Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    12/06/2024, 02:42

General

  • Target

    b446e37b527a4fffd8d9eec94a221f0e.exe

  • Size

    2.5MB

  • MD5

    b446e37b527a4fffd8d9eec94a221f0e

  • SHA1

    e82ba07d879af9072eb034cfe204b12d4f6e5de6

  • SHA256

    971b7d00e89d22171896189f44d898401620ebf46e343c2102b306a5e3cd4d85

  • SHA512

    8e35e5bd80a68f27f3b527083de6342f8abf6fc608e0bb7ffedca8400c5f7306bce5e3457053f9918f4ef87984586725f75386f99ed09662a02e99496f1707fe

  • SSDEEP

    49152:0r52aGByXObdJaHN67eZOWnsUC5MKsz9/MQ+3I3QwK:e5x+bdJaHxZOWnsE9/oz

Malware Config

Signatures

  • Ramnit

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

  • 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b446e37b527a4fffd8d9eec94a221f0e.exe
    "C:\Users\Admin\AppData\Local\Temp\b446e37b527a4fffd8d9eec94a221f0e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Users\Admin\AppData\Local\Temp\b446e37b527a4fffd8d9eec94a221f0emgr.exe
      C:\Users\Admin\AppData\Local\Temp\b446e37b527a4fffd8d9eec94a221f0emgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 180
        3⤵
        • Program crash
        PID:2696

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\b446e37b527a4fffd8d9eec94a221f0emgr.exe

          Filesize

          157KB

          MD5

          2ad7467eeceedd64b8bd4f6e04c3cd49

          SHA1

          d6c5d9878dc49ae9b531d61283609e207154a921

          SHA256

          2aab17b2f18dfb70cd737b27b1a438ad8878889070a6e025b3684483054f60c9

          SHA512

          7a647d4a8de90d11cd5afb82ace8354869af0893f28afcf9491d1d4de421315d9a394a5d3462d88c0eff6c5a7a4ed41897d8d0498b59b4b7428ddbb61786be2a

        • \Users\Admin\AppData\Local\Temp\~TM10C3.tmp

          Filesize

          1.2MB

          MD5

          d124f55b9393c976963407dff51ffa79

          SHA1

          2c7bbedd79791bfb866898c85b504186db610b5d

          SHA256

          ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

          SHA512

          278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

        • \Users\Admin\AppData\Local\Temp\~TM10F3.tmp

          Filesize

          1.1MB

          MD5

          9b98d47916ead4f69ef51b56b0c2323c

          SHA1

          290a80b4ded0efc0fd00816f373fcea81a521330

          SHA256

          96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

          SHA512

          68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

        • memory/2060-10-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/2060-15-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/2060-19-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/2424-11-0x0000000000250000-0x0000000000282000-memory.dmp

          Filesize

          200KB

        • memory/2424-9-0x0000000000250000-0x0000000000282000-memory.dmp

          Filesize

          200KB

        • memory/2424-8-0x0000000000400000-0x0000000000683000-memory.dmp

          Filesize

          2.5MB