Resubmissions

03/05/2026, 00:31

260503-at1xcadx3m

03/05/2026, 00:23

260503-apy7yshy8w7

Analysis

  • max time kernel
    157s
  • max time network
    159s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/05/2026, 00:23

General

  • Target
    vcredist2015_2017_2019_2022_x64.exe
  • Size 17.7MB
  • Sample260503-apy7yshy8w
  • SHA256 8995548dfffcde7c49987029c764355612ba6850ee09a7b6f0fddc85bdc5c280
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\vcredist2015_2017_2019_2022_x64.exe
    "C:\Users\Admin\AppData\Local\Temp\vcredist2015_2017_2019_2022_x64.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1332
    • C:\Windows\Temp\{7CBD6850-81EF-4390-A49E-CE7773D2F99F}\.cr\vcredist2015_2017_2019_2022_x64.exe
      "C:\Windows\Temp\{7CBD6850-81EF-4390-A49E-CE7773D2F99F}\.cr\vcredist2015_2017_2019_2022_x64.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\vcredist2015_2017_2019_2022_x64.exe" -burn.filehandle.attached=580 -burn.filehandle.self=728
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3796

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        logo.png

        • Path C:\Windows\Temp\{53253308-2AE8-424D-92C6-D82C1DCBCE11}\.ba\logo.png
        • Size 1KB
        • SHA256 335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
        • MD5 SHA1 SHA512 TLSH

        wixstdba.dll

        • Path C:\Windows\Temp\{53253308-2AE8-424D-92C6-D82C1DCBCE11}\.ba\wixstdba.dll
        • Size 215KB
        • SHA256 e921f69b9fb4b5ad4691809d06896c5f1d655ab75e0ce94a372319c243c56d4e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist2015_2017_2019_2022_x64.exe

        • Path C:\Windows\Temp\{7CBD6850-81EF-4390-A49E-CE7773D2F99F}\.cr\vcredist2015_2017_2019_2022_x64.exe
        • Size 615KB
        • SHA256 806e6252db45be78bfc064eb9a774dd1320d8f9aa70dd746996a1d9ddf9b8fd4
        • MD5 SHA1 SHA512 SSDEEP TLSH