Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/07/2026, 12:20

General

  • Target
    psl.exe
  • Size 64KB
  • Sample260709-phv92sbv2x
  • SHA256 68e81ce966ca0c016bb638d0d29b106a0da7eab2ddf70438d8182fa89baf5d78
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\psl.exe
    "C:\Users\Admin\AppData\Local\Temp\psl.exe"
    1⤵
    • Adds Run key to start application
    PID:1256
  • C:\Windows\Temp\DCRCVDrv.sys
    C:\Windows\Temp\DCRCVDrv.sys
    1⤵
    • Executes dropped EXE
    PID:1964
  • C:\Windows\system32\cmd.exe
    "cmd /c start "" /D "C:\ProgramData\WinPslUpd" psl.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4028
    • C:\ProgramData\WinPslUpd\psl.exe
      "C:\ProgramData\WinPslUpd\psl.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4528
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
        3⤵
          PID:1952

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          VCRUNTIME140.dll

          • Path C:\ProgramData\WinPslUpd\VCRUNTIME140.dll
          • Size 120KB
          • SHA256 184146852727a9db4eea06178716bec3cdbb1015c911f6b0f915b184ad7775b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libiconv-2.dll

          • Path C:\ProgramData\WinPslUpd\libiconv-2.dll
          • Size 1.1MB
          • SHA256 2e5883a09cfc4391cb81db3f0da4d9b8cda21fc1b287e73a1624ad518d941b94
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libidn2-0.dll

          • Path C:\ProgramData\WinPslUpd\libidn2-0.dll
          • Size 251KB
          • SHA256 3ebaf0f048ad557c789c7602bbf0ff878b4e1c84b27fac559ad72c72259bd90e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libintl-8.dll

          • Path C:\ProgramData\WinPslUpd\libintl-8.dll
          • Size 301KB
          • SHA256 a62094d6e21670f460cb110389d2cb7b9bc12cfbb075151eeb2c52436cc02755
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libunistring-5.dll

          • Path C:\ProgramData\WinPslUpd\libunistring-5.dll
          • Size 2.1MB
          • SHA256 35eae7305e2e108ec3eac677f3357e376247e77e32aaecbf818b2c68f134d91c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          msvcp140.dll

          • Path C:\ProgramData\WinPslUpd\msvcp140.dll
          • Size 540KB
          • SHA256 def46aa6a8f72f27bafac0c43334419486a4d1dcdb6c479a8ef7034b3e1fa4cb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          psl.exe

          • Path C:\ProgramData\WinPslUpd\psl.exe
          • Size 64KB
          • SHA256 68e81ce966ca0c016bb638d0d29b106a0da7eab2ddf70438d8182fa89baf5d78
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ucrtbase.dll

          • Path C:\ProgramData\WinPslUpd\ucrtbase.dll
          • Size 1.3MB
          • SHA256 c2ed69b4a1bb9432c75134e813c70539e27c8c1fe96a784d9be78c874e93d9d5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          vcruntime140_1.dll

          • Path C:\ProgramData\WinPslUpd\vcruntime140_1.dll
          • Size 46KB
          • SHA256 e6bfb3662ab4b1969a73441dbe35c96d51441b6bff8cf1fe7430bd5b246ca605
          • MD5 SHA1 SHA512 SSDEEP TLSH

          DCRCVDrv.sys

          • Path C:\Windows\Temp\DCRCVDrv.sys
          • Size 137KB
          • SHA256 87e8d39db624f37d3e77aedf487a2dfd197f71a4730ea74f4e7a4341deaec2ff
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1256-13-0x00007FF6A2400000-0x00007FF6A2415000-memory.dmp

          memory/1964-2-0x0000000000010000-0x000000000003D000-memory.dmp

          memory/4528-29-0x00007FF7F2320000-0x00007FF7F2335000-memory.dmp