Analysis

  • max time kernel
    18s
  • max time network
    23s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/08/2026, 20:03

Errors

Reason
Machine shutdown

General

  • Target
    vcredist2008_x86.exe
  • Size 4.3MB
  • Sample260805-ystcwavepc
  • SHA256 6b3e4c51c6c0e5f68c8a72b497445af3dbf976394cbb62aa23569065c28deeb6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 18 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 39 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\vcredist2008_x86.exe
    "C:\Users\Admin\AppData\Local\Temp\vcredist2008_x86.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3540
    • \??\c:\4a212ed6ac6bdf207c97e5\install.exe
      c:\4a212ed6ac6bdf207c97e5\.\install.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4484
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3444
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa391e855 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:4396

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        install.exe

        • Path C:\4a212ed6ac6bdf207c97e5\install.exe
        • Size 547KB
        • SHA256 b72056fc3df6f46069294c243fe5006879bf4a9d8eef388369a590ca41745f29
        • MD5 SHA1 SHA512 SSDEEP TLSH

        install.res.1033.dll

        • Path C:\4a212ed6ac6bdf207c97e5\install.res.1033.dll
        • Size 85KB
        • SHA256 a522c5ea3250cdd538a9ce7b4a06dfd5123e7eb05eef67509f2b975a8e1d3067
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dd_vcredistMSI3B9D.txt

        • Path C:\Users\Admin\AppData\Local\Temp\dd_vcredistMSI3B9D.txt
        • Size 1KB
        • SHA256 cd589979f1a4cad4fd3ddf69aaac9a7ad5ebe6462e84768b1c179d3f540adcac
        • MD5 SHA1 SHA512 TLSH

        VC_RED.cab

        • Path \??\c:\4a212ed6ac6bdf207c97e5\VC_RED.cab
        • Size 3.7MB
        • SHA256 461d575bc1a07f64c14f1da885d2f310bd282cbbedcd0a5cf8ffa7057411805d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        eula.1028.txt

        • Path \??\c:\4a212ed6ac6bdf207c97e5\eula.1028.txt
        • Size 3KB
        • SHA256 cfa4f2c6c2a8f86896c5a6f9a16e81932734136c3dfde6b4ed44735e9c8115c2
        • MD5 SHA1 SHA512 TLSH

        eula.1031.txt

        • Path \??\c:\4a212ed6ac6bdf207c97e5\eula.1031.txt
        • Size 15KB
        • SHA256 3e4d78fcc11eecb23af12a4eaa316114bb36d39561f6062a3921c08a43261321
        • MD5 SHA1 SHA512 SSDEEP TLSH

        eula.1033.txt

        • Path \??\c:\4a212ed6ac6bdf207c97e5\eula.1033.txt
        • Size 9KB
        • SHA256 c68a0fd93e8c64139a42af4fcd4670c6faea3a5d5d1e9dd35b197f7d5268d92b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        eula.1036.txt

        • Path \??\c:\4a212ed6ac6bdf207c97e5\eula.1036.txt
        • Size 11KB
        • SHA256 3456ebc9c6decef8b27b10d97f7f6d30a73b5da0024e1b8a0657e3b9a1cc93d9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        eula.1040.txt

        • Path \??\c:\4a212ed6ac6bdf207c97e5\eula.1040.txt
        • Size 13KB
        • SHA256 ebafaeb37464ed00e579dab5b573908e026cd0e3444079f398aada13fa9a6f66
        • MD5 SHA1 SHA512 SSDEEP TLSH

        eula.1041.txt

        • Path \??\c:\4a212ed6ac6bdf207c97e5\eula.1041.txt
        • Size 5KB
        • SHA256 467773ddffdb3f31027595313b70d1ea934c828b124d1063a4aa4dbe90f15961
        • MD5 SHA1 SHA512 SSDEEP TLSH

        eula.1042.txt

        • Path \??\c:\4a212ed6ac6bdf207c97e5\eula.1042.txt
        • Size 5KB
        • SHA256 3d45f022996cd6d9ebb659a202fbfd099795f9a39ed4e6bbd62ac6f6ed5f8c7b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        eula.1049.txt

        • Path \??\c:\4a212ed6ac6bdf207c97e5\eula.1049.txt
        • Size 13KB
        • SHA256 f82bca639841fa7387ae9bbf9eca33295fab20fade57496e458152068c06f8a3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        eula.2052.txt

