Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-08-2023 09:11

General

  • Target

    11f88c287b501abb341631221d59ef63089baa83faecbf222c3ba618e5f49456.dll

  • Size

    6.4MB

  • MD5

    48514490face0a58cd5ea063e7de28e0

  • SHA1

    ca52f90d5d6995f68bde1daf3900b3854431a3dd

  • SHA256

    11f88c287b501abb341631221d59ef63089baa83faecbf222c3ba618e5f49456

  • SHA512

    d1fdc7b7420f03dc29b9cd447a1235c34dab75b10b977b0d7cc72b429001a79d588d57f5d91165c4aff349313f6d76016ef44899f50963d3d774a97bfdcf1a48

  • SSDEEP

    196608:NZwmQb62Pk1t+w69MCaSuxu70XSUAFTNknuFkJ:TW62Pk1t+JJuI70CbHe

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.

  • Blocklisted process makes network request 1 IoCs
  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\11f88c287b501abb341631221d59ef63089baa83faecbf222c3ba618e5f49456.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    PID:2324

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2324-133-0x00007FFA2B450000-0x00007FFA2B452000-memory.dmp
    Filesize

    8KB

  • memory/2324-135-0x00007FFA0D900000-0x00007FFA0E412000-memory.dmp
    Filesize

    11.1MB

  • memory/2324-134-0x00007FFA2B460000-0x00007FFA2B462000-memory.dmp
    Filesize

    8KB

  • memory/2324-136-0x00007FFA2AA00000-0x00007FFA2AA02000-memory.dmp
    Filesize

    8KB

  • memory/2324-137-0x00007FFA2AA10000-0x00007FFA2AA12000-memory.dmp
    Filesize

    8KB

  • memory/2324-138-0x00007FFA28F40000-0x00007FFA28F42000-memory.dmp
    Filesize

    8KB

  • memory/2324-139-0x00007FFA28F50000-0x00007FFA28F52000-memory.dmp
    Filesize

    8KB

  • memory/2324-141-0x00007FFA0D900000-0x00007FFA0E412000-memory.dmp
    Filesize

    11.1MB

  • memory/2324-140-0x00007FFA2B470000-0x00007FFA2B472000-memory.dmp
    Filesize

    8KB