Analysis

  • max time kernel
    127s
  • max time network
    137s
  • 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 15:40

General

  • Target

    a2c10b5d95151fefb06479bdf202bbce96a8f0a2db6398b6d4a34d6d2a1784dcexe_JC.dll

  • Size

    6.3MB

  • MD5

    8cf53c2e44bb0ef6483736ded6e4c93b

  • SHA1

    911902a9efba718fb3261d0fd542b30d8b924999

  • SHA256

    a2c10b5d95151fefb06479bdf202bbce96a8f0a2db6398b6d4a34d6d2a1784dc

  • SHA512

    1fb38d945fa58affca97e715175961a3d4222614ceb7850323f3a86371d1fa5c874978eabee26239e1b1ed30ad0a6126fc2151cf135b046dd62d9b173cceb62d

  • SSDEEP

    196608:ccGGWlqs135BTOnlEvLphJKYaoMK0FXZ:/GGiqs1JMuLJjMK2J

Score
10/10

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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2c10b5d95151fefb06479bdf202bbce96a8f0a2db6398b6d4a34d6d2a1784dcexe_JC.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    PID:2172

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2172-134-0x00007FFFD3670000-0x00007FFFD40A9000-memory.dmp

    Filesize

    10.2MB

  • memory/2172-135-0x00007FFFF1AE0000-0x00007FFFF1AE2000-memory.dmp

    Filesize

    8KB

  • memory/2172-133-0x00007FFFF1AD0000-0x00007FFFF1AD2000-memory.dmp

    Filesize

    8KB

  • memory/2172-136-0x00007FFFF1AF0000-0x00007FFFF1AF2000-memory.dmp

    Filesize

    8KB

  • memory/2172-137-0x00007FFFF1210000-0x00007FFFF1212000-memory.dmp

    Filesize

    8KB

  • memory/2172-138-0x00007FFFF1220000-0x00007FFFF1222000-memory.dmp

    Filesize

    8KB

  • memory/2172-139-0x00007FFFEF720000-0x00007FFFEF722000-memory.dmp

    Filesize

    8KB

  • memory/2172-140-0x00007FFFEF730000-0x00007FFFEF732000-memory.dmp

    Filesize

    8KB

  • memory/2172-141-0x00007FFFD3670000-0x00007FFFD40A9000-memory.dmp

    Filesize

    10.2MB