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Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/01/2025, 02:04

General

  • Target

    JaffaCakes118_61fe0a37b0de1bc3ce52aec777073cb9.dll

  • Size

    103KB

  • MD5

    61fe0a37b0de1bc3ce52aec777073cb9

  • SHA1

    d06c021be37a026bf9b9270806353fe9a1cfb254

  • SHA256

    a30632f77ef9942d20ca201115af2275e86e2cdc593f877b62c5b202ef44d4e7

  • SHA512

    9c4368d0df25ac5b96d1900f7a67419805f0df7a14d0a53c4c7f73cdf367462a9fd42bcf0943bf5f712aa6475eded42e5f26578d5e03ba415073d8fbc7d4bf5e

  • SSDEEP

    3072:RIVVK4jGRAMhi8lWODGuIkFRXMFn1hLjQW/:RIVVKefMhV0ODGuIKFMF1hLjQ

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

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

  • Ramnit family
  • UAC bypass 3 TTPs 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61fe0a37b0de1bc3ce52aec777073cb9.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61fe0a37b0de1bc3ce52aec777073cb9.dll,#1
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2292
      • C:\Users\Admin\AppData\Local\Temp\goMCn23
        "goMCn23"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2092
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2408
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
          • Modifies WinLogon for persistence
          • UAC bypass
          • Drops startup file
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2824
        • C:\Users\Admin\AppData\Local\Temp\ovxjohudxlqdcmah.exe
          "C:\Users\Admin\AppData\Local\Temp\ovxjohudxlqdcmah.exe" elevate
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2624
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\ovxjohudxlqdcmah.exe"" admin
            5⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:872
            • C:\Users\Admin\AppData\Local\Temp\ovxjohudxlqdcmah.exe
              "C:\Users\Admin\AppData\Local\Temp\ovxjohudxlqdcmah.exe" admin
              6⤵
              • UAC bypass
              • Executes dropped EXE
              • Checks whether UAC is enabled
              • Suspicious use of AdjustPrivilegeToken
              • System policy modification
              PID:1132
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2292 -s 248
        3⤵
        • Program crash
        PID:2084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\goMCn23

    Filesize

    91KB

    MD5

    e9639538d169c463914f6b2940eae754

    SHA1

    9d4fcf5d5cf2dcfb1ec07be9861b946f81f91647

    SHA256

    d36631b46cdce695237f408057ca3463a2487a9a9a32887e8b5001ff50c0718d

    SHA512

    b8b708a2ebcec4897ce27c97caf79105f0500937f0ec716f72aefa675968479645c0c5ddf8aa73ee7d12ff4ed565a53436902c7a1477c007bd2ce21a14d0fb21

  • memory/1132-94-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2092-23-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2092-85-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2092-63-0x0000000077DC0000-0x0000000077DC1000-memory.dmp

    Filesize

    4KB

  • memory/2092-11-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2092-15-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2092-14-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2092-43-0x0000000077DC0000-0x0000000077DC1000-memory.dmp

    Filesize

    4KB

  • memory/2092-44-0x0000000077DBF000-0x0000000077DC0000-memory.dmp

    Filesize

    4KB

  • memory/2292-46-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB

  • memory/2292-9-0x000000005F302000-0x000000005F303000-memory.dmp

    Filesize

    4KB

  • memory/2292-10-0x000000005F300000-0x000000005F31D000-memory.dmp

    Filesize

    116KB

  • memory/2292-0-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB

  • memory/2408-33-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2408-28-0x0000000000070000-0x0000000000071000-memory.dmp

    Filesize

    4KB

  • memory/2408-30-0x0000000000060000-0x0000000000061000-memory.dmp

    Filesize

    4KB

  • memory/2408-19-0x0000000000050000-0x0000000000051000-memory.dmp

    Filesize

    4KB

  • memory/2408-32-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2408-31-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2408-29-0x0000000000050000-0x0000000000051000-memory.dmp

    Filesize

    4KB

  • memory/2408-24-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2408-17-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2624-87-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2824-58-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2824-95-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2824-62-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2824-64-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2824-69-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2824-45-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2824-37-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2824-56-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2824-96-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2824-97-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2824-98-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2824-100-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2824-101-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2824-102-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2824-103-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2824-104-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB