Analysis

  • max time kernel
    132s
  • max time network
    256s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    06-03-2023 04:54

General

  • Target

    f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe

  • Size

    6.6MB

  • MD5

    d086940618bcc604f2d17c141f47ae49

  • SHA1

    0efa810ab7e78a1ddf00cd3d2abd43b9be2eb837

  • SHA256

    f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729

  • SHA512

    9e4e02bb56580bb55a208f68204860fe64617537b4450cc5b513c14cacec17ca80a58f432a98c4a9bf2d38014c4826e6e17a5cf919638ac2e4bc823507af2e04

  • SSDEEP

    196608:O3mUa51xxehaJ9a1m2asYgqnsKmQUcuJOkoDCNztN:O233xxEaLOYnsKmxQpE3

Malware Config

Extracted

Family

systembc

C2

79.137.203.32:4289

194.87.111.29:4289

Signatures

  • SystemBC

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe
    "C:\Users\Admin\AppData\Local\Temp\f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:3600

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3600-119-0x00000000001F0000-0x00000000001F1000-memory.dmp
    Filesize

    4KB

  • memory/3600-120-0x0000000000EC0000-0x0000000000EC1000-memory.dmp
    Filesize

    4KB

  • memory/3600-121-0x0000000002B80000-0x0000000002B81000-memory.dmp
    Filesize

    4KB

  • memory/3600-122-0x0000000002BA0000-0x0000000002BA1000-memory.dmp
    Filesize

    4KB

  • memory/3600-123-0x0000000002BB0000-0x0000000002BB1000-memory.dmp
    Filesize

    4KB

  • memory/3600-124-0x0000000002BC0000-0x0000000002BC1000-memory.dmp
    Filesize

    4KB

  • memory/3600-125-0x0000000002BD0000-0x0000000002BD1000-memory.dmp
    Filesize

    4KB

  • memory/3600-126-0x0000000002CF0000-0x0000000002CF1000-memory.dmp
    Filesize

    4KB

  • memory/3600-127-0x0000000000400000-0x0000000000E3E000-memory.dmp
    Filesize

    10.2MB