Analysis

  • max time kernel
    112s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2023, 19:53

General

  • Target
    7aca913279c053180d4a033dc35f33f7.exe
  • Size 1.8MB
  • Sample230203-ylyc9aah99
  • SHA256 1063dbd630ff2a5917a3f66fca581c5742172d2fdb8e6f7c2cfa6d68fdd90420
  • 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 1 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7aca913279c053180d4a033dc35f33f7.exe
    "C:\Users\Admin\AppData\Local\Temp\7aca913279c053180d4a033dc35f33f7.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
      C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
      2⤵
      • Executes dropped EXE
      PID:2040

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 802.8MB
        • SHA256 6a4905a5f0968141331b16153a6e1d250007c49a475138f1a6bbec858307eda4
        • MD5 SHA1 SHA512 SSDEEP

        ntlhost.exe

        • Path C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        • Size 802.8MB
        • SHA256 6a4905a5f0968141331b16153a6e1d250007c49a475138f1a6bbec858307eda4
        • MD5 SHA1 SHA512 SSDEEP

        memory/4932-132-0x000000000260E000-0x00000000027B8000-memory.dmp

        memory/4932-133-0x00000000027C0000-0x0000000002B90000-memory.dmp

        memory/4932-134-0x0000000000400000-0x0000000000803000-memory.dmp

        memory/4932-138-0x0000000000400000-0x0000000000803000-memory.dmp