Analysis

  • max time kernel
    150s
  • max time network
    147s
  • 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, 03:35

General

  • Target
    a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe
  • Size 313KB
  • Sample260804-d5fbka1eld
  • SHA256 a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63
  • 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
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • 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 use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe
    "C:\Users\Admin\AppData\Local\Temp\a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4308
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a1F2B.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4344
      • C:\Users\Admin\AppData\Local\Temp\a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe
        "C:\Users\Admin\AppData\Local\Temp\a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe"
        3⤵
        • Executes dropped EXE
        PID:1856
    • 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:1732
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4876
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3020

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\MicrosoftEdgeUpdateBroker.exe
        • Size 125KB
        • SHA256 3fc183deb209a9bad81005037a1494f93222b77b14a2d114f74b3525efb9b17e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 575KB
        • SHA256 95e384e2520b39a0f9b0edd8d6ae683515e4ef96b4d6c54fdb4e3ad5fa8228f1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 481KB
        • SHA256 d5fbaf5c0d8e313d4dad23b28cac4256c5dbed6ab3b0d797e2971f30c5e095ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a1F2B.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a1F2B.bat
        • Size 722B
        • SHA256 50d9425a5fd99509b090ca7a3f821ba02a33da9dea78a83b6d9f99722da07733
        • MD5 SHA1 SHA512 TLSH

        a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe.exe
        • Size 287KB
        • SHA256 f730989550acfe83250367332d0717733160073556d843175000b797dad481b3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 26KB
        • SHA256 3bb60e8cfe0ffd2e771c2382401f634b2194d8883a42716bc46cf132ac163150
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-2370214745-1838013427-2987045292-1000\_desktop.ini
        • Size 8B
        • SHA256 5faf71987eb0e4eedba10fbde77dc0c4d900740a123d4afbd05c219220d6fe31
        • MD5 SHA1 SHA512

        memory/1732-27-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1732-33-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1732-37-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1732-20-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1732-377-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1732-1246-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1732-10-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1732-5094-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1732-5611-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4308-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4308-9-0x0000000000400000-0x0000000000434000-memory.dmp