Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    08/05/2026, 18:06

General

  • Target
    42AE90BB.exe
  • Size 32.5MB
  • Sample260508-wp7d8afs3n
  • SHA256 229ab5c6f62bc63d566a57c60a0500e62fa05215c5b39a00bf2972db1052106c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: xmrig

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
  • XMRig Miner payload 2 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 14 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 3 IoCs
  • Identifies Wine through registry keys 2 TTPs 4 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 7 IoCs
  • Indicator Removal: Clear Persistence 1 TTPs 1 IoCs

    Clear artifacts associated with previously established persistence like scheduletasks on a host.

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Looks up external IP address via web service 1 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • UPX packed file 46 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42AE90BB.exe
    "C:\Users\Admin\AppData\Local\Temp\42AE90BB.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\zisbm.exe
      C:\Users\Admin\AppData\Local\Temp\zisbm.exe
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4008
      • C:\ProgramData\qbclient.exe
        "C:\ProgramData\qbclient.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Server Software Component: Terminal Services DLL
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1432
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c schtasks /delete /tn UpdateInfo /F
          4⤵
          • Indicator Removal: Clear Persistence
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5784
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /delete /tn UpdateInfo /F
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1896
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c schtasks /create /sc MINUTE /tn UpdateInfo /tr "C:\ProgramData\qbclient.exe" /mo 30 /RU "NT Authority\System"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3720
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc MINUTE /tn UpdateInfo /tr "C:\ProgramData\qbclient.exe" /mo 30 /RU "NT Authority\System"
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1488
        • C:\Windows\system32\conhost.exe
          "C:\Windows\Sysnative\conhost.exe"
          4⤵
          • Checks BIOS information in registry
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2504
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe
            5⤵
              PID:2560
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\255.bat
          3⤵
          • System Location Discovery: System Language Discovery
          PID:3304
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\42AE90BB.exe > nul
        2⤵
        • System Location Discovery: System Language Discovery
        PID:468
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k UISrvicesGroup -s UISrv
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4164
      • C:\Windows\system32\conhost.exe
        "C:\Windows\Sysnative\conhost.exe"
        2⤵
        • Checks BIOS information in registry
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5524
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe
          3⤵
            PID:5432
      • C:\ProgramData\qbclient.exe
        C:\ProgramData\qbclient.exe
        1⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1508
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UISrvicesGroup
        1⤵
          PID:1120

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              255.bat

              • Path C:\255.bat
              • Size 913B
              • SHA256 891345347636fac50356a5002f5ad3a4645021395d197a820b07f19f94523669
              • MD5 SHA1 SHA512 TLSH

              qbclient.exe

              • Path C:\ProgramData\qbclient.exe
              • Size 529KB
              • SHA256 916e6c7bf35dca06f595455646841b8f21c4baf6bc0bb2746e99ffc5bd387224
              • MD5 SHA1 SHA512 SSDEEP TLSH

              qbcore.dll

              • Path C:\ProgramData\qbcore.dll
              • Size 41.2MB
              • SHA256 10e1c42f447523ec90bd5467ff62f9322daa6dde023fd065b35532ad2d354d78
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ubsfecjhz.dll

              • Path C:\Users\Admin\AppData\Local\Temp\ubsfecjhz.dll
              • Size 25.0MB
              • SHA256 70b0599f5736817e243b9b66d0db7e70937d58d72d2e22c4c1d375911c37a39a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              xg-cuda.dll

              • Path C:\Users\Admin\AppData\Local\Temp\xg-cuda.dll
              • Size 19.4MB
              • SHA256 efc5aed12a2ed2474fa0eccd60d3ff77ff11af980094592edd2bfa47db136bf1
              • MD5 SHA1 SHA512 SSDEEP TLSH

              xgl.log

              • Path C:\Windows\System32\xgl.log
              • Size 2KB
              • SHA256 4a800515fee85b6d3d6a8c5fb63c446de0f64b168cad663fad6f682eda9cc57a
              • MD5 SHA1 SHA512 TLSH

              uxqqmjkfuicq.dll

              • Path C:\Windows\TEMP\uxqqmjkfuicq.dll
              • Size 25.0MB
              • SHA256 bde7c0f2c8841dd5268c4d0476a1d27b471a00f0c26fd92d386c61c391d90c19
              • MD5 SHA1 SHA512 SSDEEP TLSH

              uisrv

              • Path C:\uisrv
              • Size 4B
              • SHA256 66f17a4899f9eafbf01a4dcde73c3baadb396b24424cdfd4dad725a696a5036e
              • MD5 SHA1 SHA512

