Analysis

  • max time kernel
    91s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-01-2024 09:50

General

  • Target

    b11ca3afb312497def62137c155fce087b6085354f5751ea41dba15a4c0e8236.dll

  • Size

    884KB

  • MD5

    b6cecaa9ef25334052e5c1816368f08d

  • SHA1

    6531c3d31b9cc638aa1f471b1c1215124eda01c5

  • SHA256

    9818c22145ce8ad52f9bf59a5f82947f21b98aff32e18db26caa37706274109d

  • SHA512

    9dd1c59b0503cc0cf8d5510b2acab112fbd7134bae2502563d40ce9041b979309fac6207c08f50ae6a34adfbd066d7e1ac3254281476b5082b204098bce2f330

  • SSDEEP

    6144:/qMmee6ICfPQAX5/6HVtDA6ZZ61S5CkxLsA6HeQy3RVcPIiz543K9Hkfu:iMSbCfIHkUs1SFxLshHAIG3Amu

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 3 IoCs

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

  • Program crash 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b11ca3afb312497def62137c155fce087b6085354f5751ea41dba15a4c0e8236.dll,#1
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4328
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 644
      2⤵
      • Program crash
      PID:4716
  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b11ca3afb312497def62137c155fce087b6085354f5751ea41dba15a4c0e8236.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4072
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4328 -ip 4328
    1⤵
      PID:4924

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4328-0-0x0000000010000000-0x0000000010038000-memory.dmp

      Filesize

      224KB

    • memory/4328-2-0x0000000010000000-0x0000000010038000-memory.dmp

      Filesize

      224KB

    • memory/4328-1-0x0000000010000000-0x0000000010038000-memory.dmp

      Filesize

      224KB