Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2023 16:45

General

  • Target

    b1da22324541e3de280c13160289986a.exe

  • Size

    444KB

  • MD5

    b1da22324541e3de280c13160289986a

  • SHA1

    71786d8fa931c49e942bfe428aade8a15231852b

  • SHA256

    91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f

  • SHA512

    a04c5c9f40a6f42c659a8b5056e2d89f0d96175cd0aa76fa875a666abc91dfd52beec4bef471351ee070233b2a7ca97395e1981fb1dbf31da7ccbcdad251e513

  • SSDEEP

    6144:Yv4pofbY8quKmfO0TaCaNNqB13O2/b8spTqC5hTxQ/u8JjFWG2:Yv4p7xPm2B9KfTxUu8JjFg

Score
10/10

Malware Config

Extracted

Family

systembc

C2

mxstat215dm.xyz:4044

mxstex725dm.xyz:4044

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1da22324541e3de280c13160289986a.exe
    "C:\Users\Admin\AppData\Local\Temp\b1da22324541e3de280c13160289986a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3628
    • C:\Users\Admin\AppData\Local\Temp\b1da22324541e3de280c13160289986a.exe
      "C:\Users\Admin\AppData\Local\Temp\b1da22324541e3de280c13160289986a.exe"
      2⤵
        PID:3616

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3616-14-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/3616-16-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/3616-15-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/3628-8-0x0000000005BA0000-0x0000000005BB0000-memory.dmp

      Filesize

      64KB

    • memory/3628-10-0x00000000093D0000-0x00000000093D6000-memory.dmp

      Filesize

      24KB

    • memory/3628-5-0x0000000005BA0000-0x0000000005BB0000-memory.dmp

      Filesize

      64KB

    • memory/3628-6-0x0000000005870000-0x000000000587A000-memory.dmp

      Filesize

      40KB

    • memory/3628-7-0x00000000090D0000-0x0000000009112000-memory.dmp

      Filesize

      264KB

    • memory/3628-0-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3628-9-0x0000000009280000-0x000000000929A000-memory.dmp

      Filesize

      104KB

    • memory/3628-4-0x0000000005960000-0x00000000059FC000-memory.dmp

      Filesize

      624KB

    • memory/3628-11-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3628-12-0x0000000005BA0000-0x0000000005BB0000-memory.dmp

      Filesize

      64KB

    • memory/3628-13-0x0000000005BA0000-0x0000000005BB0000-memory.dmp

      Filesize

      64KB

    • memory/3628-3-0x00000000058C0000-0x0000000005952000-memory.dmp

      Filesize

      584KB

    • memory/3628-2-0x0000000005DD0000-0x0000000006374000-memory.dmp

      Filesize

      5.6MB

    • memory/3628-1-0x0000000000A40000-0x0000000000AB6000-memory.dmp

      Filesize

      472KB

    • memory/3628-18-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB