Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    27/05/2026, 17:16

General

  • Target
    a376b5a57ed020d57f6166acdd503bfd60d18d15fe4d2c8228ad4d35a75e25dc.exe
  • Size 26KB
  • Sample260527-vtlsmsd12q
  • SHA256 a376b5a57ed020d57f6166acdd503bfd60d18d15fe4d2c8228ad4d35a75e25dc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 21 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
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\a376b5a57ed020d57f6166acdd503bfd60d18d15fe4d2c8228ad4d35a75e25dc.exe
    "C:\Users\Admin\AppData\Local\Temp\a376b5a57ed020d57f6166acdd503bfd60d18d15fe4d2c8228ad4d35a75e25dc.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1316
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4856

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateBroker.exe
        • Size 125KB
        • SHA256 0571d51340106df5b3e9c78fb7b0e56971ad1a9669be7dde9bac0a2de2a3296c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dotnet.exe

        • Path C:\Program Files\dotnet\dotnet.exe
        • Size 170KB
        • SHA256 23a1f66155853035457404b2b5f0b64aa0fa4ef0b38d155509e90fcf0ed68384
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 481KB
        • SHA256 1f06570aa3d1064cd6e7bb1641c7660e9991de3dfe2f36dcf7168a7ca50f822e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-2409539145-3342400454-2096821238-1000\_desktop.ini
        • Size 9B
        • SHA256 90660789145a1e303418de25f012f2cba7ff1d4dc5994f0c5212b2ab04edd7fd
        • MD5 SHA1 SHA512

        memory/2924-12-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2924-18-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2924-22-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2924-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2924-741-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2924-1209-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2924-5-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2924-4990-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2924-5493-0x0000000000400000-0x0000000000434000-memory.dmp