Analysis

  • max time kernel
    92s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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) 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 1 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 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 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⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1512
    • 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:3660
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 536
        3⤵
        • Program crash
        PID:3592
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3660 -ip 3660
    1⤵
      PID:2468

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            157KB

            MD5

            2ad7467eeceedd64b8bd4f6e04c3cd49

            SHA1

            d6c5d9878dc49ae9b531d61283609e207154a921

            SHA256

            2aab17b2f18dfb70cd737b27b1a438ad8878889070a6e025b3684483054f60c9

            SHA512

            7a647d4a8de90d11cd5afb82ace8354869af0893f28afcf9491d1d4de421315d9a394a5d3462d88c0eff6c5a7a4ed41897d8d0498b59b4b7428ddbb61786be2a

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

            Filesize

            285B

            MD5

            5373cc038901ac065eb8ddcd0718942d

            SHA1

            c433db25363805f1cae4c11716d4d5c7673f72ea

            SHA256

            75597c855e4374ed6a52d90f9ea1859dba04296af352997a4e517819d7ba2cee

            SHA512

            6afe1bad196d27c646b469d8f79b96f7a75a2744cabe39fab1263432064bbca326fe9caf4b1ee27975a3a8e0d69ee9d2efcaf836953256fd3ff5ff7036ed5d87

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

            Filesize

            157B

            MD5

            fbef79d0ae73c9fbf9d0b0e6e3a8711d

            SHA1

            129e9ee03a0754453d995113bc3528d666e463e4

            SHA256

            1ee6962594b3743b5f56129c27c08754d75759332ef30b4af968a6403f15b71b

            SHA512

            c90cc0b6fb6f0ed1621a63ea7656c4a97378dbabf7e4d75dc2c7f5cdedee7c0d41618fb4e2e2606f9c51d884ab9b7e061bbd09ac75a8975f14ea491d89e6490c

          • C:\Users\Admin\AppData\Local\Temp\~TM4249.tmp

            Filesize

            1.6MB

            MD5

            4f3387277ccbd6d1f21ac5c07fe4ca68

            SHA1

            e16506f662dc92023bf82def1d621497c8ab5890

            SHA256

            767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

            SHA512

            9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

          • memory/1512-14-0x0000000000400000-0x00000000014DB000-memory.dmp

            Filesize

            16.9MB

          • memory/3660-15-0x0000000000400000-0x0000000000432000-memory.dmp

            Filesize

            200KB

          • memory/3660-16-0x0000000002070000-0x00000000020A2000-memory.dmp

            Filesize

            200KB

          • memory/3660-17-0x0000000077092000-0x0000000077094000-memory.dmp

            Filesize

            8KB

          • memory/3660-18-0x0000000077092000-0x0000000077093000-memory.dmp

            Filesize

            4KB