        • Path \??\c:\4a212ed6ac6bdf207c97e5\eula.2052.txt
        • Size 3KB
        • SHA256 744275c515354ece1a997dd510f0b3ea607147bbf2b7d73f8fca61839675ba27
        • MD5 SHA1 SHA512 TLSH

        eula.3082.txt

        • Path \??\c:\4a212ed6ac6bdf207c97e5\eula.3082.txt
        • Size 12KB
        • SHA256 c79ff7b9e67aed57f939343a3d5fd4fb01aa7412530693464571148b893b7132
        • MD5 SHA1 SHA512 SSDEEP TLSH

        globdata.ini

        • Path \??\c:\4a212ed6ac6bdf207c97e5\globdata.ini
        • Size 1KB
        • SHA256 7912e3fcf2698cf4f8625e563cd8215c6668739cae18bd6f27af2d25bec5c951
        • MD5 SHA1 SHA512 TLSH

        install.ini

        • Path \??\c:\4a212ed6ac6bdf207c97e5\install.ini
        • Size 841B
        • SHA256 c16727881c47a40077dc5a1f1ea71cbb28e3f4e156c0ae7074c6d7f5ecece21d
        • MD5 SHA1 SHA512 TLSH

        install.res.1028.dll

        • Path \??\c:\4a212ed6ac6bdf207c97e5\install.res.1028.dll
        • Size 71KB
        • SHA256 1074252f76e72e59a9da9d7e109c80ab131d53554c49cb3d69a180729bffc18e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        install.res.1031.dll

        • Path \??\c:\4a212ed6ac6bdf207c97e5\install.res.1031.dll
        • Size 90KB
        • SHA256 2c5fa53e6eb07bddc22c7c5203ff7bbe707c4cf8803f144ceb031384b59831aa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        install.res.1036.dll

        • Path \??\c:\4a212ed6ac6bdf207c97e5\install.res.1036.dll
        • Size 91KB
        • SHA256 cb38381c0afdcb3465f71699addad7534ffd72702907b017708eba463dbc68b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        install.res.1040.dll

        • Path \??\c:\4a212ed6ac6bdf207c97e5\install.res.1040.dll
        • Size 89KB
        • SHA256 709ab0139c643b78c2dace7a35b9801e1a4b4e4c4e176c0d00f1b55a2a71d7a8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        install.res.1041.dll

        • Path \??\c:\4a212ed6ac6bdf207c97e5\install.res.1041.dll
        • Size 76KB
        • SHA256 f74006aaa2a19777fb0c3b81321aabf00d87107dc23ba0d2282092502e5cd332
        • MD5 SHA1 SHA512 SSDEEP TLSH

        install.res.1042.dll

        • Path \??\c:\4a212ed6ac6bdf207c97e5\install.res.1042.dll
        • Size 74KB
        • SHA256 16fed8f279b0240f63dd90925150cd37782e9395af32a2693bdc0533c0809767
        • MD5 SHA1 SHA512 SSDEEP TLSH

        install.res.1049.dll

        • Path \??\c:\4a212ed6ac6bdf207c97e5\install.res.1049.dll
        • Size 87KB
        • SHA256 3de25f7b3fd91a8d5b7f7dd8eccf44e24b33b66133fc89519d21a426b489374e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        install.res.2052.dll

        • Path \??\c:\4a212ed6ac6bdf207c97e5\install.res.2052.dll
        • Size 70KB
        • SHA256 f6d949f493cb9b1ba5ee053acc7363bc9675b9e8b3f25258080092001036e6f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        install.res.3082.dll

        • Path \??\c:\4a212ed6ac6bdf207c97e5\install.res.3082.dll
        • Size 90KB
        • SHA256 8de447ae460de91144ec92381c8315a125b25020ac7601bbb721d56a92d0fd0f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vc_red.msi

        • Path \??\c:\4a212ed6ac6bdf207c97e5\vc_red.msi
        • Size 222KB
        • SHA256 34c5e7d7ea270ee67f92d34843d89603d6d3b6d9ef5247b43ae3c59c909d380d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist.bmp

        • Path \??\c:\4a212ed6ac6bdf207c97e5\vcredist.bmp
        • Size 5KB
        • SHA256 594884a8006e24ad5b1578cd7c75aca21171bb079ebdc4f6518905bcf2237ba1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4484-38-0x0000000003130000-0x0000000003131000-memory.dmp

        memory/4484-33-0x0000000003130000-0x0000000003131000-memory.dmp