Analysis

  • max time kernel
    141s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    05-11-2023 11:49

General

  • Target

    4bd162ddd32e30e88fdc6026a0c7500589cb7c04ce05ec4ed6748fa79a4f20ff.dll

  • Size

    1.7MB

  • MD5

    67cdb1df99de654315566e738621867d

  • SHA1

    4b1f8a0e4e9811233d360ca634eccfd59c6ba8fd

  • SHA256

    4bd162ddd32e30e88fdc6026a0c7500589cb7c04ce05ec4ed6748fa79a4f20ff

  • SHA512

    fa8ae409ff9f2400499199933a61069099e5cc1a23df13ee07661b92ad0ae91e67d23d3233bdc61c4b206fa3771283840dd39876cead7386c60817ed4cf90363

  • SSDEEP

    49152:MdZIyW2XRosXxsBD+Jb3+1DXBnOBnQBYut6aFiuMcNglw9dN:mbW2h8I+1DXBOlEt60iuMcNglSdN

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 5 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4bd162ddd32e30e88fdc6026a0c7500589cb7c04ce05ec4ed6748fa79a4f20ff.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4bd162ddd32e30e88fdc6026a0c7500589cb7c04ce05ec4ed6748fa79a4f20ff.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1276
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1276 -s 340
        3⤵
        • Program crash
        PID:1992

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1276-0-0x0000000010000000-0x00000000104FB000-memory.dmp

    Filesize

    5.0MB

  • memory/1276-1-0x0000000010000000-0x00000000104FB000-memory.dmp

    Filesize

    5.0MB

  • memory/1276-2-0x0000000010000000-0x00000000104FB000-memory.dmp

    Filesize

    5.0MB

  • memory/1276-4-0x0000000010000000-0x00000000104FB000-memory.dmp

    Filesize

    5.0MB

  • memory/1276-6-0x0000000010000000-0x00000000104FB000-memory.dmp

    Filesize

    5.0MB