Analysis

  • max time kernel
    104s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06-11-2022 21:34

General

  • Target

    0c3480dd468d7b379e80f71f8389c8194b601e05e9dbca04d58e83aee507e1c9.dll

  • Size

    422KB

  • MD5

    0ea3292d91c3ff540ee07e5605204e60

  • SHA1

    b6c36ae4c3bf39936501cedf0ee510508ac3b531

  • SHA256

    0c3480dd468d7b379e80f71f8389c8194b601e05e9dbca04d58e83aee507e1c9

  • SHA512

    e1b6ee7fdcc5aef39580de4aa403810e5ea403332d657142c2d3a7436c08efb073f55073c0b31408c0898dbb35798b492d38c72691bfae2a9d042bdf71858d6c

  • SSDEEP

    12288:j79qXvjRc5AoIY+NPUlWnVaKy3olgtErA:VqXvjRc5AoITcknAKm8g2k

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 28 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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 19 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0c3480dd468d7b379e80f71f8389c8194b601e05e9dbca04d58e83aee507e1c9.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:812
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0c3480dd468d7b379e80f71f8389c8194b601e05e9dbca04d58e83aee507e1c9.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:656
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:1496
        • 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:1948
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1948 CREDAT:275457 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\ELC1ZD5L.txt

    Filesize

    603B

    MD5

    8203eb1233752a4679b07a682f1069f9

    SHA1

    c93e620558ed2dc865afdd5a79bcb3415744b994

    SHA256

    26123e56c7fc1b82f6f4d986a0a2b5bda6f2c9fcf3026a33250a425d3cfaaece

    SHA512

    352682e6c98d962910255c269eec60366c1a75ac45046c86324e143f8c5e9c09332b05ae94f2036ba8c971c411bbfe72e9f5d2cc089516c8a89445cd2f072010

  • C:\Windows\SysWOW64\rundll32mgr.exe

    Filesize

    87KB

    MD5

    58da7ff3c598b41bbe4cb76d5666aaa8

    SHA1

    e0b965f7a4e4bbeede3d1d4a82beab1209b2f2f6

    SHA256

    885c8e15532b46d2203b50c67f593288968be6d5f7c79e19b637e0129a1f5987

    SHA512

    c05ead242fe60c4aea4a034748edc2329cc31ebcad7b9895d1d0cc8a01e2891d40cfd2adda733780c5ecec0abbad71d5a30e55659752ee7199dadc3332cf027b

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    87KB

    MD5

    58da7ff3c598b41bbe4cb76d5666aaa8

    SHA1

    e0b965f7a4e4bbeede3d1d4a82beab1209b2f2f6

    SHA256

    885c8e15532b46d2203b50c67f593288968be6d5f7c79e19b637e0129a1f5987

    SHA512

    c05ead242fe60c4aea4a034748edc2329cc31ebcad7b9895d1d0cc8a01e2891d40cfd2adda733780c5ecec0abbad71d5a30e55659752ee7199dadc3332cf027b

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    87KB

    MD5

    58da7ff3c598b41bbe4cb76d5666aaa8

    SHA1

    e0b965f7a4e4bbeede3d1d4a82beab1209b2f2f6

    SHA256

    885c8e15532b46d2203b50c67f593288968be6d5f7c79e19b637e0129a1f5987

    SHA512

    c05ead242fe60c4aea4a034748edc2329cc31ebcad7b9895d1d0cc8a01e2891d40cfd2adda733780c5ecec0abbad71d5a30e55659752ee7199dadc3332cf027b

  • memory/656-55-0x0000000075131000-0x0000000075133000-memory.dmp

    Filesize

    8KB

  • memory/1496-60-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1496-61-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1496-62-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1496-63-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1496-64-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB