Analysis

  • max time kernel
    138s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-08-2023 19:13

General

  • Target

    7b20822375127aaf2c2ec9d1f07a3007.dll

  • Size

    5.8MB

  • MD5

    7b20822375127aaf2c2ec9d1f07a3007

  • SHA1

    c6cc2246cb5fd04ea80c1256ceec10268b876a89

  • SHA256

    3bc9a13ed11a0da691a2b97ddd52168dbead463fd5371916a1d574184c422a3c

  • SHA512

    e7a843db7276164ea677ee04efcd35c2bc1c47b5c7916d32cdd2c1cf372b00b8541716875675afd56ad19536dd9f990050c4fdc5ea9c78d09476700310912f07

  • SSDEEP

    98304:emB1kJ62BWOtIR7AzNS3mVmh/sxWruL0UUXoiEjCQYSRyEK0Upg328Vu2L8IooE:ekKI2BFBS3m0h/P/S2QYwyE13l4w5o

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\7b20822375127aaf2c2ec9d1f07a3007.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    PID:1404

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1404-136-0x00007FFA57D90000-0x00007FFA58761000-memory.dmp

    Filesize

    9.8MB

  • memory/1404-137-0x00007FFA75C10000-0x00007FFA75C12000-memory.dmp

    Filesize

    8KB

  • memory/1404-138-0x00007FFA75C20000-0x00007FFA75C22000-memory.dmp

    Filesize

    8KB

  • memory/1404-139-0x00007FFA75670000-0x00007FFA75672000-memory.dmp

    Filesize

    8KB

  • memory/1404-140-0x00007FFA75680000-0x00007FFA75682000-memory.dmp

    Filesize

    8KB

  • memory/1404-141-0x00007FFA73560000-0x00007FFA73562000-memory.dmp

    Filesize

    8KB

  • memory/1404-142-0x00007FFA73570000-0x00007FFA73572000-memory.dmp

    Filesize

    8KB

  • memory/1404-144-0x00007FFA75C30000-0x00007FFA75C32000-memory.dmp

    Filesize

    8KB

  • memory/1404-145-0x00007FFA57D90000-0x00007FFA58761000-memory.dmp

    Filesize

    9.8MB