Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    12-08-2023 16:23

General

  • Target

    d0861b2aed04474e7e0f524c0cf6f8495494fc509b0fb8dc94d89dd1dcbacc5e_JC.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 2 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0861b2aed04474e7e0f524c0cf6f8495494fc509b0fb8dc94d89dd1dcbacc5e_JC.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    PID:2112

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2112-54-0x0000000077570000-0x0000000077572000-memory.dmp

    Filesize

    8KB

  • memory/2112-57-0x0000000077570000-0x0000000077572000-memory.dmp

    Filesize

    8KB

  • memory/2112-56-0x000007FEF4D40000-0x000007FEF5797000-memory.dmp

    Filesize

    10.3MB

  • memory/2112-59-0x0000000077570000-0x0000000077572000-memory.dmp

    Filesize

    8KB

  • memory/2112-60-0x0000000077580000-0x0000000077582000-memory.dmp

    Filesize

    8KB

  • memory/2112-62-0x0000000077580000-0x0000000077582000-memory.dmp

    Filesize

    8KB

  • memory/2112-64-0x0000000077580000-0x0000000077582000-memory.dmp

    Filesize

    8KB

  • memory/2112-65-0x0000000077590000-0x0000000077592000-memory.dmp

    Filesize

    8KB

  • memory/2112-67-0x0000000077590000-0x0000000077592000-memory.dmp

    Filesize

    8KB

  • memory/2112-69-0x0000000077590000-0x0000000077592000-memory.dmp

    Filesize

    8KB

  • memory/2112-70-0x00000000775A0000-0x00000000775A2000-memory.dmp

    Filesize

    8KB

  • memory/2112-72-0x00000000775A0000-0x00000000775A2000-memory.dmp

    Filesize

    8KB

  • memory/2112-74-0x00000000775A0000-0x00000000775A2000-memory.dmp

    Filesize

    8KB

  • memory/2112-77-0x000007FEFD2D0000-0x000007FEFD2D2000-memory.dmp

    Filesize

    8KB

  • memory/2112-79-0x000007FEFD2D0000-0x000007FEFD2D2000-memory.dmp

    Filesize

    8KB

  • memory/2112-82-0x000007FEFD2E0000-0x000007FEFD2E2000-memory.dmp

    Filesize

    8KB

  • memory/2112-84-0x000007FEFD2E0000-0x000007FEFD2E2000-memory.dmp

    Filesize

    8KB

  • memory/2112-85-0x00000000775B0000-0x00000000775B2000-memory.dmp

    Filesize

    8KB

  • memory/2112-87-0x00000000775B0000-0x00000000775B2000-memory.dmp

    Filesize

    8KB

  • memory/2112-90-0x00000000773C0000-0x0000000077569000-memory.dmp

    Filesize

    1.7MB

  • memory/2112-89-0x00000000775B0000-0x00000000775B2000-memory.dmp

    Filesize

    8KB

  • memory/2112-91-0x000007FEF4D40000-0x000007FEF5797000-memory.dmp

    Filesize

    10.3MB

  • memory/2112-92-0x00000000773C0000-0x0000000077569000-memory.dmp

    Filesize

    1.7MB