Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/09/2026, 19:55

General

  • Target
    2026-09-26_7dc80831a8964f66b60c20914d7ffc52_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe
  • Size 11.5MB
  • Sample260926-yncjkazz7l
  • SHA256 2bc3f2a7b76108e5b99e7fbbeef00ffbbfaf89073162a62e20f88916929f5f23
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 2 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 1 IoCs
  • Detects executables containing SQL queries to confidential data stores. Observed in infostealers 1 IoCs
  • Detects executables containing URLs to raw contents of a Github gist 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, crypt 1 IoCs
  • detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled T 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Modifies trusted root certificate store through registry 1 TTPs 2 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 10 IoCs

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

  • Modifies registry key 1 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-26_7dc80831a8964f66b60c20914d7ffc52_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-26_7dc80831a8964f66b60c20914d7ffc52_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe"
    1⤵
    • Modifies trusted root certificate store through registry
    • Reads the TCP/IP host and domain name from the registry
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\Users\Admin\AppData\Local\Temp\2026-09-26_7dc80831a8964f66b60c20914d7ffc52_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe
      C:\Users\Admin\AppData\Local\Temp\2026-09-26_7dc80831a8964f66b60c20914d7ffc52_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe --persist-worker
      2⤵
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of WriteProcessMemory
      PID:1316
      • C:\Windows\system32\reg.exe
        reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v SvcHost /t REG_SZ /d C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Update\WindowsUpdate.exe /f
        3⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:4148
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Update\SecurityHealthSystray.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Update\SecurityHealthSystray.exe -o xmr-eu.kryptex.network:7029 -u krxX729EZE/worker1 -p x
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4740
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Update\WindowsUpdate.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Update\WindowsUpdate.exe
    1⤵
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious use of WriteProcessMemory
    PID:3344
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Update\SecurityHealthSystray.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Update\SecurityHealthSystray.exe -o xmr-eu.kryptex.network:7029 -u krxX729EZE/worker1 -p x
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4984
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Update\WindowsUpdate.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Update\WindowsUpdate.exe --persist-worker
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of WriteProcessMemory
      PID:1004
      • C:\Windows\system32\reg.exe
        reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v SvcHost /t REG_SZ /d C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Update\WindowsUpdate.exe /f
        3⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:1456

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        .didy_mid

        • Path C:\Users\Admin\AppData\Roaming\.didy_mid
        • Size 16B
        • SHA256 0a46ca894645578210e0236fe2370fd4ee9cb368315a08ca08b330944ba62b33
        • MD5 SHA1 SHA512

        SecurityHealthSystray.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Update\SecurityHealthSystray.exe
        • Size 6.1MB
        • SHA256 ca28f4aeaa5e16d216cd828b67454a56f3c7feeb242412d26ed914fadff20d40
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsUpdate.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Update\WindowsUpdate.exe
        • Size 11.5MB
        • SHA256 2bc3f2a7b76108e5b99e7fbbeef00ffbbfaf89073162a62e20f88916929f5f23
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4740-9-0x0000017CAB7F0000-0x0000017CAB810000-memory.dmp