Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-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 2 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:1964

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1964-54-0x00000000775F0000-0x00000000775F2000-memory.dmp

    Filesize

    8KB

  • memory/1964-56-0x000007FEF4D70000-0x000007FEF573A000-memory.dmp

    Filesize

    9.8MB

  • memory/1964-57-0x00000000775F0000-0x00000000775F2000-memory.dmp

    Filesize

    8KB

  • memory/1964-59-0x00000000775F0000-0x00000000775F2000-memory.dmp

    Filesize

    8KB

  • memory/1964-60-0x0000000077600000-0x0000000077602000-memory.dmp

    Filesize

    8KB

  • memory/1964-62-0x0000000077600000-0x0000000077602000-memory.dmp

    Filesize

    8KB

  • memory/1964-64-0x0000000077600000-0x0000000077602000-memory.dmp

    Filesize

    8KB

  • memory/1964-65-0x0000000077610000-0x0000000077612000-memory.dmp

    Filesize

    8KB

  • memory/1964-69-0x0000000077610000-0x0000000077612000-memory.dmp

    Filesize

    8KB

  • memory/1964-67-0x0000000077610000-0x0000000077612000-memory.dmp

    Filesize

    8KB

  • memory/1964-70-0x0000000077620000-0x0000000077622000-memory.dmp

    Filesize

    8KB

  • memory/1964-72-0x0000000077620000-0x0000000077622000-memory.dmp

    Filesize

    8KB

  • memory/1964-74-0x0000000077620000-0x0000000077622000-memory.dmp

    Filesize

    8KB

  • memory/1964-77-0x000007FEFD4B0000-0x000007FEFD4B2000-memory.dmp

    Filesize

    8KB

  • memory/1964-79-0x000007FEFD4B0000-0x000007FEFD4B2000-memory.dmp

    Filesize

    8KB

  • memory/1964-82-0x000007FEFD4C0000-0x000007FEFD4C2000-memory.dmp

    Filesize

    8KB

  • memory/1964-84-0x000007FEFD4C0000-0x000007FEFD4C2000-memory.dmp

    Filesize

    8KB

  • memory/1964-85-0x0000000077630000-0x0000000077632000-memory.dmp

    Filesize

    8KB

  • memory/1964-87-0x0000000077630000-0x0000000077632000-memory.dmp

    Filesize

    8KB

  • memory/1964-89-0x0000000077630000-0x0000000077632000-memory.dmp

    Filesize

    8KB

  • memory/1964-90-0x0000000077440000-0x00000000775E9000-memory.dmp

    Filesize

    1.7MB

  • memory/1964-91-0x000007FEF4D70000-0x000007FEF573A000-memory.dmp

    Filesize

    9.8MB

  • memory/1964-92-0x0000000077440000-0x00000000775E9000-memory.dmp

    Filesize

    1.7MB