Analysis

  • max time kernel
    94s
  • max time network
    115s
  • 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 13:25

General

  • Target

    c5db69f376bb904206fea02c0559495e96c80df8bbc3ab8eda12617df87e9dbe.dll

  • Size

    124KB

  • MD5

    7451a21ed2ce4f587b6623373b77546d

  • SHA1

    f05bb1b6015e8925d2c5c0bd1424c19d5068ba1d

  • SHA256

    c5db69f376bb904206fea02c0559495e96c80df8bbc3ab8eda12617df87e9dbe

  • SHA512

    d634922a5e21ee80e574ff07605ce30c2c1cbb860cd66b88e1dce8a6e764bd78c9d6c149126fa3a26144cc4b0c26748602cb7aa8a26bedc12874fa8383201151

  • SSDEEP

    3072:fj6tCphM7VmKeZ88Dkj7oR2SqwKJXtf5DGyVBQwIY6X4r:f2cvZNDkYR2SqwK/AyVBQ9RIr

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 7 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 30 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\c5db69f376bb904206fea02c0559495e96c80df8bbc3ab8eda12617df87e9dbe.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c5db69f376bb904206fea02c0559495e96c80df8bbc3ab8eda12617df87e9dbe.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1800
      • 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:2908
        • 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:2760
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2760 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1944

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

    863881560832be6db3d7e95507b796d8

    SHA1

    bab29c682b73454cb94d1a0edfaae5fd64d076f6

    SHA256

    1b8c898d463e9947656d97610caa6068a39c17fae72baa9168113364b7f70063

    SHA512

    0556ac3e08e23d12ba2558e3e1320f8c7591359a003c6b98e3d93208361000c3fc25dc13e9f4a3575ef854bd903b32f62a36e541ba10de67f38663d8d8debbcb

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

    Filesize

    404B

    MD5

    2018009a98ea224d23292a572b06c02b

    SHA1

    9e43127a08ead237430685170b02b44e376d5276

    SHA256

    6002ae2c9680d048cb7850c77d9ae2f2749654426a68a1da38ab3b1ebc9d3c2c

    SHA512

    34c898550be3f81f88a97265c90120731bb1d5803538f053bf2c85128d55276600136bc7cc57fca88574edf2c321e202a8f3e8da9122aed69fec0e04d97fa64b

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\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/1800-0-0x0000000010000000-0x000000001001F000-memory.dmp

    Filesize

    124KB

  • memory/2908-9-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2908-6-0x0000000000401000-0x0000000000405000-memory.dmp

    Filesize

    16KB

  • memory/2908-14-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2908-12-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2908-11-0x00000000007E0000-0x00000000007E1000-memory.dmp

    Filesize

    4KB

  • memory/2908-13-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2908-7-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2908-15-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2908-16-0x0000000000990000-0x0000000000991000-memory.dmp

    Filesize

    4KB

  • memory/2908-17-0x0000000077272000-0x0000000077273000-memory.dmp

    Filesize

    4KB

  • memory/2908-18-0x0000000077272000-0x0000000077273000-memory.dmp

    Filesize

    4KB

  • memory/2908-21-0x0000000000401000-0x0000000000405000-memory.dmp

    Filesize

    16KB

  • memory/2908-10-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2908-8-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2908-5-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB