Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2023, 23:41

General

  • Target
    file.exe
  • Size 1.9MB
  • Sample230208-3pd61aae6s
  • SHA256 d994d8264d8511cb16ce67ed790a7896d0dbbe44d36eaffb43643ff34f3dc177
  • 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
      C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
      2⤵
      • Executes dropped EXE
      PID:2056

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 723.9MB
        • SHA256 99af03708e730c20fa3ec67dc94a2da93ef5f40f6241ec6387df140af0c7c1c0
        • MD5 SHA1 SHA512 SSDEEP

        ntlhost.exe

        • Path C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        • Size 723.9MB
        • SHA256 99af03708e730c20fa3ec67dc94a2da93ef5f40f6241ec6387df140af0c7c1c0
        • MD5 SHA1 SHA512 SSDEEP

        memory/1128-132-0x0000000002954000-0x0000000002AFE000-memory.dmp

        memory/1128-133-0x0000000002B00000-0x0000000002ED0000-memory.dmp

        memory/1128-134-0x0000000000400000-0x0000000000803000-memory.dmp

        memory/1128-138-0x0000000000400000-0x0000000000803000-memory.dmp

        memory/2056-139-0x000000000240B000-0x00000000025B5000-memory.dmp

        memory/2056-140-0x0000000000400000-0x0000000000803000-memory.dmp

        memory/2056-141-0x000000000240B000-0x00000000025B5000-memory.dmp