Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2023 17:45

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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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:4940
    • C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
      C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
      2⤵
        PID:5000

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4940-6-0x00000000059B0000-0x00000000059F6000-memory.dmp

      Filesize

      280KB

    • memory/4940-8-0x0000000005C60000-0x0000000005C8E000-memory.dmp

      Filesize

      184KB

    • memory/4940-2-0x0000000005F10000-0x00000000064B4000-memory.dmp

      Filesize

      5.6MB

    • memory/4940-3-0x0000000005A00000-0x0000000005A92000-memory.dmp

      Filesize

      584KB

    • memory/4940-4-0x0000000005B60000-0x0000000005B70000-memory.dmp

      Filesize

      64KB

    • memory/4940-5-0x00000000059A0000-0x00000000059AA000-memory.dmp

      Filesize

      40KB

    • memory/4940-1-0x0000000000F10000-0x0000000000F84000-memory.dmp

      Filesize

      464KB

    • memory/4940-7-0x0000000005B10000-0x0000000005B3E000-memory.dmp

      Filesize

      184KB

    • memory/4940-0-0x00000000743E0000-0x0000000074B90000-memory.dmp

      Filesize

      7.7MB

    • memory/4940-9-0x0000000005CC0000-0x0000000005D0C000-memory.dmp

      Filesize

      304KB

    • memory/4940-10-0x0000000005DA0000-0x0000000005E06000-memory.dmp

      Filesize

      408KB

    • memory/4940-17-0x00000000743E0000-0x0000000074B90000-memory.dmp

      Filesize

      7.7MB

    • memory/4940-16-0x00000000743E0000-0x0000000074B90000-memory.dmp

      Filesize

      7.7MB

    • memory/5000-14-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/5000-12-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB