Analysis

  • max time kernel
    148s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28-01-2024 15:45

General

  • Target

    $PLUGINSDIR/sign.dll

  • Size

    32KB

  • MD5

    d30b6c8d2f38e6abbb2f39bac0808bc0

  • SHA1

    f1bca6416ae0f4c52e5b076381c72b18472954d8

  • SHA256

    1f2b4549129c1b98c5674fe363a0267376dfd623323c5815216043dfa7fe1f2a

  • SHA512

    3bf03d839ffa04c1d5eeb89a6405820ab2eea3548050e730255df7e84dfc729157c0d5c7eceeead5e8e1f4aa23777fe78a5582f0772c85bf0f793dd245a887e8

  • SSDEEP

    768:ciIqw3a6iG3SvsvUccH/ixF5cGIv5pXi:ci23avGCvycH/ifXuc

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sign.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sign.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2312
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 332
        3⤵
        • Program crash
        PID:2788

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2312-0-0x0000000074ED0000-0x0000000074EE7000-memory.dmp

    Filesize

    92KB

  • memory/2312-1-0x0000000074EB0000-0x0000000074EC7000-memory.dmp

    Filesize

    92KB

  • memory/2312-2-0x0000000074ED0000-0x0000000074EE7000-memory.dmp

    Filesize

    92KB

  • memory/2312-3-0x0000000074EB0000-0x0000000074EC7000-memory.dmp

    Filesize

    92KB

  • memory/2312-5-0x0000000074ED0000-0x0000000074EE7000-memory.dmp

    Filesize

    92KB