Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 09:18

General

  • Target

    f6673a3dba538c31b0cead2c4ebb7f1464fba02f74eb62abe5f99f8ea3ba373d.exe

  • Size

    226KB

  • MD5

    340b4bf919417051a77cbdf7e098d940

  • SHA1

    fda65a0ea58995c7be36cfde4de42fec6f3f2a93

  • SHA256

    f6673a3dba538c31b0cead2c4ebb7f1464fba02f74eb62abe5f99f8ea3ba373d

  • SHA512

    a3af7cebd25a8ad335a45ea30004da0661fb186651f9fa8f0a7af4128dcb07eab2896132482bc2a006f6336b11f2756b5d25ee7eb8b5f0aa8184451c3e881555

  • SSDEEP

    3072:jPb1HBz/QVGEB7ZSBYfkVoFdRrqo0aRaA/HF673+UWHIfrvt84NEktOboutoout:1HBz/QVDBNkVsuaRaU6mHGlwboSooS

Score
9/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • UPX packed file 4 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f6673a3dba538c31b0cead2c4ebb7f1464fba02f74eb62abe5f99f8ea3ba373d.exe
    "C:\Users\Admin\AppData\Local\Temp\f6673a3dba538c31b0cead2c4ebb7f1464fba02f74eb62abe5f99f8ea3ba373d.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "C:\Windows\system32\mswinsck.ocx"
      2⤵
      • Loads dropped DLL
      • Modifies registry class
      PID:1664
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\~DFA1702.tmp"
      2⤵
      • Loads dropped DLL
      • Modifies registry class
      PID:1936
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\~DFA7709.tmp"
      2⤵
        PID:1488

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~DFA1702.tmp

      Filesize

      48KB

      MD5

      a51e7255c39c24569932dd108d54744f

      SHA1

      4edf68295874f939b98ccfd2ff2485895f1b4574

      SHA256

      5b7d924e580a9adbbad9c703d40893c8d6fba777d69a6481de2c0a47d63f0958

      SHA512

      85189ce086c3d1ad7bb1dcb742583b7cdf0c379c33175a29832955e0469ed6b4d2a56b3482c006679a01e0f6a6e953b83b88fcfac74b9f42238060e105939eed

    • C:\Windows\SysWOW64\mswinsck.ocx

      Filesize

      105KB

      MD5

      9484c04258830aa3c2f2a70eb041414c

      SHA1

      b242a4fb0e9dcf14cb51dc36027baff9a79cb823

      SHA256

      bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5

      SHA512

      9d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0

    • \Users\Admin\AppData\Local\Temp\~DFA1702.tmp

      Filesize

      48KB

      MD5

      a51e7255c39c24569932dd108d54744f

      SHA1

      4edf68295874f939b98ccfd2ff2485895f1b4574

      SHA256

      5b7d924e580a9adbbad9c703d40893c8d6fba777d69a6481de2c0a47d63f0958

      SHA512

      85189ce086c3d1ad7bb1dcb742583b7cdf0c379c33175a29832955e0469ed6b4d2a56b3482c006679a01e0f6a6e953b83b88fcfac74b9f42238060e105939eed

    • \Windows\SysWOW64\mswinsck.ocx

      Filesize

      105KB

      MD5

      9484c04258830aa3c2f2a70eb041414c

      SHA1

      b242a4fb0e9dcf14cb51dc36027baff9a79cb823

      SHA256

      bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5

      SHA512

      9d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0

    • memory/1660-65-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1660-68-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1664-57-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

      Filesize

      8KB