Analysis

  • max time kernel
    92s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 21:14

General

  • Target

    0f8cce0109033862ed107f468eb73d52_JaffaCakes118.dll

  • Size

    193KB

  • MD5

    0f8cce0109033862ed107f468eb73d52

  • SHA1

    f48e3a4d8186c078efbcebbba2e8250c822220ec

  • SHA256

    8fe2520c274ec8bfbf683f60d5396895697b3ac359e7bc28c6002126cb7c1f0a

  • SHA512

    86723ceecd6ef1bf31756187e1027e139a597fa401f646a941443b9a909baef11340809ce86c868eba3731f166c80eb40a0ffea85dfde4464b67ee123ffae54c

  • SSDEEP

    3072:B73MITL/9oSmkbx3ZtffjBTnIwanLMb6fewiVWFZWm7TR1uNZJ:tdTpountf75IwkjfGWyK83

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 46 IoCs
  • Modifies registry class 45 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\0f8cce0109033862ed107f468eb73d52_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2680
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\0f8cce0109033862ed107f468eb73d52_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3172
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:2564
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:4172
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1340
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 204
                6⤵
                • Program crash
                PID:3848
            • 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:2820
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2820 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1984
            • 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:3756
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3756 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3468
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1340 -ip 1340
      1⤵
        PID:4136

      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

        b9b9f42ce6d2b20bf169d05480d239d4

        SHA1

        32b094cc2ff79f07fcd68d585846b919bc350e4d

        SHA256

        4d16bb8c9a34d4de9d39bb5f0e87095617b5ad551112db17b38b6cb752fbdae4

        SHA512

        36b45c544439c6b1fab4c2fa58712475a65ad467e3da61086c4a953d6587d35f5c6ae7de740863295ae0d3534cbf67d0bed6843d95b6786b50431bfeebcf1010

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

        Filesize

        404B

        MD5

        b130ee640e64a9886717a42d46520e7a

        SHA1

        4faba7b4f75e66716db10365b5deefe182a0dce0

        SHA256

        553b9fcd74c5f5a5ff6e15bd79be023f71b1d0adebb7a2b4bae1008d4526cda3

        SHA512

        65c166a6b0c158d7aa7b12cf862aa3cd8076b6e7baf83d80ad2d9aab04795b8684881be705bdc17ed1a4889059c04c19ad68c7fe1c19f84c75f9b4826d827990

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

        Filesize

        404B

        MD5

        61ada25b3ff1285cd474e47ced2ef414

        SHA1

        1896a3d5f6fb253744eaff36f8eded16bce4d074

        SHA256

        8ba1591c56a70eeb70ab5b4ca3e3b694c9a572767c5e7082f941f04de74c4173

        SHA512

        ab63f0ff3526614c70ebf5e5363b16214bd14bd474080e88970688c58dde67dfac8538306c0770aff95bc17e931b193fec3babc3566c8b4e6bd987270b394b22

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{E30D3851-3337-11EF-9519-5ABC67A14C95}.dat

        Filesize

        3KB

        MD5

        1626b5ee20b762e6aeab53091b957a87

        SHA1

        837530a6919ac8eb9ccd92a6b593e5a56d17a164

        SHA256

        9802631f9c2890dd9e91b6521c84309328895ebe2a2f500c8c5bc3455a0b5330

        SHA512

        a463b1e0518a8052436cce0bfac93fc1ba1e1f5017d8096fcf5221988079577c6beab8ef39d0d7c3b1c9773a38731f0ec22c7b8fa6715d09b25015d477744f58

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{E311FD4F-3337-11EF-9519-5ABC67A14C95}.dat

        Filesize

        5KB

        MD5

        22cb8cb4c2acbcd4a0493614f4dcbd05

        SHA1

        30821de09603603709944c8220d55f619c3e44d5

        SHA256

        5fb2d0a2d3bcae371f75903429635779584bf31484fe73582b299c3102af3c89

        SHA512

        006802bdfd1b9db8036a217e6069ee6c22ac7144c302a3688af24d45a88078af5a131226dbf4bbac1afe4c99bb7f1728718fbf4d4ccf93c8b2bdb337a2db8e11

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verBDE2.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VLW1SL5J\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\regsvr32mgr.exe

        Filesize

        96KB

        MD5

        8c51fd9d6daa7b6137634de19a49452c

        SHA1

        db2a11cca434bacad2bf42adeecae38e99cf64f8

        SHA256

        528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

        SHA512

        b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

      • memory/1340-31-0x00000000009A0000-0x00000000009A1000-memory.dmp

        Filesize

        4KB

      • memory/1340-32-0x00000000009C0000-0x00000000009C1000-memory.dmp

        Filesize

        4KB

      • memory/2564-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2564-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2564-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2564-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2564-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2564-18-0x00000000008B0000-0x00000000008B1000-memory.dmp

        Filesize

        4KB

      • memory/2564-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2564-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2564-5-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/3172-1-0x0000000075560000-0x0000000075593000-memory.dmp

        Filesize

        204KB

      • memory/4172-27-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/4172-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4172-34-0x0000000077BC2000-0x0000000077BC3000-memory.dmp

        Filesize

        4KB

      • memory/4172-33-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4172-29-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4172-30-0x0000000077BC2000-0x0000000077BC3000-memory.dmp

        Filesize

        4KB

      • memory/4172-19-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB