Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/08/2026, 03:20

General

  • Target
    39838c2ded623e150ba7fde7cac43090db9d012c2c727b4e7061d04674092351.exe
  • Size 48KB
  • Sample260831-dv7casee35
  • SHA256 39838c2ded623e150ba7fde7cac43090db9d012c2c727b4e7061d04674092351
  • 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\39838c2ded623e150ba7fde7cac43090db9d012c2c727b4e7061d04674092351.exe
    "C:\Users\Admin\AppData\Local\Temp\39838c2ded623e150ba7fde7cac43090db9d012c2c727b4e7061d04674092351.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a80F3.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2860
      • C:\Users\Admin\AppData\Local\Temp\39838c2ded623e150ba7fde7cac43090db9d012c2c727b4e7061d04674092351.exe
        "C:\Users\Admin\AppData\Local\Temp\39838c2ded623e150ba7fde7cac43090db9d012c2c727b4e7061d04674092351.exe"
        3⤵
        • Executes dropped EXE
        PID:4724
    • 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:2080
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1064
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2444

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 25e21eb100db118b5aac95b58e49241828653429ab5eae354c2b93642dd7cdda
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 575KB
        • SHA256 73798a0314d5da3649917a517210b6f63dfe61e03bf7c61c95d32620c947490f
        • 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

        $$a80F3.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a80F3.bat
        • Size 722B
        • SHA256 a41d63e53d292944ebc1b4e37d1e1631a1d24b1df62fe3ed94b7596e16c5539e
        • MD5 SHA1 SHA512 TLSH

        39838c2ded623e150ba7fde7cac43090db9d012c2c727b4e7061d04674092351.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\39838c2ded623e150ba7fde7cac43090db9d012c2c727b4e7061d04674092351.exe.exe
        • Size 22KB
        • SHA256 8d45d36495e393801fe131c3a5348192732eaed58aed2cb6596277d3693771b9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rundl132.exe

        • Path C:\Windows\rundl132.exe
        • Size 26KB
        • SHA256 4cba02b04ffc71c2f61167bc3f7addb9f9b89bdf12f4e0ba1c9ff11993edc5bc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-1074038928-2032447174-945360078-1000\_desktop.ini
        • Size 9B
        • SHA256 eeb5cbb517450cca90ea5cd91b38720ad371cd8bc31bde7b09707adedcb5455c
        • MD5 SHA1 SHA512

        memory/1448-10-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1448-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2080-27-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2080-38-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2080-33-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2080-135-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2080-1246-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2080-20-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2080-5035-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2080-13-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2080-5550-0x0000000000400000-0x0000000000434000-memory.dmp