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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/06/2024, 01:41

General

  • Target

    143aa280a68985cb3717c231a5b65797_JaffaCakes118.dll

  • Size

    320KB

  • MD5

    143aa280a68985cb3717c231a5b65797

  • SHA1

    570114450d081af9aa32a3a67da00857bb8948c4

  • SHA256

    982b57b767c9429a774e83f9cfde6580a94e8c3f23f174bbcfd2f47fd49f934c

  • SHA512

    ea8df978989852cea8510e799cf9ca9016acfba9a58bb0a72e352eaf1e93d12dba2dca4e5b82cff268736cd3f81978ef39214451e4c4d4dfe59aded12227be0f

  • SSDEEP

    1536:tFsIMnoeoYPgEHZwgY7y9JPfH371DRjCLvYlwurfiCVMQJ2aNRf5BvV:L+JJgEHTXPfHzj9lwwMsRvvV

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\143aa280a68985cb3717c231a5b65797_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4912
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\143aa280a68985cb3717c231a5b65797_JaffaCakes118.dll,#1
      2⤵
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3420
      • 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:2132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\oficx.dll

    Filesize

    320KB

    MD5

    143aa280a68985cb3717c231a5b65797

    SHA1

    570114450d081af9aa32a3a67da00857bb8948c4

    SHA256

    982b57b767c9429a774e83f9cfde6580a94e8c3f23f174bbcfd2f47fd49f934c

    SHA512

    ea8df978989852cea8510e799cf9ca9016acfba9a58bb0a72e352eaf1e93d12dba2dca4e5b82cff268736cd3f81978ef39214451e4c4d4dfe59aded12227be0f

  • memory/2132-5-0x0000000010000000-0x0000000010050000-memory.dmp

    Filesize

    320KB

  • memory/2132-7-0x0000000010000000-0x0000000010050000-memory.dmp

    Filesize

    320KB

  • memory/3420-0-0x0000000010000000-0x0000000010050000-memory.dmp

    Filesize

    320KB

  • memory/3420-6-0x0000000010000000-0x0000000010050000-memory.dmp

    Filesize

    320KB