Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29/03/2024, 19:59

General

  • Target

    37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1.exe

  • Size

    602KB

  • MD5

    d7d05f1d921be037982d8c1fa20e6be5

  • SHA1

    b31b9ea455ce1fc0ad6c8bcdd3a5d923b3b5a60a

  • SHA256

    37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1

  • SHA512

    44b7bdb4e3edc8cff779d76730a23bebce25c07ba63a670d26bfbda4bb339dce490f46aba996e8dcbd8d68cbdccc73a1b2504dfaebccacb0a4bb3cc0344884af

  • SSDEEP

    6144:r0+URhIb8NDgt1n6+p5XWv5QzQArJa+156g0EP4IZne+Mlcp:vUDIbOgt1n6IdWqHa+15lHZne+Mlcp

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.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1.exe
    "C:\Users\Admin\AppData\Local\Temp\37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Users\Admin\AppData\Local\Temp\37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1mgr.exe
      C:\Users\Admin\AppData\Local\Temp\37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1mgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2924
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2924 -s 180
        3⤵
        • Program crash
        PID:2868

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1mgr.exe

          Filesize

          157KB

          MD5

          2ad7467eeceedd64b8bd4f6e04c3cd49

          SHA1

          d6c5d9878dc49ae9b531d61283609e207154a921

          SHA256

          2aab17b2f18dfb70cd737b27b1a438ad8878889070a6e025b3684483054f60c9

          SHA512

          7a647d4a8de90d11cd5afb82ace8354869af0893f28afcf9491d1d4de421315d9a394a5d3462d88c0eff6c5a7a4ed41897d8d0498b59b4b7428ddbb61786be2a

        • \Users\Admin\AppData\Local\Temp\~TM68A2.tmp

          Filesize

          1.2MB

          MD5

          d124f55b9393c976963407dff51ffa79

          SHA1

          2c7bbedd79791bfb866898c85b504186db610b5d

          SHA256

          ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

          SHA512

          278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

        • \Users\Admin\AppData\Local\Temp\~TM68D2.tmp

          Filesize

          1.1MB

          MD5

          9b98d47916ead4f69ef51b56b0c2323c

          SHA1

          290a80b4ded0efc0fd00816f373fcea81a521330

          SHA256

          96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

          SHA512

          68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

        • memory/1920-0-0x0000000000400000-0x000000000049B000-memory.dmp

          Filesize

          620KB

        • memory/1920-9-0x00000000003A0000-0x00000000003D2000-memory.dmp

          Filesize

          200KB

        • memory/1920-15-0x0000000000400000-0x000000000049B000-memory.dmp

          Filesize

          620KB

        • memory/1920-13-0x00000000003A0000-0x00000000003D2000-memory.dmp

          Filesize

          200KB

        • memory/2924-19-0x0000000077EA0000-0x0000000077EA1000-memory.dmp

          Filesize

          4KB

        • memory/2924-17-0x0000000000220000-0x0000000000252000-memory.dmp

          Filesize

          200KB

        • memory/2924-18-0x0000000077E9F000-0x0000000077EA1000-memory.dmp

          Filesize

          8KB

        • memory/2924-20-0x0000000077EA0000-0x0000000077EA2000-memory.dmp

          Filesize

          8KB

        • memory/2924-16-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/2924-23-0x0000000075DA0000-0x0000000075EB0000-memory.dmp

          Filesize

          1.1MB

        • memory/2924-24-0x0000000075DA0000-0x0000000075EB0000-memory.dmp

          Filesize

          1.1MB

        • memory/2924-25-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/2924-26-0x0000000075DA0000-0x0000000075EB0000-memory.dmp

          Filesize

          1.1MB