Analysis

  • max time kernel
    99s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2023, 01:15

General

  • Target
    be30ec7ab19bfedb892fde3afb577603.exe
  • Size 1.8MB
  • Sample230208-bl84esga3t
  • SHA256 b398065ab48ca2a1900c2192c2883330b414f5f74fa04ecf2b6ae99698b8e63d
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • GoLang User-Agent 2 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be30ec7ab19bfedb892fde3afb577603.exe
    "C:\Users\Admin\AppData\Local\Temp\be30ec7ab19bfedb892fde3afb577603.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4332
    • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
      C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
      2⤵
      • Executes dropped EXE
      PID:2360

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        ntlhost.exe

        • Path C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        • Size 821.8MB
        • SHA256 180f9598835544b87213c10a0f6df4d856e76c5348559961ea9814be9b18f62e
        • MD5 SHA1 SHA512 SSDEEP

        ntlhost.exe

        • Path C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        • Size 821.8MB
        • SHA256 180f9598835544b87213c10a0f6df4d856e76c5348559961ea9814be9b18f62e
        • MD5 SHA1 SHA512 SSDEEP

        memory/2360-139-0x0000000002473000-0x000000000261D000-memory.dmp

        memory/2360-140-0x0000000000400000-0x0000000000803000-memory.dmp

        memory/2360-141-0x0000000000400000-0x0000000000803000-memory.dmp

        memory/4332-132-0x0000000002656000-0x0000000002800000-memory.dmp

        memory/4332-133-0x0000000002810000-0x0000000002BE0000-memory.dmp

        memory/4332-134-0x0000000000400000-0x0000000000803000-memory.dmp

        memory/4332-138-0x0000000000400000-0x0000000000803000-memory.dmp