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Analysis

  • max time kernel
    133s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    24/08/2023, 11:36

General

  • Target

    _abvtsr4_F.ia.dll

  • Size

    66.9MB

  • MD5

    1735da610291af50447c1639fa773e8f

  • SHA1

    45a3fcd4a1825ea016be63bdbd75341c0bc34d2e

  • SHA256

    884fa59a4f7e52d7cafedb3f2db2301b88dc247a27fb58e5cd1475341606c124

  • SHA512

    f26a9f54ac9650b3222eec593de510ebc150f241ead9ee48174956f4425f5a59ac369a1d41e33f4429b6f41961a8cfbc14727170de3ef2c5be7e89e6fbc7e8b9

  • SSDEEP

    196608:Zh6D1KZpeSFfeE4RL953hFfLDW1XGrnWh:QsZ59eE4753PLnrWh

Score
7/10

Malware Config

Signatures

  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\_abvtsr4_F.ia.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:748
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\_abvtsr4_F.ia.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1672
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 648
        3⤵
        • Program crash
        PID:2796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1672-0-0x000000006B760000-0x000000006FA64000-memory.dmp

    Filesize

    67.0MB

  • memory/1672-1-0x000000006B760000-0x000000006FA64000-memory.dmp

    Filesize

    67.0MB

  • memory/1672-2-0x000000006B760000-0x000000006FA64000-memory.dmp

    Filesize

    67.0MB

  • memory/1672-4-0x000000006B760000-0x000000006FA64000-memory.dmp

    Filesize

    67.0MB