Overview

overview

8

Static

static

3

b387434818...a1.exe

windows10-2004-x64

8

b387434818...a1.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 08:40

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General

  • Target
    b387434818ed37bc7e38b81c714ce02d775ab1e11a7ef442d9fbfdd32729b8a1.exe
  • Size 33KB
  • Sample260708-klaejaew2n
  • SHA256 b387434818ed37bc7e38b81c714ce02d775ab1e11a7ef442d9fbfdd32729b8a1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
discoveryspywarestealer

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • 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 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 60 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b387434818ed37bc7e38b81c714ce02d775ab1e11a7ef442d9fbfdd32729b8a1.exe
    "C:\Users\Admin\AppData\Local\Temp\b387434818ed37bc7e38b81c714ce02d775ab1e11a7ef442d9fbfdd32729b8a1.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops startup file
    • 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:784
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4292
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1532
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5772

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 132KB
        • SHA256 8da2188fdefb9519986a84b98044f21802c0ba8fb10f207ea55869053299dc53
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        dotnet.exe
        • Path C:\Program Files\dotnet\dotnet.exe
        • Size 177KB
        • SHA256 d6c475bba11e458872f8618096d81d45662ab06fff1f4e0fa965e214b259e563
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        vcredist_x86.exe
        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 488KB
        • SHA256 655e7600a1f5a01089fe2de7ded999ff99ad5917853fb087ca3804dc1ecf27f5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _desktop.ini
        • Path F:\$RECYCLE.BIN\S-1-5-21-1921861047-1272335887-115070671-1000\_desktop.ini
        • Size 8B
        • SHA256 f2d2cf0c992b9fe521af1cba2f911d62494882e796a4cda4da2dba61b4d669d5
        • MD5 SHA1 SHA512
        Submit Download

        memory/784-0-0x0000000000400000-0x000000000043E000-memory.dmp
        Download

        memory/784-5-0x0000000000400000-0x000000000043E000-memory.dmp
        Download

        memory/784-2379-0x0000000000400000-0x000000000043E000-memory.dmp
        Download

        memory/784-7901-0x0000000000400000-0x000000000043E000-memory.dmp
        Download

        memory/784-7904-0x0000000000400000-0x000000000043E000-memory.dmp
        Download