Analysis

  • max time kernel
    81s
  • max time network
    88s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/06/2023, 13:00

General

  • Target
    1332-55-0x000007FEF61C0000-0x000007FEF66F2000-memory.dll
  • Size 5.2MB
  • Sample230623-p8s8daeh65
  • SHA256 7b13d5cea1797ed426be734ac146c7d07eccc743ab41ee2be7134f73a6905836
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • systembc

C2
  • 5.42.65.67:4298

  • localhost.exchange:4298

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Program crash 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1332-55-0x000007FEF61C0000-0x000007FEF66F2000-memory.dll,#1
    1⤵
      PID:4988
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 4988 -s 240
        2⤵
        • Program crash
        PID:4652
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 436 -p 4988 -ip 4988
      1⤵
        PID:4772

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            memory/4988-133-0x00007FF94F7B0000-0x00007FF94FCE2000-memory.dmp