Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/04/2026, 09:20

General

  • Target
    3feb4884385b6dfff2322ed38db80b020a6daa4cc47cc2904b713cff1e440d7a.exe
  • Size 582KB
  • Sample260423-la41faat9p
  • SHA256 3feb4884385b6dfff2322ed38db80b020a6daa4cc47cc2904b713cff1e440d7a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

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

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

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 9 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 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3feb4884385b6dfff2322ed38db80b020a6daa4cc47cc2904b713cff1e440d7a.exe
    "C:\Users\Admin\AppData\Local\Temp\3feb4884385b6dfff2322ed38db80b020a6daa4cc47cc2904b713cff1e440d7a.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4632
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4636
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aDFD1.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Users\Admin\AppData\Local\Temp\3feb4884385b6dfff2322ed38db80b020a6daa4cc47cc2904b713cff1e440d7a.exe
        "C:\Users\Admin\AppData\Local\Temp\3feb4884385b6dfff2322ed38db80b020a6daa4cc47cc2904b713cff1e440d7a.exe"
        3⤵
        • Executes dropped EXE
        PID:1096
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Drops file in Drivers directory
      • Drops startup file
      • 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:3084
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2072
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3216
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3996
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:552

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 132KB
        • SHA256 2fa93bc4221816a5b518816b7d8a57641240e9341726bd269a102bec4d49e674
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 582KB
        • SHA256 3feb4884385b6dfff2322ed38db80b020a6daa4cc47cc2904b713cff1e440d7a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 488KB
        • SHA256 c9838c3425b73d61bc5c322a884ffb7501e1ce7675df50907322b6594326ce91
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$aDFD1.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$aDFD1.bat
        • Size 722B
        • SHA256 adc962821f14d3b855daa1130f2d44a5cb5a8949ddbf258d71cc5fccb8deedb7
        • MD5 SHA1 SHA512 TLSH

        3feb4884385b6dfff2322ed38db80b020a6daa4cc47cc2904b713cff1e440d7a.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3feb4884385b6dfff2322ed38db80b020a6daa4cc47cc2904b713cff1e440d7a.exe.exe
        • Size 549KB
        • SHA256 707f415d7d581edd9bce99a0429ad4629d3be0316c329e8b9ebd576f7ab50b71
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 33KB
        • SHA256 310be6951ad04a625e5531c810cae4812d11c4575802ca2882df44721002cfcc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

        • Path C:\Windows\system32\drivers\etc\hosts
        • Size 842B
        • SHA256 d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e
        • MD5 SHA1 SHA512 TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-3119821332-640943685-2562343641-1000\_desktop.ini
        • Size 9B
        • SHA256 de3322e1c49dc0b70d2b3a63a9ce062799d4a9d96851d3532ae97dadd8aa2da4
        • MD5 SHA1 SHA512

        memory/3024-0-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/3024-13-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/3084-20-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/3084-2872-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/3084-10-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/3084-10207-0x0000000000400000-0x000000000043E000-memory.dmp