Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 11:27

General

  • Target
    a8d465853d2a82c1ff4a9d152f018a4c2eb55620397d963713ffe0d2aaa696d0.exe
  • Size 29KB
  • Sample260804-nkffyavvbv
  • SHA256 a8d465853d2a82c1ff4a9d152f018a4c2eb55620397d963713ffe0d2aaa696d0
  • 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\a8d465853d2a82c1ff4a9d152f018a4c2eb55620397d963713ffe0d2aaa696d0.exe
    "C:\Users\Admin\AppData\Local\Temp\a8d465853d2a82c1ff4a9d152f018a4c2eb55620397d963713ffe0d2aaa696d0.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:4716
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3240
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4144

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\MicrosoftEdgeUpdateBroker.exe
        • Size 128KB
        • SHA256 214dc28b3d1676ca2c400fe2176ace0231522d6ad7701940db7bf2c878ee1ef1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Uninstall.exe

        • Path C:\Program Files\7-Zip\Uninstall.exe
        • Size 43KB
        • SHA256 760769773424b61c07df098c9bf906cc3d3d97ce034b5e130c6a8f5ce46e0595
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 484KB
        • SHA256 8e66ad7fdff88112d8122587fd98fbe99551db07ad5ebf7c6033ff3eae66e068
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-2937465464-4167303362-2236413517-1000\_desktop.ini
        • Size 8B
        • SHA256 5faf71987eb0e4eedba10fbde77dc0c4d900740a123d4afbd05c219220d6fe31
        • MD5 SHA1 SHA512

        memory/4716-13-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/4716-19-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/4716-22-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/4716-0-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/4716-165-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/4716-1231-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/4716-5-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/4716-5020-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/4716-5535-0x0000000000400000-0x0000000000436000-memory.dmp