Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-06-2024 03:54

General

  • Target

    10a326b5129bb5555c17bcf24be84ed2_JaffaCakes118.dll

  • Size

    220KB

  • MD5

    10a326b5129bb5555c17bcf24be84ed2

  • SHA1

    bc9936d0271fde73718e35b9047116b112491c56

  • SHA256

    3a63d9c2f444d5e1676d113e1f4990dbb16065ea5eef628db756038040c2ac3a

  • SHA512

    4763eafbed3aab6de1b3155a3046e811342dc8dec0be7681379f382ce195bdab9cb34173e2350079d82ca1c252b4acfb6a22d611da55ebf5b06d2f45207237e6

  • SSDEEP

    3072:dgU1b4jxZTxLFgXr3LjJqo0Ktde/3Jvmc/BsCpCc9v/rRgoF3mwzi8EPELGNMe:Z4xhor79ts/3Jvmcqi9Leo5mRJELkR

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • UAC bypass 3 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\10a326b5129bb5555c17bcf24be84ed2_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2168
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\10a326b5129bb5555c17bcf24be84ed2_JaffaCakes118.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2432
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1276
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3052
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
          • Modifies WinLogon for persistence
          • UAC bypass
          • Checks BIOS information in registry
          • Drops startup file
          • Impair Defenses: Safe Mode Boot
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2624
        • C:\Users\Admin\AppData\Local\Temp\srrhjebgsgyegeni.exe
          "C:\Users\Admin\AppData\Local\Temp\srrhjebgsgyegeni.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:2996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    114KB

    MD5

    1093158a93efd6a813e57ce647b81735

    SHA1

    823a9d673b9083c3ddaedc69fb0583f97991457f

    SHA256

    94646d45925b4cd6928646605f6c54e04f84136dc25f3f0914a53161f5a57ee1

    SHA512

    f4d71ab354ce9ca4c2ab20633525f9be715ca8de1194e652c692415643cb609651c2e3a8edd4d3d5a28f4ca8c732eb9ff598c7e929f2deb46fa1b2509150d064

  • memory/1276-38-0x00000000773DF000-0x00000000773E0000-memory.dmp

    Filesize

    4KB

  • memory/1276-95-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/1276-94-0x0000000000400000-0x0000000000438BF8-memory.dmp

    Filesize

    226KB

  • memory/1276-14-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/1276-87-0x0000000002900000-0x0000000002939000-memory.dmp

    Filesize

    228KB

  • memory/1276-15-0x0000000000400000-0x0000000000438BF8-memory.dmp

    Filesize

    226KB

  • memory/1276-18-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/1276-12-0x0000000000400000-0x0000000000438BF8-memory.dmp

    Filesize

    226KB

  • memory/1276-26-0x0000000000400000-0x0000000000438BF8-memory.dmp

    Filesize

    226KB

  • memory/2432-96-0x00000000001E0000-0x00000000001E2000-memory.dmp

    Filesize

    8KB

  • memory/2432-13-0x00000000001E0000-0x0000000000204000-memory.dmp

    Filesize

    144KB

  • memory/2432-1-0x0000000010000000-0x0000000010039000-memory.dmp

    Filesize

    228KB

  • memory/2432-0-0x0000000010000000-0x0000000010039000-memory.dmp

    Filesize

    228KB

  • memory/2432-4-0x00000000001D0000-0x0000000000209000-memory.dmp

    Filesize

    228KB

  • memory/2432-16-0x00000000001E0000-0x0000000000204000-memory.dmp

    Filesize

    144KB

  • memory/2624-98-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-55-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-106-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-105-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-104-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-102-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-103-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-62-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-56-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-97-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-67-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-63-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-101-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-100-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-99-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-40-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2624-46-0x0000000020010000-0x0000000020023000-memory.dmp

    Filesize

    76KB

  • memory/2996-90-0x0000000000400000-0x0000000000438BF8-memory.dmp

    Filesize

    226KB

  • memory/2996-93-0x0000000000400000-0x0000000000438BF8-memory.dmp

    Filesize

    226KB

  • memory/3052-32-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/3052-33-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/3052-36-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/3052-22-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/3052-37-0x0000000000090000-0x0000000000091000-memory.dmp

    Filesize

    4KB

  • memory/3052-20-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/3052-27-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/3052-31-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/3052-35-0x00000000000A0000-0x00000000000A1000-memory.dmp

    Filesize

    4KB