              memory/1432-149-0x0000000010000000-0x000000001146A000-memory.dmp

              memory/1432-143-0x0000000010000000-0x000000001146A000-memory.dmp

              memory/1432-130-0x0000000010000000-0x000000001146A000-memory.dmp

              memory/1432-184-0x0000000010000000-0x000000001146A000-memory.dmp

              memory/1508-136-0x0000000010000000-0x000000001146A000-memory.dmp

              memory/1992-52-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-12-0x0000000006AB0000-0x0000000006AB1000-memory.dmp

              memory/1992-28-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-23-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-57-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-68-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-69-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-65-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-66-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-62-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-60-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-55-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-0-0x0000000000400000-0x0000000002724000-memory.dmp

              memory/1992-47-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-45-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-43-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-41-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-22-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-39-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-37-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-35-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-33-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-30-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-31-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-49-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-119-0x0000000000400000-0x0000000002724000-memory.dmp

              memory/1992-9-0x0000000006950000-0x0000000006951000-memory.dmp

              memory/1992-8-0x0000000006970000-0x0000000006971000-memory.dmp

              memory/1992-7-0x0000000006900000-0x0000000006901000-memory.dmp

              memory/1992-6-0x0000000006980000-0x0000000006981000-memory.dmp

              memory/1992-4-0x0000000006920000-0x0000000006921000-memory.dmp

              memory/1992-3-0x0000000006940000-0x0000000006942000-memory.dmp

              memory/1992-1-0x00000000068E0000-0x00000000068E1000-memory.dmp

              memory/1992-2-0x00000000069A0000-0x00000000069A1000-memory.dmp

              memory/1992-5-0x0000000006990000-0x0000000006992000-memory.dmp

              memory/1992-11-0x0000000006AE0000-0x0000000006AE1000-memory.dmp

              memory/1992-10-0x0000000006960000-0x0000000006961000-memory.dmp

              memory/1992-13-0x0000000006930000-0x0000000006931000-memory.dmp

              memory/1992-21-0x00000000068F0000-0x00000000068F1000-memory.dmp

              memory/1992-20-0x0000000006910000-0x0000000006911000-memory.dmp

              memory/1992-14-0x0000000006A60000-0x0000000006A61000-memory.dmp

              memory/1992-19-0x0000000006A50000-0x0000000006A51000-memory.dmp

              memory/1992-18-0x0000000006B40000-0x0000000006B42000-memory.dmp

              memory/1992-17-0x0000000006AD0000-0x0000000006AD1000-memory.dmp

              memory/1992-16-0x0000000006AC0000-0x0000000006AC1000-memory.dmp

              memory/1992-26-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/1992-15-0x00000000069C0000-0x00000000069C1000-memory.dmp

              memory/2504-167-0x0000000000D00000-0x0000000000D01000-memory.dmp

              memory/2504-173-0x0000000000D00000-0x0000000000D01000-memory.dmp

              memory/2504-172-0x0000014351EE0000-0x0000014351EF4000-memory.dmp

              memory/2504-186-0x00007FF8C2FC0000-0x00007FF8C37F5000-memory.dmp

              memory/4008-115-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-101-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-93-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-85-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-77-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-76-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-122-0x0000000000400000-0x0000000002724000-memory.dmp

              memory/4008-123-0x0000000000400000-0x0000000002724000-memory.dmp

              memory/4008-83-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-87-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-105-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-95-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-91-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-97-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-142-0x0000000000400000-0x0000000002724000-memory.dmp

              memory/4008-99-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-188-0x0000000000400000-0x0000000002724000-memory.dmp

              memory/4008-145-0x0000000000400000-0x0000000002724000-memory.dmp

              memory/4008-148-0x0000000000400000-0x0000000002724000-memory.dmp

              memory/4008-81-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-151-0x0000000000400000-0x0000000002724000-memory.dmp

              memory/4008-74-0x0000000000400000-0x0000000002724000-memory.dmp

              memory/4008-154-0x0000000000400000-0x0000000002724000-memory.dmp

              memory/4008-157-0x0000000000400000-0x0000000002724000-memory.dmp

              memory/4008-103-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-109-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-111-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-113-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-117-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-79-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-107-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4008-183-0x0000000000400000-0x0000000002724000-memory.dmp

              memory/4008-89-0x0000000010000000-0x000000001003E000-memory.dmp

              memory/4164-185-0x0000000010000000-0x000000001146A000-memory.dmp

              memory/4164-153-0x0000000010000000-0x000000001146A000-memory.dmp

              memory/4164-144-0x0000000010000000-0x000000001146A000-memory.dmp

              memory/5524-179-0x0000000000A70000-0x0000000000A71000-memory.dmp

              memory/5524-171-0x0000000000A70000-0x0000000000A71000-memory.dmp

              memory/5524-187-0x00007FF8C2780000-0x00007FF8C2FB5000-memory.dmp