Analysis

  • max time kernel
    122s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29/03/2024, 21:34

General

  • Target

    5afffde17eb44aa4d999eb10d39a0ceb483f359d50c05551c7dbf5dce6a5e702.exe

  • Size

    787KB

  • MD5

    1ec0a138b86ce5bd3a0e0c8d5d069f19

  • SHA1

    42ef67d99a25736dc08b8e043e8e6734f57cf29c

  • SHA256

    5afffde17eb44aa4d999eb10d39a0ceb483f359d50c05551c7dbf5dce6a5e702

  • SHA512

    96041ae277acd76ac65a90c657078ec97ec357f80b40f61ebbc142bb4669f705d246e424f1b3d2108da80abb05959e03aa075d512cfe8a6911b964701c095bb2

  • SSDEEP

    12288:qPUYOEXna6yhByZ+3RC7DgZEbPzJSVHZne+Mlcv:LYnanhEZORYTrFSPZM2

Malware Config

Signatures

  • Ramnit

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

  • UPX dump on OEP (original entry point) 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5afffde17eb44aa4d999eb10d39a0ceb483f359d50c05551c7dbf5dce6a5e702.exe
    "C:\Users\Admin\AppData\Local\Temp\5afffde17eb44aa4d999eb10d39a0ceb483f359d50c05551c7dbf5dce6a5e702.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Users\Admin\AppData\Local\Temp\5afffde17eb44aa4d999eb10d39a0ceb483f359d50c05551c7dbf5dce6a5e702mgr.exe
      C:\Users\Admin\AppData\Local\Temp\5afffde17eb44aa4d999eb10d39a0ceb483f359d50c05551c7dbf5dce6a5e702mgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2644
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2644 -s 180
        3⤵
        • Program crash
        PID:2584

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\5afffde17eb44aa4d999eb10d39a0ceb483f359d50c05551c7dbf5dce6a5e702mgr.exe

          Filesize

          157KB

          MD5

          2ad7467eeceedd64b8bd4f6e04c3cd49

          SHA1

          d6c5d9878dc49ae9b531d61283609e207154a921

          SHA256

          2aab17b2f18dfb70cd737b27b1a438ad8878889070a6e025b3684483054f60c9

          SHA512

          7a647d4a8de90d11cd5afb82ace8354869af0893f28afcf9491d1d4de421315d9a394a5d3462d88c0eff6c5a7a4ed41897d8d0498b59b4b7428ddbb61786be2a

        • \Users\Admin\AppData\Local\Temp\~TMD8B3.tmp

          Filesize

          1.2MB

          MD5

          d124f55b9393c976963407dff51ffa79

          SHA1

          2c7bbedd79791bfb866898c85b504186db610b5d

          SHA256

          ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

          SHA512

          278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

        • \Users\Admin\AppData\Local\Temp\~TMD9AD.tmp

          Filesize

          1.1MB

          MD5

          9b98d47916ead4f69ef51b56b0c2323c

          SHA1

          290a80b4ded0efc0fd00816f373fcea81a521330

          SHA256

          96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

          SHA512

          68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

        • memory/2612-1-0x0000000001010000-0x00000000010DA000-memory.dmp

          Filesize

          808KB

        • memory/2612-9-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/2612-13-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/2644-11-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/2644-17-0x00000000774AF000-0x00000000774B1000-memory.dmp

          Filesize

          8KB

        • memory/2644-18-0x00000000774B0000-0x00000000774B1000-memory.dmp

          Filesize

          4KB

        • memory/2644-19-0x00000000774B0000-0x00000000774B2000-memory.dmp

          Filesize

          8KB

        • memory/2644-12-0x00000000003C0000-0x00000000003F2000-memory.dmp

          Filesize

          200KB

        • memory/2644-22-0x0000000075570000-0x0000000075680000-memory.dmp

          Filesize

          1.1MB

        • memory/2644-23-0x0000000075570000-0x0000000075680000-memory.dmp

          Filesize

          1.1MB

        • memory/2644-24-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/2644-25-0x0000000075570000-0x0000000075680000-memory.dmp

          Filesize

          1.1MB