Analysis

  • max time kernel
    155s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2022 00:59

General

  • Target

    99e4cdcecca54884789080bf8267d9499cd3de189236190ec24b41c273de4ec0.dll

  • Size

    34KB

  • MD5

    c0c54b0e26c68711f1caafb3bcac215f

  • SHA1

    4fe2cbbab496293ad4c2a2de9bab7d97d789dfa7

  • SHA256

    99e4cdcecca54884789080bf8267d9499cd3de189236190ec24b41c273de4ec0

  • SHA512

    0ba75240b37a105ad2365545651672156de2b432a4462407d8ef8626ffe59e27911c5e51d8f3ee0a14f0fae1d38110ce5f36120e83ccd4569fad9fa8fcac00f6

  • SSDEEP

    768:1geUxHpbt4Vw3N0e2YkDVjK4trS2x7SoI/9WOBw61PafhCnbcuyD7UAfa:1xUHt4Vwd0nYSZJko6FC4nouy8Afa

Score
9/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • UPX packed file 5 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\99e4cdcecca54884789080bf8267d9499cd3de189236190ec24b41c273de4ec0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4292
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\99e4cdcecca54884789080bf8267d9499cd3de189236190ec24b41c273de4ec0.dll,#1
      2⤵
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32 "C:\Windows\msisue.dll",_RunAs@16
        3⤵
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        PID:3328

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\msisue.dll

    Filesize

    34KB

    MD5

    c0c54b0e26c68711f1caafb3bcac215f

    SHA1

    4fe2cbbab496293ad4c2a2de9bab7d97d789dfa7

    SHA256

    99e4cdcecca54884789080bf8267d9499cd3de189236190ec24b41c273de4ec0

    SHA512

    0ba75240b37a105ad2365545651672156de2b432a4462407d8ef8626ffe59e27911c5e51d8f3ee0a14f0fae1d38110ce5f36120e83ccd4569fad9fa8fcac00f6

  • C:\Windows\msisue.dll

    Filesize

    34KB

    MD5

    c0c54b0e26c68711f1caafb3bcac215f

    SHA1

    4fe2cbbab496293ad4c2a2de9bab7d97d789dfa7

    SHA256

    99e4cdcecca54884789080bf8267d9499cd3de189236190ec24b41c273de4ec0

    SHA512

    0ba75240b37a105ad2365545651672156de2b432a4462407d8ef8626ffe59e27911c5e51d8f3ee0a14f0fae1d38110ce5f36120e83ccd4569fad9fa8fcac00f6

  • memory/2064-132-0x0000000000000000-mapping.dmp

  • memory/2064-133-0x0000000010000000-0x000000001001E000-memory.dmp

    Filesize

    120KB

  • memory/2064-138-0x0000000010000000-0x000000001001E000-memory.dmp

    Filesize

    120KB

  • memory/3328-134-0x0000000000000000-mapping.dmp

  • memory/3328-137-0x0000000010000000-0x000000001001E000-memory.dmp

    Filesize

    120KB