Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29/03/2024, 08:24

General

  • Target

    2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe

  • Size

    16.6MB

  • MD5

    2a67d028ee55d09ae170ca5f80bfad88

  • SHA1

    c750c775c8cec95a8a8d77bef756d62ab27362a9

  • SHA256

    9a73ad14474c570c55a3af168363019001fdcff4c405b67234fcb50ccc7be53c

  • SHA512

    9b6dbb7d78475469009b6ed41c1fa622c234fcbcaa309aeb0bbdc6748f6c8895439270047029d9a24efdc769ceff8ef475c36634172a806e6f0a87caff6db0e7

  • SSDEEP

    196608:N5NU7cedoQaSWgmoVZPm6BqCOte0jlob/dXsauo4zyhPSBkhj04OUSwuBjDwgg5I:22SblqCXsauo4DBkluBjCUoQH

Malware Config

Signatures

  • Ramnit

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

  • UPX dump on OEP (original entry point) 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Modifies registry class 30 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe"
    1⤵
    • Loads dropped DLL
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\AppData\Local\Temp\2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnitmgr.exe
      C:\Users\Admin\AppData\Local\Temp\2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnitmgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2192
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 180
        3⤵
        • Program crash
        PID:2680

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tterror.log

          Filesize

          157B

          MD5

          46ab49e8a2f4ebd2ee9e5ff4e647f992

          SHA1

          e7460a7511a6a9b63821450f20a841a2cc7bff09

          SHA256

          7d0dc4ba29916c569392b7334ada2b71ea1736dd4262f476c5efff1433ef58a1

          SHA512

          bbc7507f239c6e47455015425ad78685b0b272a8eb8d02c8f4456fcf0af81e5c57f58dbf9b70e0f94993a11a01de7962b6ce3838280bd494d6ca5afac0ada342

        • \Users\Admin\AppData\Local\Temp\2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnitmgr.exe

          Filesize

          157KB

          MD5

          2ad7467eeceedd64b8bd4f6e04c3cd49

          SHA1

          d6c5d9878dc49ae9b531d61283609e207154a921

          SHA256

          2aab17b2f18dfb70cd737b27b1a438ad8878889070a6e025b3684483054f60c9

          SHA512

          7a647d4a8de90d11cd5afb82ace8354869af0893f28afcf9491d1d4de421315d9a394a5d3462d88c0eff6c5a7a4ed41897d8d0498b59b4b7428ddbb61786be2a

        • \Users\Admin\AppData\Local\Temp\~TM5DD9.tmp

          Filesize

          1.2MB

          MD5

          d124f55b9393c976963407dff51ffa79

          SHA1

          2c7bbedd79791bfb866898c85b504186db610b5d

          SHA256

          ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

          SHA512

          278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

        • \Users\Admin\AppData\Local\Temp\~TM5DF9.tmp

          Filesize

          1.1MB

          MD5

          9b98d47916ead4f69ef51b56b0c2323c

          SHA1

          290a80b4ded0efc0fd00816f373fcea81a521330

          SHA256

          96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

          SHA512

          68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

        • memory/2192-26-0x0000000000220000-0x0000000000252000-memory.dmp

          Filesize

          200KB

        • memory/2192-21-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/2192-24-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/2192-27-0x0000000077190000-0x00000000772A0000-memory.dmp

          Filesize

          1.1MB

        • memory/2192-42-0x0000000000220000-0x0000000000252000-memory.dmp

          Filesize

          200KB

        • memory/2332-20-0x0000000000250000-0x0000000000282000-memory.dmp

          Filesize

          200KB

        • memory/2332-19-0x0000000000400000-0x00000000014DB000-memory.dmp

          Filesize

          16.9MB

        • memory/2332-40-0x0000000005680000-0x000000000675B000-memory.dmp

          Filesize

          16.9MB

        • memory/2332-41-0x0000000005680000-0x000000000675B000-memory.dmp

          Filesize

          16.9MB