Overview

overview

10

Static

static

3

tmpqhghzawv.exe

windows10-ltsc_2021-x64

10

tmpqhghzawv.exe

windows10-2004-x64

10

tmpqhghzawv.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 03:51

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General

  • Target
    tmpqhghzawv.exe
  • Size 476KB
  • Sample260602-eekc9sdt6x
  • SHA256 82152e68c39ffa853a1c37a91298921e7707bf0ce29fb0e18668a08d95a7f166
  • 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 36 IoCs
    persistence
  • Disables RegEdit via registry modification 6 IoCs
    defense_evasion
  • 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 4 IoCs

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

  • Drops file in System32 directory 46 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 46 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\tmpqhghzawv.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpqhghzawv.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe
      "C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe" "c:\users\admin\appdata\local\temp\tmpqhghzawv.exe*"
      2⤵
      • 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 Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:3624
      • C:\Users\Admin\AppData\Local\Temp\xcnuzeo.exe
        "C:\Users\Admin\AppData\Local\Temp\xcnuzeo.exe" "-C:\Users\Admin\AppData\Local\Temp\wkeuiwpaxhzhaohw.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 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:1804
      • C:\Users\Admin\AppData\Local\Temp\xcnuzeo.exe
        "C:\Users\Admin\AppData\Local\Temp\xcnuzeo.exe" "-C:\Users\Admin\AppData\Local\Temp\wkeuiwpaxhzhaohw.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:2832
    • C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe
      "C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe" "c:\users\admin\appdata\local\temp\tmpqhghzawv.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:5144
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:2784
  • C:\Windows\xolevmiwwjeplcyqfub.exe
    xolevmiwwjeplcyqfub.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5852
  • C:\Windows\dsneticomxqzticsf.exe
    dsneticomxqzticsf.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5288
    • C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe
      "C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe" "c:\windows\dsneticomxqzticsf.exe*."
      2⤵
      • Executes dropped EXE
      PID:1604
  • C:\Windows\wkeuiwpaxhzhaohw.exe
    wkeuiwpaxhzhaohw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4656
  • C:\Users\Admin\AppData\Local\Temp\zsrmfywmodanlecwnengf.exe
    C:\Users\Admin\AppData\Local\Temp\zsrmfywmodanlecwnengf.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4912
  • C:\Windows\zsrmfywmodanlecwnengf.exe
    zsrmfywmodanlecwnengf.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5172
    • C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe
      "C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe" "c:\windows\zsrmfywmodanlecwnengf.exe*."
      2⤵
      • Executes dropped EXE
      PID:4276
  • C:\Users\Admin\AppData\Local\Temp\wkeuiwpaxhzhaohw.exe
    C:\Users\Admin\AppData\Local\Temp\wkeuiwpaxhzhaohw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5756
  • C:\Windows\zsrmfywmodanlecwnengf.exe
    zsrmfywmodanlecwnengf.exe
    1⤵
    • Executes dropped EXE
    PID:1500
  • C:\Windows\wkeuiwpaxhzhaohw.exe
    wkeuiwpaxhzhaohw.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6140
    • C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe
      "C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe" "c:\windows\wkeuiwpaxhzhaohw.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:4672
  • C:\Users\Admin\AppData\Local\Temp\kcaumebqrfbnkczsiygy.exe
    C:\Users\Admin\AppData\Local\Temp\kcaumebqrfbnkczsiygy.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3804
  • C:\Windows\dsneticomxqzticsf.exe
    dsneticomxqzticsf.exe
    1⤵
    • Executes dropped EXE
    PID:3808
  • C:\Windows\kcaumebqrfbnkczsiygy.exe
    kcaumebqrfbnkczsiygy.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5484
  • C:\Users\Admin\AppData\Local\Temp\xolevmiwwjeplcyqfub.exe
    C:\Users\Admin\AppData\Local\Temp\xolevmiwwjeplcyqfub.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:404
  • C:\Windows\mcyqgwredpjtoezqes.exe
    mcyqgwredpjtoezqes.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe
      "C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe" "c:\windows\mcyqgwredpjtoezqes.exe*."
      2⤵
      • Executes dropped EXE
      PID:1564
  • C:\Users\Admin\AppData\Local\Temp\mcyqgwredpjtoezqes.exe
    C:\Users\Admin\AppData\Local\Temp\mcyqgwredpjtoezqes.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4812
  • C:\Users\Admin\AppData\Local\Temp\dsneticomxqzticsf.exe
    C:\Users\Admin\AppData\Local\Temp\dsneticomxqzticsf.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3508
  • C:\Windows\xolevmiwwjeplcyqfub.exe
    xolevmiwwjeplcyqfub.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5564
    • C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe
      "C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe" "c:\windows\xolevmiwwjeplcyqfub.exe*."
      2⤵
      • Executes dropped EXE
      PID:5208
  • C:\Windows\kcaumebqrfbnkczsiygy.exe
    kcaumebqrfbnkczsiygy.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4764
    • C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe
      "C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe" "c:\windows\kcaumebqrfbnkczsiygy.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:5096
  • C:\Windows\mcyqgwredpjtoezqes.exe
    mcyqgwredpjtoezqes.exe
    1⤵
    • Executes dropped EXE
    PID:4596

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        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

        System Information Discovery

        2
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        Lateral Movement

        Collection

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

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        Downloads

        qthqeovcadr.exe
        • Path C:\Users\Admin\AppData\Local\Temp\qthqeovcadr.exe
        • Size 320KB
        • SHA256 0cc02d34d5fd4cf892fed282f98c1ad3e7dd6159a8877ae5c46d3f834ed36060
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        xcnuzeo.exe
        • Path C:\Users\Admin\AppData\Local\Temp\xcnuzeo.exe
        • Size 712KB
        • SHA256 bec697a029716778fddeaf44ce160bdccda8d654a5ff5e7e49fd8d204298cbce
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        qsaegipozxdzgipssskmuyacji.rxt
        • Path C:\Users\Admin\AppData\Local\qsaegipozxdzgipssskmuyacji.rxt
        • Size 272B
        • SHA256 1efcbe82330a95c4ee0fa81f798978ecbe7e76b76eae5ad50adef4abf6ebc231
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        rexmzmeoktkrjwocnybohwjwoyudubtgymxil.rgt
        • Path C:\Users\Admin\AppData\Local\rexmzmeoktkrjwocnybohwjwoyudubtgymxil.rgt
        • Size 3KB
        • SHA256 0abd15bad14afa6112c31e518743ec2c9cffa113d451d8eb9796e287c740f9d4
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        mcyqgwredpjtoezqes.exe
        • Path C:\Windows\SysWOW64\mcyqgwredpjtoezqes.exe
        • Size 476KB
        • SHA256 82152e68c39ffa853a1c37a91298921e7707bf0ce29fb0e18668a08d95a7f166
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download