Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    03-08-2023 20:50

General

  • Target

    85f8ed9c9f364b28d64e94075896df07.dll

  • Size

    5.8MB

  • MD5

    85f8ed9c9f364b28d64e94075896df07

  • SHA1

    bc4d807af87e7c0b274b8d4661183e1628de78f7

  • SHA256

    3c259a269cfbb752ca15046aca1bea4a31390e4674de632c5c9428e95b41db1d

  • SHA512

    2472b9db9872e0f74d59a75870f5d67c3daf5f99687538acb2e307e4e5bb3cb01ce7aec28fe911cfc4d77516b5aeaf477acaf7230723fb3d9b6fe1434eb07ae7

  • SSDEEP

    98304:zikl1o/34cA08Fu4fZBgNL7bQMla48Llu8EAANISPatiDySc3L4uQbR:DFbRm/QMcu8qn4r5K

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\85f8ed9c9f364b28d64e94075896df07.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    PID:2000

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2000-55-0x000007FEF52A0000-0x000007FEF5C68000-memory.dmp
    Filesize

    9.8MB

  • memory/2000-54-0x00000000777A0000-0x00000000777A2000-memory.dmp
    Filesize

    8KB

  • memory/2000-57-0x00000000777A0000-0x00000000777A2000-memory.dmp
    Filesize

    8KB

  • memory/2000-59-0x00000000777A0000-0x00000000777A2000-memory.dmp
    Filesize

    8KB

  • memory/2000-60-0x00000000777B0000-0x00000000777B2000-memory.dmp
    Filesize

    8KB

  • memory/2000-62-0x00000000777B0000-0x00000000777B2000-memory.dmp
    Filesize

    8KB

  • memory/2000-64-0x00000000777B0000-0x00000000777B2000-memory.dmp
    Filesize

    8KB

  • memory/2000-65-0x00000000777C0000-0x00000000777C2000-memory.dmp
    Filesize

    8KB

  • memory/2000-67-0x00000000777C0000-0x00000000777C2000-memory.dmp
    Filesize

    8KB

  • memory/2000-69-0x00000000777C0000-0x00000000777C2000-memory.dmp
    Filesize

    8KB

  • memory/2000-70-0x00000000777D0000-0x00000000777D2000-memory.dmp
    Filesize

    8KB

  • memory/2000-72-0x00000000777D0000-0x00000000777D2000-memory.dmp
    Filesize

    8KB

  • memory/2000-74-0x00000000777D0000-0x00000000777D2000-memory.dmp
    Filesize

    8KB

  • memory/2000-77-0x000007FEFD710000-0x000007FEFD712000-memory.dmp
    Filesize

    8KB

  • memory/2000-79-0x000007FEFD710000-0x000007FEFD712000-memory.dmp
    Filesize

    8KB

  • memory/2000-82-0x000007FEFD720000-0x000007FEFD722000-memory.dmp
    Filesize

    8KB

  • memory/2000-84-0x000007FEFD720000-0x000007FEFD722000-memory.dmp
    Filesize

    8KB

  • memory/2000-85-0x00000000777E0000-0x00000000777E2000-memory.dmp
    Filesize

    8KB

  • memory/2000-87-0x00000000777E0000-0x00000000777E2000-memory.dmp
    Filesize

    8KB

  • memory/2000-89-0x00000000777E0000-0x00000000777E2000-memory.dmp
    Filesize

    8KB

  • memory/2000-90-0x000007FEF52A0000-0x000007FEF5C68000-memory.dmp
    Filesize

    9.8MB

  • memory/2000-91-0x00000000775F0000-0x0000000077799000-memory.dmp
    Filesize

    1.7MB

  • memory/2000-92-0x00000000775F0000-0x0000000077799000-memory.dmp
    Filesize

    1.7MB