Overview

overview

6

Static

static

3

81c513801b...e8.exe

windows10-2004-x64

6

81c513801b...e8.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    149s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/10/2026, 09:25

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General

  • Target
    81c513801b8ff06679bc453d1649c3b1c8becb660f292089bb0d1202b0efb4e8.exe
  • Size 26KB
  • Sample261001-lds3casfqa
  • SHA256 81c513801b8ff06679bc453d1649c3b1c8becb660f292089bb0d1202b0efb4e8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
discovery

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81c513801b8ff06679bc453d1649c3b1c8becb660f292089bb0d1202b0efb4e8.exe
    "C:\Users\Admin\AppData\Local\Temp\81c513801b8ff06679bc453d1649c3b1c8becb660f292089bb0d1202b0efb4e8.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4280
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2824
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4760

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeUpdateBroker.exe
        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe
        • Size 124KB
        • SHA256 48da712fd6676ac5d0a2dc84ce58cd8b9b96a39d558ee46cd1c04b8e688f18da
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        dotnet.exe
        • Path C:\Program Files\dotnet\dotnet.exe
        • Size 170KB
        • SHA256 c37e26d06397c501dd0085457ad7ec837db8fbe6f8fd45f7cc20092794890ee5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        vcredist_x86.exe
        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 481KB
        • SHA256 d5fbaf5c0d8e313d4dad23b28cac4256c5dbed6ab3b0d797e2971f30c5e095ad
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _desktop.ini
        • Path F:\$RECYCLE.BIN\S-1-5-21-1404337215-1550464601-2805570857-1000\_desktop.ini
        • Size 9B
        • SHA256 4847b97cf00df4928ed5c4f8ca2a0ead0bf62534d7e9c6ba23326137ddbb5c6f
        • MD5 SHA1 SHA512
        Submit Download

        memory/4280-0-0x0000000000400000-0x0000000000434000-memory.dmp
        Download

        memory/4280-5-0x0000000000400000-0x0000000000434000-memory.dmp
        Download

        memory/4280-13-0x0000000000400000-0x0000000000434000-memory.dmp
        Download

        memory/4280-19-0x0000000000400000-0x0000000000434000-memory.dmp
        Download

        memory/4280-23-0x0000000000400000-0x0000000000434000-memory.dmp
        Download

        memory/4280-1229-0x0000000000400000-0x0000000000434000-memory.dmp
        Download

        memory/4280-5024-0x0000000000400000-0x0000000000434000-memory.dmp
        Download

        memory/4280-5497-0x0000000000400000-0x0000000000434000-memory.dmp
        Download