Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    13/01/2024, 17:32

General

  • Target

    594d2bc0987005c451cf6746252fe184.dll

  • Size

    115KB

  • MD5

    594d2bc0987005c451cf6746252fe184

  • SHA1

    ab227b02dc40e7ef8684a323463888b52b9a6ae5

  • SHA256

    4ef7332ffe5ca1a17764428c389eaef01d7c93932f73e68707876d31dcbdfc86

  • SHA512

    d978e3f783712597f383a5554f23b03c0e34c64a991e860ca4d3ac8357b442fe6f9326bb64bcb981917ab0a2747ef85463042dc6e3cd6f19c9a53918ffeac5a3

  • SSDEEP

    1536:MGe8thcV9/Ox3RUXQZeS+4oCARrg2dJjscsShtb:Jeic5Ox3RSQZeS+4HA5gMrL

Score
8/10

Malware Config

Signatures

  • Stops running service(s) 3 TTPs
  • UPX packed file 3 IoCs

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

  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\594d2bc0987005c451cf6746252fe184.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\594d2bc0987005c451cf6746252fe184.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2816
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe import "C:\Users\Admin\mnvt.avi"
        3⤵
          PID:1948
        • C:\Windows\SysWOW64\sc.exe
          C:\Windows\System32\sc.exe config PolicyAgent start=auto
          3⤵
          • Launches sc.exe
          PID:2964
        • C:\Windows\SysWOW64\sc.exe
          C:\Windows\System32\sc.exe stop PolicyAgent
          3⤵
          • Launches sc.exe
          PID:2532
        • C:\Windows\SysWOW64\sc.exe
          C:\Windows\System32\sc.exe start PolicyAgent
          3⤵
          • Launches sc.exe
          PID:2596
        • C:\Windows\SysWOW64\sc.exe
          C:\Windows\System32\sc.exe stop PolicyAgent
          3⤵
          • Launches sc.exe
          PID:2676

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\mnvt.avi

            Filesize

            56KB

            MD5

            bc8025bc98da7f4ed891c9f9991d3ff1

            SHA1

            70a69a7fcebe9b43f00a1fa713e3a0621bf3ac6d

            SHA256

            59b9dc39d69f8b0aa350f550e42e632b396237865776d0ce75477f8fe3f9016f

            SHA512

            7f772261e003d2df9162ae4aeaab2bda674ee2721b3300cc8b2a2f4904af6bc9c565c7f2c3e67a7394eb1a387860a2544fc5bdc3e6de384b664f8d232ad6acf5

          • memory/2816-0-0x0000000000400000-0x000000000041F000-memory.dmp

            Filesize

            124KB

          • memory/2816-1-0x0000000000400000-0x000000000041F000-memory.dmp

            Filesize

            124KB

          • memory/2816-13-0x0000000000400000-0x000000000041F000-memory.dmp

            Filesize

            124KB