Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2024, 16:10

General

  • Target

    4a6ace94e4da628d75d1d402717cffde_JaffaCakes118.dll

  • Size

    26KB

  • MD5

    4a6ace94e4da628d75d1d402717cffde

  • SHA1

    3f84a16d67399ab1e63c183ee7dc61e81c249494

  • SHA256

    2d710346beb9fb4e7b7cce4172fbb031e172a2473ac997b2f8af9fa1c1f3432a

  • SHA512

    e2df57ddd0b69d420469393a140490e704b836929e5091fd0c113db41059bef4968d8556ab5212b70c3e7564974c8ddb303529de467757abae69dec3e0609078

  • SSDEEP

    768:Qdh9fQUpt79DTowgzkKPK6QOWVTnSlmg1wUulxC/3ESrDvL:soUpzDTo1Q+UtSMuuloPESrDvL

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4a6ace94e4da628d75d1d402717cffde_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4a6ace94e4da628d75d1d402717cffde_JaffaCakes118.dll,#1
      2⤵
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1384
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32 "C:\Windows\oficx.dll",_RunAs@16
        3⤵
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Access Token Manipulation: Create Process with Token
        • Suspicious behavior: EnumeratesProcesses
        PID:2360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\oficx.dll

    Filesize

    26KB

    MD5

    4a6ace94e4da628d75d1d402717cffde

    SHA1

    3f84a16d67399ab1e63c183ee7dc61e81c249494

    SHA256

    2d710346beb9fb4e7b7cce4172fbb031e172a2473ac997b2f8af9fa1c1f3432a

    SHA512

    e2df57ddd0b69d420469393a140490e704b836929e5091fd0c113db41059bef4968d8556ab5212b70c3e7564974c8ddb303529de467757abae69dec3e0609078

  • memory/1384-0-0x0000000010000000-0x000000001004F000-memory.dmp

    Filesize

    316KB

  • memory/1384-6-0x0000000010000000-0x000000001004F000-memory.dmp

    Filesize

    316KB

  • memory/2360-5-0x0000000010000000-0x000000001004F000-memory.dmp

    Filesize

    316KB

  • memory/2360-7-0x0000000010000000-0x000000001004F000-memory.dmp

    Filesize

    316KB