Analysis

  • max time kernel
    93s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2024 04:20

General

  • Target

    9b06af982da13a032e29a0493fb0645b821ab379e6fc69d1c755a8b9d4cfafb7.dll

  • Size

    513KB

  • MD5

    dc8bc6ccd74d328c9f641c282a287feb

  • SHA1

    a56f0a1acc9efb8c3e3de608bb8a2e840073f5c3

  • SHA256

    9b06af982da13a032e29a0493fb0645b821ab379e6fc69d1c755a8b9d4cfafb7

  • SHA512

    36cc0402fa295a6bcaa43da6305aa2ea1a8547bc6985b38bb465c53217c05b1819c28818533ef80c0b056b8d5bfc2bc66ac95683f4a11c78e05d29a8a9a8036f

  • SSDEEP

    6144:el2uHQRByruC6NFpkt4nuTU1d76R27lpiRHfdXluzGjJOCcoGFccMWDOJraQ3wBF:en40IOc/RqAzx5

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 8 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b06af982da13a032e29a0493fb0645b821ab379e6fc69d1c755a8b9d4cfafb7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b06af982da13a032e29a0493fb0645b821ab379e6fc69d1c755a8b9d4cfafb7.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:988
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • 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:3464
        • 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:1604
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1604 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2524

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

    73d8dd7eaa8896905e31f1960f51ece1

    SHA1

    164e031603e75d95091220c5ff0d695547f6d3ae

    SHA256

    9ff75ab638fe252bd0d04aea3f0ce38270ffc8df5db9399f9ea45aaef196dddc

    SHA512

    4879585482992d7ea3ee02775b74592b06daab32a63dc7700dd4da40c45a524f3bcfc2beff928a85563f09ad0438be5b3e458bc3d0cd08ad146d416fec014a04

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

    Filesize

    404B

    MD5

    a5b0d38cf4bce8ec94c146a5170ea1b3

    SHA1

    f1c556265b1f44ce304d424a417f9ef122beb6c7

    SHA256

    2c72ab4477fef3ecf7fb40f8ec8f2bd08097fbc4749a7d15d873a2e9922e37ae

    SHA512

    b5b3734b9432897227e7f1c033e43ecff6f742d0fa949735cd5ad2bb1fa17b39e1543fab140fd41a57843f1ab453bd4646c97ba784da6c8fc70a9fee5edfb205

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verF06B.tmp

    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Windows\SysWOW64\rundll32mgr.exe

    Filesize

    88KB

    MD5

    fe76e62c9c90a4bea8f2c464dc867719

    SHA1

    f0935e8b6c22dea5c6e9d4127f5c10363deba541

    SHA256

    5705c47b229c893f67741480ed5e3bce60597b2bb0dd755fb1f499a23888d7d6

    SHA512

    7d6d5bfb10df493ffea7132807be417b5a283d34a1cd49042390b2b927691fd53ecf8eee459c727844395f34e4230b2cd85b38b7fb7df0a3638b244d0c3f6394

  • memory/988-1-0x0000000075750000-0x00000000757D4000-memory.dmp

    Filesize

    528KB

  • memory/3464-21-0x0000000077D72000-0x0000000077D73000-memory.dmp

    Filesize

    4KB

  • memory/3464-13-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3464-17-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3464-19-0x0000000077D72000-0x0000000077D73000-memory.dmp

    Filesize

    4KB

  • memory/3464-12-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3464-16-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3464-14-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3464-18-0x0000000000710000-0x0000000000711000-memory.dmp

    Filesize

    4KB

  • memory/3464-7-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3464-6-0x0000000000401000-0x0000000000405000-memory.dmp

    Filesize

    16KB

  • memory/3464-10-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3464-22-0x0000000000401000-0x0000000000405000-memory.dmp

    Filesize

    16KB

  • memory/3464-8-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3464-9-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3464-11-0x00000000006A0000-0x00000000006A1000-memory.dmp

    Filesize

    4KB

  • memory/3464-4-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB