Analysis

  • max time kernel
    107s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 02:32

General

  • Target

    df8b75e351acc49f544bcbc8427f38a0_JaffaCakes118.dll

  • Size

    212KB

  • MD5

    df8b75e351acc49f544bcbc8427f38a0

  • SHA1

    f06e403968de1d2723b4975ce411bdf1bff097b0

  • SHA256

    5aeff8b92942c69df4e1699ebd7c07f4ab9337f220fa1a8039c7619bd332c6e1

  • SHA512

    3f38757f4e19b2454423b7f8983993aa84f17ad31e9ed3b0e68504296167a21ab445f193c91b879f2064dcc209db437c7d2b6c7ce401e88d83fe18c836fe88eb

  • SSDEEP

    3072:zn4cV8gf2u41Z5tKlwDw57l235ZkpUb0MaDQ+GH0ruWZl:74y8gOl2z5RC5Zv0DQ+bVZl

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
  • 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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\df8b75e351acc49f544bcbc8427f38a0_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3240
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\df8b75e351acc49f544bcbc8427f38a0_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1564
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.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:1296
        • 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:4160
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:4380
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 204
                6⤵
                • Program crash
                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:4072
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4072 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4052
            • 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:2024
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2024 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4896
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4380 -ip 4380
      1⤵
        PID:1972

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        471B

        MD5

        87f8376b71b1fd35da4b511eff055888

        SHA1

        0c55fba0aa699282bbe4d129dd0ba16d4e377ce9

        SHA256

        a1383ed3b4f8967fb19f5b16bfe41eb3242b296ffc06c1098fbe1d1a04a7003f

        SHA512

        8556ed20a3d9daf8f74b2eceaab6a3773b69d5c9524ba8dbb8af1ad64b2235165e487c41646e357be5906aaa7f0f4c57ff8dc9ea2acc0c87f443d3ad083c9031

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

        Filesize

        404B

        MD5

        3991807b688dfdc5922cb14d83185afb

        SHA1

        ab230d89be0aef0afa06ab33d4fef523c75e6c26

        SHA256

        6652dc8a703af9d8c1b3fe30c2580ff345dbfb68eebf53d179a46abfbf192c2e

        SHA512

        e1c47044a55fdecc7e8db287b396bae2fa9ae0bfbfea1ff3ae1d98c9e8f3313a69c96ecf1d6d12be87ec40fd90949d8352d4b566365838dac5576f9798daacc5

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{27E7F335-B768-11EF-AEE2-520873AEBE93}.dat

        Filesize

        3KB

        MD5

        7804203b18c46d0a197ee4a1f2414d01

        SHA1

        3e6893d91c5ce799fe9ebb0618436cb0b7409cd3

        SHA256

        3a9b148c12c1219426b9f3b1a4bc36acd17a164ba5ddbbbacfeb8708c408b8bf

        SHA512

        bb3ac2f3b7db7c7dadf49147f6aca52ed384fcd731dbbdc2a1252982ae2b10c05c4703407bff91e9f15d0188dab0c07403a102248f08c2fe4cb7a8a47a30dc3e

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{27EA54AD-B768-11EF-AEE2-520873AEBE93}.dat

        Filesize

        5KB

        MD5

        91cd96de65afea8b4f64ab28b02e1735

        SHA1

        7bd8def4bce34a9ff6bcac92ccbe3ab8393c15da

        SHA256

        b9fb9d7baf41bc2a0af7708a4833a966a3b14d919a1c0bbe6c484c96e745a051

        SHA512

        f68dc1d88950983efe4d3ee4e9db17c3d4f5edbb9c5cc8856af4f3b368cf9947d6880e98e9b405554d5b3e2ba0849fd7634f0749743ad2233e7f0720a01e1a76

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver3469.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        120KB

        MD5

        6c5a1f8cb177e400928e970bf3023e42

        SHA1

        df335cb43d37ed50cb198e35b574fe284e70134e

        SHA256

        4e79c0272252c466b18fcace7b7ec9ef1551587d560f2a9697eeba5e3a5cac6f

        SHA512

        767efe61e94933ea7799f78d6cf9d86e7b2494077295915f4a91c605a30e9685ce297d43c61b74d744038a728f91525590c2221230056e2486c79333a0179673

      • memory/1296-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1296-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1296-4-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/1296-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1296-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1296-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1296-11-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1296-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1296-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1564-0-0x0000000010000000-0x0000000010036000-memory.dmp

        Filesize

        216KB

      • memory/4160-35-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4160-31-0x00000000772B2000-0x00000000772B3000-memory.dmp

        Filesize

        4KB

      • memory/4160-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4160-36-0x00000000772B2000-0x00000000772B3000-memory.dmp

        Filesize

        4KB

      • memory/4160-29-0x0000000000430000-0x0000000000431000-memory.dmp

        Filesize

        4KB

      • memory/4160-25-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/4160-40-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4160-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4160-30-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4380-33-0x0000000000500000-0x0000000000501000-memory.dmp

        Filesize

        4KB

      • memory/4380-34-0x00000000004E0000-0x00000000004E1000-memory.dmp

        Filesize

        4KB