Analysis

  • max time kernel
    140s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 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:5000
    • C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
      C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
      2⤵
        PID:2044
      • C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
        C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
        2⤵
          PID:2672

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2672-12-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

      • memory/2672-15-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

      • memory/5000-7-0x00000000055E0000-0x000000000560E000-memory.dmp

        Filesize

        184KB

      • memory/5000-3-0x0000000005390000-0x0000000005422000-memory.dmp

        Filesize

        584KB

      • memory/5000-4-0x0000000005330000-0x0000000005340000-memory.dmp

        Filesize

        64KB

      • memory/5000-6-0x00000000054A0000-0x00000000054E6000-memory.dmp

        Filesize

        280KB

      • memory/5000-1-0x0000000074FA0000-0x0000000075750000-memory.dmp

        Filesize

        7.7MB

      • memory/5000-5-0x0000000005370000-0x000000000537A000-memory.dmp

        Filesize

        40KB

      • memory/5000-9-0x0000000005690000-0x00000000056DC000-memory.dmp

        Filesize

        304KB

      • memory/5000-8-0x0000000005630000-0x000000000565E000-memory.dmp

        Filesize

        184KB

      • memory/5000-10-0x0000000005770000-0x00000000057D6000-memory.dmp

        Filesize

        408KB

      • memory/5000-2-0x0000000005AA0000-0x0000000006044000-memory.dmp

        Filesize

        5.6MB

      • memory/5000-0-0x00000000008F0000-0x0000000000964000-memory.dmp

        Filesize

        464KB

      • memory/5000-16-0x0000000074FA0000-0x0000000075750000-memory.dmp

        Filesize

        7.7MB