Analysis

  • max time kernel
    125s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03-08-2023 20:11

General

  • Target

    3c259a269cfbb752ca15046aca1bea4a31390e4674de632c5c9428e95b41db1d.dll

  • Size

    5.8MB

  • MD5

    85f8ed9c9f364b28d64e94075896df07

  • SHA1

    bc4d807af87e7c0b274b8d4661183e1628de78f7

  • SHA256

    3c259a269cfbb752ca15046aca1bea4a31390e4674de632c5c9428e95b41db1d

  • SHA512

    2472b9db9872e0f74d59a75870f5d67c3daf5f99687538acb2e307e4e5bb3cb01ce7aec28fe911cfc4d77516b5aeaf477acaf7230723fb3d9b6fe1434eb07ae7

  • SSDEEP

    98304:zikl1o/34cA08Fu4fZBgNL7bQMla48Llu8EAANISPatiDySc3L4uQbR:DFbRm/QMcu8qn4r5K

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\3c259a269cfbb752ca15046aca1bea4a31390e4674de632c5c9428e95b41db1d.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    PID:376

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/376-123-0x00007FFD6FE10000-0x00007FFD707D8000-memory.dmp
    Filesize

    9.8MB

  • memory/376-124-0x00007FFD8BBF0000-0x00007FFD8BBF2000-memory.dmp
    Filesize

    8KB

  • memory/376-122-0x00007FFD8BBE0000-0x00007FFD8BBE2000-memory.dmp
    Filesize

    8KB

  • memory/376-125-0x00007FFD892C0000-0x00007FFD892C2000-memory.dmp
    Filesize

    8KB

  • memory/376-126-0x00007FFD892D0000-0x00007FFD892D2000-memory.dmp
    Filesize

    8KB

  • memory/376-127-0x00007FFD88EF0000-0x00007FFD88EF2000-memory.dmp
    Filesize

    8KB

  • memory/376-128-0x00007FFD88F00000-0x00007FFD88F02000-memory.dmp
    Filesize

    8KB

  • memory/376-131-0x00007FFD6FE10000-0x00007FFD707D8000-memory.dmp
    Filesize

    9.8MB

  • memory/376-130-0x00007FFD8BC00000-0x00007FFD8BC02000-memory.dmp
    Filesize

    8KB