:28

General

  • Target

    11d5a0f847381c1908a983746d85abbe_JaffaCakes118.dll

  • Size

    26KB

  • MD5

    11d5a0f847381c1908a983746d85abbe

  • SHA1

    a501d5dd791a25868aeaf831d9a556a4c1d95f0e

  • SHA256

    d40cd384070b0972ece63d5d7ca0bf40499ba4c883b74dec522dec49e5d2af86

  • SHA512

    13b2a5018856f8cc40545e93ab8d31922ff1271f2cdd58cee79b10bbdca3199db79cc15458080ac87eb0dcdf2e905cefba771f7559dba12de0434678e1cb25b2

  • SSDEEP

    384:otY/shYtBBblC1VRWPyOxtz41XLnQpKsKhPM7aG3oAVNUtLL:ewsitBd81VRWqOxcLn7NS6YNcL

Malware Config

Signatures

  • Modifies WinLogon 2 TTPs 8 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\11d5a0f847381c1908a983746d85abbe_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\11d5a0f847381c1908a983746d85abbe_JaffaCakes118.dll,#1
      2⤵
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      PID:3108
  • 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=4768,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=948 /prefetch:8
    1⤵
      PID:2896

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3108-0-0x0000000010000000-0x0000000010015000-memory.dmp

      Filesize

      84KB

    • memory/3108-1-0x0000000010000000-0x0000000010015000-memory.dmp

      Filesize

      84KB