Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/10/2026, 06:21

General

  • Target
    HashManager64.exe
  • Size 3.6MB
  • Sample261010-g4a71aff72
  • SHA256 ac7bfdcccd7ac9216aa95626f52e01dfe7ea9881577de3733f3661ae0c683e20
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Suspicious use of SetThreadContext 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 1 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HashManager64.exe
    "C:\Users\Admin\AppData\Local\Temp\HashManager64.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\ProgramData\RivexAccelerator\HashManager64.exe
      C:\ProgramData\RivexAccelerator\HashManager64.exe
      2⤵
      • Suspicious use of SetThreadContext
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3080
      • C:\Users\Admin\CiCompiler.exe
        C:\Users\Admin\CiCompiler.exe
        3⤵
        • Loads dropped DLL
        • Reads the TCP/IP host and domain name from the registry
        PID:1864

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        HashManager64.exe

        • Path C:\ProgramData\RivexAccelerator\HashManager64.exe
        • Size 3.6MB
        • SHA256 ac7bfdcccd7ac9216aa95626f52e01dfe7ea9881577de3733f3661ae0c683e20
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoft.VisualStudio.QualityTools.VideoRecorderEngine.dll

        • Path C:\ProgramData\RivexAccelerator\Microsoft.VisualStudio.QualityTools.VideoRecorderEngine.dll
        • Size 184KB
        • SHA256 ad7ae1df63dc9f6ee4eabbeb4e9c0f98b2a1b1d69ad8bde9b564e998678310c4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        bResourceStrings.bpl

        • Path C:\ProgramData\RivexAccelerator\bResourceStrings.bpl
        • Size 544KB
        • SHA256 13608aa205e934e3e0b3ac504e1589a41285f9197f6f53be01c2bc59f46b6837
        • MD5 SHA1 SHA512 SSDEEP TLSH

        51FEF58.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\51FEF58.tmp
        • Size 2.1MB
        • SHA256 204e03b79069f9db3357e29cca9e64b594f0895a43ec3ba3da5023ae72462e43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        845106E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\845106E.tmp
        • Size 40B
        • SHA256 c30f52de041cd310c4b700a1fc052bad115d3bb42d2a565aad51e6173d5e19be
        • MD5 SHA1 SHA512

        CiCompiler.exe

        • Path C:\Users\Admin\CiCompiler.exe
        • Size 1.1MB
        • SHA256 818daf975f78ac30ba4ce0fdd2f7eb550cdc16701da35594e8c9cba72bc84a5c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1204-0-0x0000000074820000-0x00000000749A8000-memory.dmp

        memory/1204-1-0x00007FF9FEE40000-0x00007FF9FF0A3000-memory.dmp

        memory/1204-3-0x0000000000FE0000-0x0000000001381000-memory.dmp

        memory/1204-4-0x0000000075250000-0x00000000752E3000-memory.dmp

        memory/1864-19-0x00007FF7A93F0000-0x00007FF7A9418000-memory.dmp

        memory/1864-26-0x00007FF7A93F0000-0x00007FF7A9418000-memory.dmp

        memory/1864-48-0x00007FF7A93F0000-0x00007FF7A9418000-memory.dmp

        memory/3080-15-0x0000000000E30000-0x00000000011D1000-memory.dmp

        memory/3080-13-0x0000000074820000-0x00000000749A8000-memory.dmp

        memory/3080-17-0x0000000074820000-0x00000000749A8000-memory.dmp

        memory/3080-11-0x0000000074840000-0x0000000074841000-memory.dmp

        memory/3080-8-0x00007FF9FEE40000-0x00007FF9FF0A3000-memory.dmp

        memory/3080-7-0x0000000074820000-0x00000000749A8000-memory.dmp