Analysis

  • max time kernel
    141s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

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

General

  • Target

    e3fe0be8cd50ca837069bc2564ab0532.dll

  • Size

    5.8MB

  • MD5

    e3fe0be8cd50ca837069bc2564ab0532

  • SHA1

    05e41077b6ebefe2fc34b03055f8c5b31cff1664

  • SHA256

    ede84803bface8bb45d2f293d8766f6099dab30b1f2d74207398835ff255e385

  • SHA512

    7fd879b48873530aa3d1933e537f99f53909fc3604da6cc88388e51e560b5aecbe31801f3daf2096c190f7c8e1b878e3566874c2e1f937254cbf8a59654e7497

  • SSDEEP

    98304:QrsZ8pbhGL9G900NEOrx0i5P4GzmJPLYJZLKU9Q+Rg8gvUbgQw3/5cU6mWL:QawGMvrui5VWUDLKUe+yN5Qy5cH

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\e3fe0be8cd50ca837069bc2564ab0532.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    PID:2100

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2100-133-0x00007FFA9EFB0000-0x00007FFA9EFB2000-memory.dmp

    Filesize

    8KB

  • memory/2100-135-0x00007FFA815A0000-0x00007FFA81F6A000-memory.dmp

    Filesize

    9.8MB

  • memory/2100-134-0x00007FFA9EFC0000-0x00007FFA9EFC2000-memory.dmp

    Filesize

    8KB

  • memory/2100-136-0x00007FFA9DC70000-0x00007FFA9DC72000-memory.dmp

    Filesize

    8KB

  • memory/2100-137-0x00007FFA9DCF0000-0x00007FFA9DCF2000-memory.dmp

    Filesize

    8KB

  • memory/2100-138-0x00007FFA9C800000-0x00007FFA9C802000-memory.dmp

    Filesize

    8KB

  • memory/2100-139-0x00007FFA9C810000-0x00007FFA9C812000-memory.dmp

    Filesize

    8KB

  • memory/2100-140-0x00007FFA9EFD0000-0x00007FFA9EFD2000-memory.dmp

    Filesize

    8KB

  • memory/2100-142-0x00007FFA815A0000-0x00007FFA81F6A000-memory.dmp

    Filesize

    9.8MB

  • memory/2100-143-0x0000022360410000-0x0000022360525000-memory.dmp

    Filesize

    1.1MB