Overview

overview

10

Static

static

3

tmp1nu8bpd7.exe

windows10-ltsc_2021-x64

10

tmp1nu8bpd7.exe

windows10-2004-x64

10

tmp1nu8bpd7.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/06/2026, 03:25

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General

  • Target
    tmp1nu8bpd7.exe
  • Size 652KB
  • Sample260602-dytklscy5s
  • SHA256 21cf2dbc94539534633514f66bbd96351456ce3c5e8a7da2bac76d4f84435b1f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoverypykspapersistenceprivilege_escalationtrojanworm

Malware Config

Signatures

  • Family: Pykspa

    Pykspa is a worm spreads via Skype uses DGA and it's written in C++.

    wormpykspa
  • Detect Pykspa worm 2 IoCs
    worm
  • Modifies WinLogon for persistence 2 TTPs 6 IoCs
    persistence
  • UAC bypass 3 TTPs 15 IoCs
    defense_evasiontrojan
  • Adds policy Run key to start application 2 TTPs 35 IoCs
    persistence
  • Disables RegEdit via registry modification 6 IoCs
    defense_evasion
  • Checks computer location settings 2 TTPs 8 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 28 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 6 IoCs
    defense_evasion
  • Adds Run key to start application 2 TTPs 64 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 12 IoCs
    defense_evasiontrojan
  • Hijack Execution Flow: Executable Installer File Permissions Weakness 1 TTPs 3 IoCs

    Possible Turn off User Account Control's privilege elevation for standard users.

    defense_evasionpersistenceprivilege_escalation
  • Looks up external IP address via web service 9 IoCs

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

  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 55 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 18 IoCs

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

    discovery
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • System policy modification 1 TTPs 42 IoCs
    defense_evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp1nu8bpd7.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp1nu8bpd7.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3408
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\users\admin\appdata\local\temp\tmp1nu8bpd7.exe*"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Hijack Execution Flow: Executable Installer File Permissions Weakness
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:3156
      • C:\Users\Admin\AppData\Local\Temp\xdmxcdo.exe
        "C:\Users\Admin\AppData\Local\Temp\xdmxcdo.exe" "-C:\Users\Admin\AppData\Local\Temp\wldxlvpbuizohplv.exe"
        3⤵
        • Modifies WinLogon for persistence
        • UAC bypass
        • Adds policy Run key to start application
        • Disables RegEdit via registry modification
        • Executes dropped EXE
        • Impair Defenses: Safe Mode Boot
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Hijack Execution Flow: Executable Installer File Permissions Weakness
        • Drops autorun.inf file
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • System policy modification
        PID:2856
      • C:\Users\Admin\AppData\Local\Temp\xdmxcdo.exe
        "C:\Users\Admin\AppData\Local\Temp\xdmxcdo.exe" "-C:\Users\Admin\AppData\Local\Temp\wldxlvpbuizohplv.exe"
        3⤵
        • Modifies WinLogon for persistence
        • UAC bypass
        • Adds policy Run key to start application
        • Disables RegEdit via registry modification
        • Executes dropped EXE
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Hijack Execution Flow: Executable Installer File Permissions Weakness
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System policy modification
        PID:3436
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\users\admin\appdata\local\temp\tmp1nu8bpd7.exe"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System policy modification
      PID:4224
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:1132
  • C:\Windows\ztqpixwnleausfgvsynhe.exe
    ztqpixwnleausfgvsynhe.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2892
  • C:\Windows\xpkhylixtkewsdcpkob.exe
    xpkhylixtkewsdcpkob.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:924
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\xpkhylixtkewsdcpkob.exe*."
      2⤵
      • Executes dropped EXE
      PID:1232
  • C:\Users\Admin\AppData\Local\Temp\ztqpixwnleausfgvsynhe.exe
    C:\Users\Admin\AppData\Local\Temp\ztqpixwnleausfgvsynhe.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2008
  • C:\Users\Admin\AppData\Local\Temp\kdzxpdbrogburddrnsgz.exe
    C:\Users\Admin\AppData\Local\Temp\kdzxpdbrogburddrnsgz.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2968
  • C:\Windows\xpkhylixtkewsdcpkob.exe
    xpkhylixtkewsdcpkob.exe
    1⤵
    • Executes dropped EXE
    PID:1872
  • C:\Windows\wldxlvpbuizohplv.exe
    wldxlvpbuizohplv.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3588
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\wldxlvpbuizohplv.exe*."
      2⤵
      • Executes dropped EXE
      PID:916
  • C:\Windows\mdxtjvrfaqjavfdpjm.exe
    mdxtjvrfaqjavfdpjm.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2252
  • C:\Users\Admin\AppData\Local\Temp\wldxlvpbuizohplv.exe
    C:\Users\Admin\AppData\Local\Temp\wldxlvpbuizohplv.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1748
  • C:\Windows\wldxlvpbuizohplv.exe
    wldxlvpbuizohplv.exe
    1⤵
    • Executes dropped EXE
    PID:892
  • C:\Users\Admin\AppData\Local\Temp\dtmhwhcpjyqgajgrk.exe
    C:\Users\Admin\AppData\Local\Temp\dtmhwhcpjyqgajgrk.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4556
  • C:\Windows\ztqpixwnleausfgvsynhe.exe
    ztqpixwnleausfgvsynhe.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3444
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\ztqpixwnleausfgvsynhe.exe*."
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System policy modification
      PID:212
  • C:\Windows\dtmhwhcpjyqgajgrk.exe
    dtmhwhcpjyqgajgrk.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4456
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\dtmhwhcpjyqgajgrk.exe*."
      2⤵
      • Executes dropped EXE
      PID:2708
  • C:\Windows\dtmhwhcpjyqgajgrk.exe
    dtmhwhcpjyqgajgrk.exe
    1⤵
    • Executes dropped EXE
    PID:1636
  • C:\Windows\mdxtjvrfaqjavfdpjm.exe
    mdxtjvrfaqjavfdpjm.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4268
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\mdxtjvrfaqjavfdpjm.exe*."
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System policy modification
      PID:1172
  • C:\Windows\kdzxpdbrogburddrnsgz.exe
    kdzxpdbrogburddrnsgz.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1712
  • C:\Users\Admin\AppData\Local\Temp\mdxtjvrfaqjavfdpjm.exe
    C:\Users\Admin\AppData\Local\Temp\mdxtjvrfaqjavfdpjm.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3308
  • C:\Users\Admin\AppData\Local\Temp\xpkhylixtkewsdcpkob.exe
    C:\Users\Admin\AppData\Local\Temp\xpkhylixtkewsdcpkob.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:400
  • C:\Windows\kdzxpdbrogburddrnsgz.exe
    kdzxpdbrogburddrnsgz.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\kdzxpdbrogburddrnsgz.exe*."
      2⤵
      • Executes dropped EXE
      PID:768

