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
    24/04/2026, 09:05

General

  • Target
    af5026cb4412169f892fe695b48d2f6d6466d652a03d0358c0d051aa7960b87b.exe
  • Size 393KB
  • Sample260424-k2bbrsc13x
  • SHA256 af5026cb4412169f892fe695b48d2f6d6466d652a03d0358c0d051aa7960b87b
  • 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
  • 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\af5026cb4412169f892fe695b48d2f6d6466d652a03d0358c0d051aa7960b87b.exe
    "C:\Users\Admin\AppData\Local\Temp\af5026cb4412169f892fe695b48d2f6d6466d652a03d0358c0d051aa7960b87b.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3676
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a21DB.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4280
      • C:\Users\Admin\AppData\Local\Temp\af5026cb4412169f892fe695b48d2f6d6466d652a03d0358c0d051aa7960b87b.exe
        "C:\Users\Admin\AppData\Local\Temp\af5026cb4412169f892fe695b48d2f6d6466d652a03d0358c0d051aa7960b87b.exe"
        3⤵
        • Executes dropped EXE
        PID:2492
    • 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:612
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2468
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4912

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 578KB
        • SHA256 13a72e332f6aa31fb947f870c5371a0be4078ce4be7269665ff589eee1ccb262
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 484KB
        • SHA256 8a1893a74ec4ccdf52104250cd821b91958dccdfd56b76ea06d1822ab39f8e8f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a21DB.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a21DB.bat
        • Size 722B
        • SHA256 33de1e603f588986f089c524c858eb2757ea9f8eda1de54d78a1710655490abe
        • MD5 SHA1 SHA512 TLSH

        af5026cb4412169f892fe695b48d2f6d6466d652a03d0358c0d051aa7960b87b.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\af5026cb4412169f892fe695b48d2f6d6466d652a03d0358c0d051aa7960b87b.exe.exe
        • Size 364KB
        • SHA256 b309045509efc205eb35d6037d64640093fde6c54ec5934e329b447417005a50
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 29KB
        • SHA256 0f96ad32c8108e074d10a356ecdec742cb1edc406a8f190123e6fc62799a886e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-2397528088-2630719772-1129911217-1000\_desktop.ini
        • Size 9B
        • SHA256 cf938a4f3b0b887724302ddf4689d13c4979f5470df615074767908c6ef30aa0
        • MD5 SHA1 SHA512

        memory/612-27-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/612-20-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/612-33-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/612-37-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/612-290-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/612-1224-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/612-5005-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/612-8-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/612-5508-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/3676-0-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/3676-11-0x0000000000400000-0x0000000000436000-memory.dmp