Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2023 17:46

General

  • Target

    96A3EA4BC09BBA5437EF00C758924CAE.exe

  • Size

    458KB

  • MD5

    96a3ea4bc09bba5437ef00c758924cae

  • SHA1

    0154b6d842f48eb715e11856d3c7f5e92dba9384

  • SHA256

    5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a

  • SHA512

    54cfb4dbffb1e0e0ccdd619af6521f353ee76f92b13557f1a0f521b8e0198637924a3168ec86b8b447070bd50b1d5af0c0a0c6d2ac4c4ca977e3a95459b837ab

  • SSDEEP

    6144:tk5byxHPnZaCHWWjjnnhUNeX0BmHbHTLNMT9wRUMXFLpmEJyMQxVGGGGGGGGHGG3:5xvnZaCHW+nhUNQSwbHFMx0UQtx2b

Malware Config

Extracted

Family

systembc

C2

wprogs.top:4001

leadsoftware.top:4001

Signatures

  • SystemBC

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
    "C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4376
    • C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
      C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
      2⤵
        PID:2264
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:1272
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UnistackSvcGroup
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2412

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2264-12-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

      • memory/2264-15-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

      • memory/2412-60-0x0000018310190000-0x0000018310191000-memory.dmp

        Filesize

        4KB

      • memory/2412-63-0x0000018310190000-0x0000018310191000-memory.dmp

        Filesize

        4KB

      • memory/2412-85-0x00000183103E0000-0x00000183103E1000-memory.dmp

        Filesize

        4KB

      • memory/2412-84-0x00000183102D0000-0x00000183102D1000-memory.dmp

        Filesize

        4KB

      • memory/2412-51-0x0000018310570000-0x0000018310571000-memory.dmp

        Filesize

        4KB

      • memory/2412-83-0x00000183102D0000-0x00000183102D1000-memory.dmp

        Filesize

        4KB

      • memory/2412-81-0x00000183102C0000-0x00000183102C1000-memory.dmp

        Filesize

        4KB

      • memory/2412-52-0x0000018310570000-0x0000018310571000-memory.dmp

        Filesize

        4KB

      • memory/2412-69-0x00000183100C0000-0x00000183100C1000-memory.dmp

        Filesize

        4KB

      • memory/2412-53-0x0000018310570000-0x0000018310571000-memory.dmp

        Filesize

        4KB

      • memory/2412-66-0x0000018310180000-0x0000018310181000-memory.dmp

        Filesize

        4KB

      • memory/2412-57-0x0000018310570000-0x0000018310571000-memory.dmp

        Filesize

        4KB

      • memory/2412-17-0x0000018307E50000-0x0000018307E60000-memory.dmp

        Filesize

        64KB

      • memory/2412-33-0x0000018307F50000-0x0000018307F60000-memory.dmp

        Filesize

        64KB

      • memory/2412-49-0x0000018310540000-0x0000018310541000-memory.dmp

        Filesize

        4KB

      • memory/2412-50-0x0000018310570000-0x0000018310571000-memory.dmp

        Filesize

        4KB

      • memory/2412-61-0x0000018310180000-0x0000018310181000-memory.dmp

        Filesize

        4KB

      • memory/2412-59-0x0000018310570000-0x0000018310571000-memory.dmp

        Filesize

        4KB

      • memory/2412-58-0x0000018310570000-0x0000018310571000-memory.dmp

        Filesize

        4KB

      • memory/2412-54-0x0000018310570000-0x0000018310571000-memory.dmp

        Filesize

        4KB

      • memory/2412-55-0x0000018310570000-0x0000018310571000-memory.dmp

        Filesize

        4KB

      • memory/2412-56-0x0000018310570000-0x0000018310571000-memory.dmp

        Filesize

        4KB

      • memory/4376-9-0x0000000005850000-0x000000000589C000-memory.dmp

        Filesize

        304KB

      • memory/4376-2-0x0000000005AE0000-0x0000000006084000-memory.dmp

        Filesize

        5.6MB

      • memory/4376-3-0x00000000055D0000-0x0000000005662000-memory.dmp

        Filesize

        584KB

      • memory/4376-1-0x0000000074F00000-0x00000000756B0000-memory.dmp

        Filesize

        7.7MB

      • memory/4376-6-0x0000000005670000-0x00000000056B6000-memory.dmp

        Filesize

        280KB

      • memory/4376-16-0x0000000074F00000-0x00000000756B0000-memory.dmp

        Filesize

        7.7MB

      • memory/4376-0-0x0000000000BF0000-0x0000000000C64000-memory.dmp

        Filesize

        464KB

      • memory/4376-10-0x0000000005930000-0x0000000005996000-memory.dmp

        Filesize

        408KB

      • memory/4376-7-0x00000000056B0000-0x00000000056DE000-memory.dmp

        Filesize

        184KB

      • memory/4376-8-0x00000000056E0000-0x000000000570E000-memory.dmp

        Filesize

        184KB

      • memory/4376-5-0x00000000030D0000-0x00000000030DA000-memory.dmp

        Filesize

        40KB

      • memory/4376-4-0x0000000005730000-0x0000000005740000-memory.dmp

        Filesize

        64KB