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        Replication Through Removable Media

        1
        T1091

        Execution

        Persistence

        Boot or Logon Autostart Execution

        3
        T1547

        Registry Run Keys / Startup Folder

        2
        T1547.001

        Winlogon Helper DLL

        1
        T1547.004

        Hijack Execution Flow

        1
        T1574

        Executable Installer File Permissions Weakness

        1
        T1574.005

        Privilege Escalation

        Abuse Elevation Control Mechanism

        1
        T1548

        Bypass User Account Control

        1
        T1548.002

        Boot or Logon Autostart Execution

        3
        T1547

        Registry Run Keys / Startup Folder

        2
        T1547.001

        Winlogon Helper DLL

        1
        T1547.004

        Hijack Execution Flow

        1
        T1574

        Executable Installer File Permissions Weakness

        1
        T1574.005

        Defense Evasion

        Abuse Elevation Control Mechanism

        1
        T1548

        Bypass User Account Control

        1
        T1548.002

        Hijack Execution Flow

        1
        T1574

        Executable Installer File Permissions Weakness

        1
        T1574.005

        Impair Defenses

        2
        T1562

        Disable or Modify Tools

        1
        T1562.001

        Safe Mode Boot

        1
        T1562.009

        Modify Registry

        5
        T1112

        Credential Access

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        3
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        Lateral Movement

        Replication Through Removable Media

        1
        T1091

        Collection

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        bzadatwrtqqoqhmfgqjhi.ibe
        • Path C:\Program Files (x86)\bzadatwrtqqoqhmfgqjhi.ibe
        • Size 260B
        • SHA256 8ff5c115c3c1fdad828cd6dc61cf5c167eeaa95cbb8074d730bac83dc2f7eb06
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        bzadatwrtqqoqhmfgqjhi.ibe
        • Path C:\Program Files (x86)\bzadatwrtqqoqhmfgqjhi.ibe
        • Size 260B
        • SHA256 6341074225c408bcd5690de7c751fe42073d437360f36786a26fe6a94adc32b4
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        bzadatwrtqqoqhmfgqjhi.ibe
        • Path C:\Program Files (x86)\bzadatwrtqqoqhmfgqjhi.ibe
        • Size 260B
        • SHA256 95ea411baeb8f34921031a313ad0ddcd0b6b210bf067ad94b001d1e0961425c1
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        RCX2349.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\kpxhll\RCX2349.tmp
        • Size 1.1MB
        • SHA256 96baaf702e5464aab278e950d6e18084697eb3076fe65ca8f6a32f9b4d89bd92
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        qaorinawaky.exe
        • Path C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
        • Size 320KB
        • SHA256 34a5f9e2b494b086abad2721019be271fa43350c9146f000e50fe554f170743d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        xdmxcdo.exe
        • Path C:\Users\Admin\AppData\Local\Temp\xdmxcdo.exe
        • Size 704KB
        • SHA256 624172b7b30a7caa423c9171a46038b4542963c9cf5ebe54b12a4629c7a80e91
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        bzadatwrtqqoqhmfgqjhi.ibe
        • Path C:\Users\Admin\AppData\Local\bzadatwrtqqoqhmfgqjhi.ibe
        • Size 260B
        • SHA256 806ee6428f19b90010625986a9d8430984000f13e4e71e533138d4fbb15b035d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        wfrfnrflygranpfjvqudpdlpdjwepyln.hto
        • Path C:\Users\Admin\AppData\Local\wfrfnrflygranpfjvqudpdlpdjwepyln.hto
        • Size 3KB
        • SHA256 eff01ac640385565af23aa407a20ea5fb95f69644a27589030dba471572c6605
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        mdxtjvrfaqjavfdpjm.exe
        • Path C:\Windows\SysWOW64\mdxtjvrfaqjavfdpjm.exe
        • Size 652KB
        • SHA256 21cf2dbc94539534633514f66bbd96351456ce3c5e8a7da2bac76d4f84435b1f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download