Analysis

  • max time kernel
    95s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 10:05

General

  • Target

    JaffaCakes118_50dbecf371132a3a6f5ec7da86de93cf.dll

  • Size

    224KB

  • MD5

    50dbecf371132a3a6f5ec7da86de93cf

  • SHA1

    e686de64cec0c309140874416165a2838e77055e

  • SHA256

    bb67dc5a989bc3ef0db414b2a4e5bb0720e11278401bfded9cbdc774281604f1

  • SHA512

    360b4f160ba7a6194ac372f6f21ff3f7a4ecaae6421c801a747990ccc6da95ac64861234896677f0faa2e09ddac098596f1d24373699678d5892c44eb2f436d5

  • SSDEEP

    3072:hoxMflFIIWkxuh+BCFFnJX0CZkkuWT/NH22stNB+KcItcTCQ9wNzx9M6VP5KkMsu:hoxMfL0+EHwWTFHJUB+lF9wN9bPNMsqD

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 12 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 51 IoCs
  • Modifies registry class 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50dbecf371132a3a6f5ec7da86de93cf.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4648
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50dbecf371132a3a6f5ec7da86de93cf.dll
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2516
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:1796
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:5080
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:3404
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 204
                6⤵
                • Program crash
                PID:4300
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:3696
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3696 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1284
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:1992
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1992 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:184
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3404 -ip 3404
      1⤵
        PID:852

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        471B

        MD5

        febff5e5b64433316ee5f116c5c14309

        SHA1

        55a533777edeed0d18304f073d59d5ca1e5c7737

        SHA256

        888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4

        SHA512

        cbadeca5bbd2528b4af7ad6d053483adac27db83bfcd8b75312a5aa4b09302f729b67a04bbb9af840cb3abd78ec668b5a6c8746685ba0f15780b5e0ea3dd88d8

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        404B

        MD5

        3608d5f52870a04c0218f35b5a88cad4

        SHA1

        78bbeb75e3529b21bc63429eccaa0f85c3a3f102

        SHA256

        aea2ffa15b101946c3cc72779a32f21af979e1c7991e29998e8053c75f350d9f

        SHA512

        15d848fa50c1327ab18ddef52ec5f4980dcb8558d18e78c388923180cbaf34dce21431610b976b81fc1727f53fc5198c71d48d59cc8027177067a3e6c7ba2a8f

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        404B

        MD5

        8a69c774db01e520866651e5249c65ff

        SHA1

        5ab8f72883393c5e0582d9c020b5b62d3bf93951

        SHA256

        d203fb6cde80e264a996ed3a9a57ee805591fd670746fb2ac826966aa886aa3f

        SHA512

        20c76cc48d17c778a64cc188befb990351805ccdd947cc5cf896d6c74d275b194841f91b521f92fd9956f57d55f0c1c0bba791a499b8e4b7e35ce0b59ec3ee31

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{E2D38937-C827-11EF-A4B7-622000771059}.dat

        Filesize

        5KB

        MD5

        a77112328c7d89780afd14d713e931db

        SHA1

        7a7e882b7f211457d92eb74d1c542536848a0d2a

        SHA256

        90836f138f469dc4a2c15ccc5f12eb28850994aae1ea09c52d9202267f0d8cf2

        SHA512

        62b08755517227a40b0d6ccb9b5770a6e10541e8152b3b6429a01138eba21518d58411bd174b6cde01292d029a362b50871583becd95e53062c2506d90d3f4b4

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{E2D5EBA2-C827-11EF-A4B7-622000771059}.dat

        Filesize

        3KB

        MD5

        154af5043c9c477e997a7c1f50478710

        SHA1

        663ab3c8d6ab0671c68d387957fce9307c2c3f75

        SHA256

        ea49efa3fd8072b3cb529e52bfbe75e6bbcba9055c741b33b25f0d89d29fe727

        SHA512

        5a442cef3d6479c0e51103007d9256a7304e53baaa6bc41115aff69312fe2856d0d3e39c47eeb2156b19ba21d843687e9621b10b655b96fc3896637fd8c0a900

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver2229.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\regsvr32mgr.exe

        Filesize

        59KB

        MD5

        0e0f0ae845d89c22bb6385f64a6b85fd

        SHA1

        0f3f1e7f18ab81572c5ce938d3880d4a5d7100ac

        SHA256

        5a5b85c582d5d4b3b912ee6789babebf8ae6d87330d0d33d87274841952899dd

        SHA512

        baec989a6329a2a60d954e83279fd57ba2000f8ed79e7a02d145bf44a5bffcd9a831c63f4b7d44e40c51e40b1dfbe72c5cebac04d0ce7b2295e3fd191b122350

      • memory/1796-15-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1796-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1796-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1796-21-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/1796-9-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/1796-10-0x00000000008A0000-0x00000000008A1000-memory.dmp

        Filesize

        4KB

      • memory/1796-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1796-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1796-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1796-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2516-0-0x0000000010000000-0x0000000010042000-memory.dmp

        Filesize

        264KB

      • memory/3404-35-0x0000000000570000-0x0000000000571000-memory.dmp

        Filesize

        4KB

      • memory/3404-34-0x0000000000590000-0x0000000000591000-memory.dmp

        Filesize

        4KB

      • memory/5080-32-0x0000000077EA2000-0x0000000077EA3000-memory.dmp

        Filesize

        4KB

      • memory/5080-37-0x0000000077EA2000-0x0000000077EA3000-memory.dmp

        Filesize

        4KB

      • memory/5080-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5080-36-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/5080-41-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5080-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5080-30-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5080-31-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5080-33-0x0000000020010000-0x0000000020022000-memory.dmp

        Filesize

        72KB

      • memory/5080-29-0x0000000000A10000-0x0000000000A11000-memory.dmp

        Filesize

        4KB