Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2022 13:54

General

  • Target

    Server_se.exe

  • Size

    1.3MB

  • MD5

    568563501bedc44175d2218a59a43a02

  • SHA1

    8589da7010602a88a1caaa7e07382a1c1b35a453

  • SHA256

    31fc16d69939d4b8b18df3d0781b38aedfb4520ad14befa70d64d4f72e27bee6

  • SHA512

    7c81452c5a892e789d5bb41df5ea3b9a18ecb8b4b3289f42fb791a21155a34a628a5dff1fbee41325aee11d0e9bfc25630d7f20c9b3ec6a90aed2df10de421fb

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 38 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server_se.exe
    "C:\Users\Admin\AppData\Local\Temp\Server_se.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:5048

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5048-132-0x0000000000400000-0x00000000005E5000-memory.dmp
    Filesize

    1.9MB

  • memory/5048-133-0x0000000077330000-0x00000000774D3000-memory.dmp
    Filesize

    1.6MB

  • memory/5048-134-0x0000000075230000-0x0000000075445000-memory.dmp
    Filesize

    2.1MB

  • memory/5048-136-0x0000000077180000-0x0000000077320000-memory.dmp
    Filesize

    1.6MB

  • memory/5048-137-0x0000000075D50000-0x0000000075DCA000-memory.dmp
    Filesize

    488KB

  • memory/5048-1481-0x0000000000400000-0x00000000005E5000-memory.dmp
    Filesize

    1.9MB

  • memory/5048-1482-0x0000000000400000-0x00000000005E5000-memory.dmp
    Filesize

    1.9MB

  • memory/5048-1483-0x0000000000400000-0x00000000005E5000-memory.dmp
    Filesize

    1.9MB

  • memory/5048-1484-0x0000000000400000-0x00000000005E5000-memory.dmp
    Filesize

    1.9MB

  • memory/5048-1486-0x0000000000400000-0x00000000005E5000-memory.dmp
    Filesize

    1.9MB

  • memory/5048-1487-0x0000000000400000-0x00000000005E5000-memory.dmp
    Filesize

    1.9MB

  • memory/5048-1488-0x0000000010000000-0x0000000010018000-memory.dmp
    Filesize

    96KB

  • memory/5048-1491-0x0000000000400000-0x00000000005E5000-memory.dmp
    Filesize

    1.9MB