Analysis

  • max time kernel
    128s
  • max time network
    137s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04-08-2023 19:41

General

  • Target

    d0861b2aed04474e7e0f524c0cf6f8495494fc509b0fb8dc94d89dd1dcbacc5e.dll

  • Size

    5.8MB

  • MD5

    bb4e3b588aedce8e203361b0879d9113

  • SHA1

    1b7161fe8b076b9bd5eea6652a5b7f9e329b242e

  • SHA256

    d0861b2aed04474e7e0f524c0cf6f8495494fc509b0fb8dc94d89dd1dcbacc5e

  • SHA512

    53f1df93fa7868a215aae133c528eb0d4f32a1404909dbd836ae21fdc0d53ad56e6ac03ffea8948898cb6ff98f8cf23bebc84a1488e6dc4ea162ab34aeb45ea9

  • SSDEEP

    98304:hqxMdwv65XzQ7bbf2ptVi58VQV6mS+O17/8s7WUpi7epveUN97lU0EpE7rbTgQ:MSKStQ72pPVA6L+DsqwiBsuaX

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\d0861b2aed04474e7e0f524c0cf6f8495494fc509b0fb8dc94d89dd1dcbacc5e.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    PID:1544

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1544-121-0x00007FFD6D950000-0x00007FFD6D952000-memory.dmp
    Filesize

    8KB

  • memory/1544-120-0x00007FFD6D940000-0x00007FFD6D942000-memory.dmp
    Filesize

    8KB

  • memory/1544-123-0x00007FFD6D960000-0x00007FFD6D962000-memory.dmp
    Filesize

    8KB

  • memory/1544-122-0x00007FFD610C0000-0x00007FFD61B17000-memory.dmp
    Filesize

    10.3MB

  • memory/1544-124-0x00007FFD6D970000-0x00007FFD6D972000-memory.dmp
    Filesize

    8KB

  • memory/1544-125-0x00007FFD6A890000-0x00007FFD6A892000-memory.dmp
    Filesize

    8KB

  • memory/1544-126-0x00007FFD6A8A0000-0x00007FFD6A8A2000-memory.dmp
    Filesize

    8KB

  • memory/1544-128-0x00007FFD6D980000-0x00007FFD6D982000-memory.dmp
    Filesize

    8KB

  • memory/1544-129-0x00007FFD610C0000-0x00007FFD61B17000-memory.dmp
    Filesize

    10.3MB