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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2024, 16:36

General

  • Target

    068dfa0b85d6cdcc36d35747aab49cbc_JaffaCakes118.dll

  • Size

    236KB

  • MD5

    068dfa0b85d6cdcc36d35747aab49cbc

  • SHA1

    f20249b962737c1a3587fca57fc5b219ba31666d

  • SHA256

    6570c46962ece4c396a3f85f3dc5904ac65b8045afe87e3c0f882b6896da1d24

  • SHA512

    74ce0d2f5b5184468e979c93e44a998bf58364a05cec6a87feab72c4ed0a6153826521df2548c2a361bd69fe3e21fff404d680cf135bba4058ccb4ba8868abdc

  • SSDEEP

    1536:1dKaTHN2ymZ0ofa5uQm4V7HG8ldINh+RhFtFftCgpcGO5lPf/XG8GmGwktbJ:1Y4tIQG8XAmbFfaGc1fawk1J

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 4 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.

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\068dfa0b85d6cdcc36d35747aab49cbc_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\068dfa0b85d6cdcc36d35747aab49cbc_JaffaCakes118.dll,#1
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:5116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\hycpcdu.dll

    Filesize

    478KB

    MD5

    e99416267b61f52fa5ab994019efd359

    SHA1

    86d31eae707db7fe51d2556394fcf0e8e9f6b0fd

    SHA256

    768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774

    SHA512

    0a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae

  • memory/5116-0-0x0000000000401000-0x0000000000408000-memory.dmp

    Filesize

    28KB

  • memory/5116-10-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/5116-9-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/5116-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB