Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    01/06/2026, 09:19

General

  • Target
    879663941bfdc78a267e97507683c905a9b14d5083d1fb045b1b18d5ea2bb3ce.exe
  • Size 959KB
  • Sample260601-lak8bsf151
  • SHA256 879663941bfdc78a267e97507683c905a9b14d5083d1fb045b1b18d5ea2bb3ce
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\879663941bfdc78a267e97507683c905a9b14d5083d1fb045b1b18d5ea2bb3ce.exe
    "C:\Users\Admin\AppData\Local\Temp\879663941bfdc78a267e97507683c905a9b14d5083d1fb045b1b18d5ea2bb3ce.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3560
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a66F2.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2432
      • C:\Users\Admin\AppData\Local\Temp\879663941bfdc78a267e97507683c905a9b14d5083d1fb045b1b18d5ea2bb3ce.exe
        "C:\Users\Admin\AppData\Local\Temp\879663941bfdc78a267e97507683c905a9b14d5083d1fb045b1b18d5ea2bb3ce.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:3208
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Executes dropped EXE
      • 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:1160
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4800
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2372

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 128KB
        • SHA256 9b5fd113cd86330691fbf634d78f469e160c2368d78434db131082f72a459ec5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 578KB
        • SHA256 156a364981a7ab8cd11ba091ab25683d7d5f2a61c2debc7a3da69246f055e8e7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 484KB
        • SHA256 86a8075fd0611b8c18eb5cae71e121c7e18a4f132975a3685b8ea2695d173524
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a66F2.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a66F2.bat
        • Size 722B
        • SHA256 2b941229bdcc50dbcaeb1c981b425b7337cf26194184ee4f46c2dd6d684f153b
        • MD5 SHA1 SHA512 TLSH

        879663941bfdc78a267e97507683c905a9b14d5083d1fb045b1b18d5ea2bb3ce.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\879663941bfdc78a267e97507683c905a9b14d5083d1fb045b1b18d5ea2bb3ce.exe.exe
        • Size 930KB
        • SHA256 1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 29KB
        • SHA256 b7503458f0416150c4f77156c995e7813cb8cfadbd518e8644d3ee279dd454b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-1768642833-2142038154-4041560723-1000\_desktop.ini
        • Size 8B
        • SHA256 f29189eb11965eb3f457dcfc9961541cf5820960ece28657e097c84d9236f547
        • MD5 SHA1 SHA512

        memory/1160-27-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1160-33-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1160-37-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1160-20-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1160-595-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1160-1224-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1160-5005-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1160-8-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1160-5502-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/3560-0-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/3560-10-0x0000000000400000-0x0000000000436000-memory.dmp