Analysis

  • max time kernel
    139s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-08-2023 11:36

General

  • Target

    _abvtsr4_F.mdat.dll

  • Size

    7.5MB

  • MD5

    bf39eb2da4f28e2197431cd79124a084

  • SHA1

    f6360561ea18fc25ad59974c068778510f569a38

  • SHA256

    da9c04a0aca9e409afc8d61a052834878de7d0fc6a58bcfc1feffa3fca77d8d6

  • SHA512

    788ec679c77f08bf8d52ec48b64003269abde2c075d2dd85958a5c988faf7438cb7371c6eae4ab6e3633647ce2fe9cd2f0707f7a393218d55020ec99ee5d814c

  • SSDEEP

    98304:5HSrVU6Vx6saXmSZYne3/xJLp+gQqVnscZh51Xa33:5HqUBnscZo

Score
7/10

Malware Config

Signatures

  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\_abvtsr4_F.mdat.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\_abvtsr4_F.mdat.dll,#1
      2⤵
        PID:5028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5028 -s 712
          3⤵
          • Program crash
          PID:4704
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 5028 -ip 5028
      1⤵
        PID:1108

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/5028-0-0x0000000074310000-0x0000000074AA1000-memory.dmp

        Filesize

        7.6MB

      • memory/5028-1-0x0000000074310000-0x0000000074AA1000-memory.dmp

        Filesize

        7.6MB

      • memory/5028-2-0x0000000074310000-0x0000000074AA1000-memory.dmp

        Filesize

        7.6MB