Analysis

  • max time kernel
    90s
  • max time network
    84s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 04:17

General

  • Target

    10b145cfb95a3ba1a16460cbae99e607_JaffaCakes118.exe

  • Size

    148KB

  • MD5

    10b145cfb95a3ba1a16460cbae99e607

  • SHA1

    fe5bdb1ca76fb0a29b72a15856f356ddbe5fff9f

  • SHA256

    280b9d8bb4ec80336b10766fff7ab363fcde1524963910a45d95d8ec46183ede

  • SHA512

    12309ee46b8fc8877779da60d721cda25d7e8bafa80cccb5e9a8d489acaa60b407395ea7be84750997106ed8572859ccb632f529ec64ca8a266a3936a80d9f21

  • SSDEEP

    3072:ZwH1uIIPhvpE6cXjA8iVUAWGaqqqBSpXuWMfujoMITjWR:O/EFpkXsDePGaqqqBmMfujPB

Malware Config

Signatures

  • Ramnit

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 18 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10b145cfb95a3ba1a16460cbae99e607_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\10b145cfb95a3ba1a16460cbae99e607_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1840
    • C:\Users\Admin\AppData\Local\Temp\10b145cfb95a3ba1a16460cbae99e607_JaffaCakes118mgr.exe
      C:\Users\Admin\AppData\Local\Temp\10b145cfb95a3ba1a16460cbae99e607_JaffaCakes118mgr.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3860
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:4812
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 204
            4⤵
            • Program crash
            PID:3036
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2120
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1056
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1056 CREDAT:17410 /prefetch:2
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:3528
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1056 CREDAT:17416 /prefetch:2
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:4016
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          3⤵
            PID:3688
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 208
              4⤵
              • Program crash
              PID:4692
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2620
            • C:\Program Files\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
              4⤵
              • Modifies Internet Explorer settings
              PID:2368
          • C:\Users\Admin\AppData\Local\Temp\fylshnjvyuuhuiky.exe
            "C:\Users\Admin\AppData\Local\Temp\fylshnjvyuuhuiky.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:2056
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4812 -ip 4812
        1⤵
          PID:2136
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3688 -ip 3688
          1⤵
            PID:3372

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\10b145cfb95a3ba1a16460cbae99e607_JaffaCakes118mgr.exe

            Filesize

            111KB

            MD5

            10d2e087710c80d11a2e482cd3a13731

            SHA1

            5623e43b4ac7c528449e67bc11cedabe369df54c

            SHA256

            607b206b4baecc7a0be6c0518b8733fb5c4364b7098a262a03befbbfd0d30335

            SHA512

            68b991baad83dc781e8a5ba69d0edfad7e90122618b5c1f178a01a0481a8f43e200cbd7f5702449ec758361ac8f1a1596e7400bd9561a86cbeff31a876a2f65a

          • C:\Windows\win.ini

            Filesize

            380B

            MD5

            7417ffe469b7a551aa54cbffec528ae7

            SHA1

            08e1f77dcfcc625c6c70f0bd3029db5e2d10a21e

            SHA256

            dd8d44a7602480e0c59ee75c7eead5c109c2bd54818851953b5760218c3e4517

            SHA512

            7efe91b96095d23128b3db4af6579ef82c91c41e2881cf3930b2f2bda32e61e9b47d46819806879f435731898a6884e00c6d58ad25f2da558e5f7f270006d8e4

          • memory/2056-41-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/2056-47-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/2056-46-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/2056-43-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/2056-42-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/3860-18-0x00000000004A0000-0x00000000004A1000-memory.dmp

            Filesize

            4KB

          • memory/3860-20-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/3860-28-0x0000000077D02000-0x0000000077D03000-memory.dmp

            Filesize

            4KB

          • memory/3860-27-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/3860-26-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/3860-30-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/3860-31-0x0000000077D02000-0x0000000077D03000-memory.dmp

            Filesize

            4KB

          • memory/3860-40-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/3860-15-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/3860-16-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/3860-13-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/4812-21-0x0000000000E20000-0x0000000000E21000-memory.dmp

            Filesize

            4KB

          • memory/4812-22-0x0000000000E00000-0x0000000000E01000-memory.dmp

            Filesize

            4KB