Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    19/06/2024, 23:55

General

  • Target

    014a4e0f8b5d53c5fd19828160d71c20_JaffaCakes118.dll

  • Size

    321KB

  • MD5

    014a4e0f8b5d53c5fd19828160d71c20

  • SHA1

    b9bc8dd7ef8339deab56a744d2d789923b2d6407

  • SHA256

    d6038bac11bd880dcb7c28aeab4148c281cff4f2f0e5c0bd820a332932bab544

  • SHA512

    77c230ac73e7bf1c34fae9e0c33d695a146be8c4960d1a43ca75c9e4538fa327499a6ffee1b4091dda021f44fee23c4eb6e8956b091ee2ea6f18606c43cba91d

  • SSDEEP

    6144:Vha8l+W0ir/7cF3DXWSH3YIoH7ljQu7ynn/kVRA2GgFiorZTd6u4GJOP/lP5yhYh:L3f/K3KSH3Zob5Qgy/N9p256u4lhyhYh

Score
8/10

Malware Config

Signatures

  • Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs
  • Sets service image path in registry 2 TTPs 2 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Modifies data under HKEY_USERS 28 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\014a4e0f8b5d53c5fd19828160d71c20_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\014a4e0f8b5d53c5fd19828160d71c20_JaffaCakes118.dll
      2⤵
      • Server Software Component: Terminal Services DLL
      • Sets service image path in registry
      PID:1676
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k scbiywnd
    1⤵
    • Server Software Component: Terminal Services DLL
    • Sets service image path in registry
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    PID:2308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1676-0-0x0000000000A90000-0x0000000000B74000-memory.dmp

    Filesize

    912KB

  • memory/2308-1-0x0000000000640000-0x0000000000724000-memory.dmp

    Filesize

    912KB

  • memory/2308-2-0x0000000000120000-0x0000000000121000-memory.dmp

    Filesize

    4KB

  • memory/2308-3-0x0000000000640000-0x0000000000724000-memory.dmp

    Filesize

    912KB