Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/08/2026, 01:38

General

  • Target
    55a5f2f2590e65547b41b23ee559db9865b03610f572728bed96149b7a5769cf.exe
  • Size 115KB
  • Sample260831-b2j48sec65
  • SHA256 55a5f2f2590e65547b41b23ee559db9865b03610f572728bed96149b7a5769cf
  • 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 6 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\55a5f2f2590e65547b41b23ee559db9865b03610f572728bed96149b7a5769cf.exe
    "C:\Users\Admin\AppData\Local\Temp\55a5f2f2590e65547b41b23ee559db9865b03610f572728bed96149b7a5769cf.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aF1BE.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5268
      • C:\Users\Admin\AppData\Local\Temp\55a5f2f2590e65547b41b23ee559db9865b03610f572728bed96149b7a5769cf.exe
        "C:\Users\Admin\AppData\Local\Temp\55a5f2f2590e65547b41b23ee559db9865b03610f572728bed96149b7a5769cf.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5256
    • 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:3428
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1112
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2952

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe
        • Size 124KB
        • SHA256 d5ccbfd88f14f069586aba12cab3c9484d7cc542f1c2af628c0dae8d49b2090e
        • 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

        $$aF1BE.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$aF1BE.bat
        • Size 722B
        • SHA256 8fe16c1ae032a1aa7714ccd34df0cf1ea0c9d5dbe18e71b857ae5396ae197386
        • MD5 SHA1 SHA512 TLSH

        55a5f2f2590e65547b41b23ee559db9865b03610f572728bed96149b7a5769cf.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\55a5f2f2590e65547b41b23ee559db9865b03610f572728bed96149b7a5769cf.exe.exe
        • Size 89KB
        • SHA256 47872cc77f8e18cf642f868f23340a468e537e64521d9a3a416c8b84384d064b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 26KB
        • SHA256 077f52a46622c6f3e7eef1e2b03463d23b79094809fd8f7d37507c33c1177e15
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-2246396966-3025826688-3847171515-1000\_desktop.ini
        • Size 9B
        • SHA256 eeb5cbb517450cca90ea5cd91b38720ad371cd8bc31bde7b09707adedcb5455c
        • MD5 SHA1 SHA512

        memory/2976-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2976-13-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3428-22-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3428-23-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3428-30-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3428-35-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3428-39-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3428-147-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3428-1246-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3428-5043-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3428-10-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3428-5516-0x0000000000400000-0x0000000000434000-memory.dmp