Overview

overview

10

Static

static

3

tmpqa2649t1.exe

windows10-ltsc_2021-x64

10

tmpqa2649t1.exe

windows10-2004-x64

10

tmpqa2649t1.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • 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, 03:36

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    tmpqa2649t1.exe
  • Size 1016KB
  • Sample260602-d5zp7set7n
  • SHA256 19bfc62f4162a8399e6c22f14721710d96007e027aaa8154e3d80bb725c360e4
  • 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 5 IoCs
    persistence
  • UAC bypass 3 TTPs 14 IoCs
    defense_evasiontrojan
  • Adds policy Run key to start application 2 TTPs 32 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 10 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 7 IoCs

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

  • Drops file in System32 directory 39 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 39 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 40 IoCs
    defense_evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmpqa2649t1.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpqa2649t1.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe
      "C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe" "c:\users\admin\appdata\local\temp\tmpqa2649t1.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:4704
      • C:\Users\Admin\AppData\Local\Temp\hpzgmo.exe
        "C:\Users\Admin\AppData\Local\Temp\hpzgmo.exe" "-C:\Users\Admin\AppData\Local\Temp\tlfwmykayjugpogy.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:3036
      • C:\Users\Admin\AppData\Local\Temp\hpzgmo.exe
        "C:\Users\Admin\AppData\Local\Temp\hpzgmo.exe" "-C:\Users\Admin\AppData\Local\Temp\tlfwmykayjugpogy.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:60
    • C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe
      "C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe" "c:\users\admin\appdata\local\temp\tmpqa2649t1.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:4380
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:436
  • C:\Windows\jdzskymeeresdeysjw.exe
    jdzskymeeresdeysjw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2464
  • C:\Windows\tlfwmykayjugpogy.exe
    tlfwmykayjugpogy.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1440
    • C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe
      "C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe" "c:\windows\tlfwmykayjugpogy.exe*."
      2⤵
      • Executes dropped EXE
      PID:1232
  • C:\Windows\hdbwqgwqshwmzcyuncdz.exe
    hdbwqgwqshwmzcyuncdz.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2272
  • C:\Users\Admin\AppData\Local\Temp\hdbwqgwqshwmzcyuncdz.exe
    C:\Users\Admin\AppData\Local\Temp\hdbwqgwqshwmzcyuncdz.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3932
  • C:\Windows\upmgzodwxlzoacxskyy.exe
    upmgzodwxlzoacxskyy.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3780
    • C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe
      "C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe" "c:\windows\upmgzodwxlzoacxskyy.exe*."
      2⤵
      • Executes dropped EXE
      PID:2132
  • C:\Windows\tlfwmykayjugpogy.exe
    tlfwmykayjugpogy.exe
    1⤵
    • Executes dropped EXE
    PID:2996
  • C:\Windows\jdzskymeeresdeysjw.exe
    jdzskymeeresdeysjw.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1004
    • C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe
      "C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe" "c:\windows\jdzskymeeresdeysjw.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:868
  • C:\Windows\wtsojarmpfvmaebysikhg.exe
    wtsojarmpfvmaebysikhg.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3356
  • C:\Users\Admin\AppData\Local\Temp\atogxkxonzlyiibuk.exe
    C:\Users\Admin\AppData\Local\Temp\atogxkxonzlyiibuk.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1812
  • C:\Windows\hdbwqgwqshwmzcyuncdz.exe
    hdbwqgwqshwmzcyuncdz.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3888
    • C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe
      "C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe" "c:\windows\hdbwqgwqshwmzcyuncdz.exe*."
      2⤵
      • Executes dropped EXE
      PID:4476
  • C:\Windows\wtsojarmpfvmaebysikhg.exe
    wtsojarmpfvmaebysikhg.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe
      "C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe" "c:\windows\wtsojarmpfvmaebysikhg.exe*."
      2⤵
      • Executes dropped EXE
      PID:4912
  • C:\Windows\upmgzodwxlzoacxskyy.exe
    upmgzodwxlzoacxskyy.exe
    1⤵
    • Executes dropped EXE
    PID:2068
  • C:\Windows\atogxkxonzlyiibuk.exe
    atogxkxonzlyiibuk.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4000
    • C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe
      "C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe" "c:\windows\atogxkxonzlyiibuk.exe*."
      2⤵
      • Executes dropped EXE
      PID:3356
  • C:\Users\Admin\AppData\Local\Temp\wtsojarmpfvmaebysikhg.exe
    C:\Users\Admin\AppData\Local\Temp\wtsojarmpfvmaebysikhg.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4176
  • C:\Users\Admin\AppData\Local\Temp\upmgzodwxlzoacxskyy.exe
    C:\Users\Admin\AppData\Local\Temp\upmgzodwxlzoacxskyy.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3584
  • C:\Windows\atogxkxonzlyiibuk.exe
    atogxkxonzlyiibuk.exe
    1⤵
    • Executes dropped EXE
    PID:4944
  • C:\Users\Admin\AppData\Local\Temp\tlfwmykayjugpogy.exe
    C:\Users\Admin\AppData\Local\Temp\tlfwmykayjugpogy.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1764
  • C:\Users\Admin\AppData\Local\Temp\jdzskymeeresdeysjw.exe
    C:\Users\Admin\AppData\Local\Temp\jdzskymeeresdeysjw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4776

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

        Query Registry

        1
        T1012

        System Information Discovery

        3
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        Lateral Movement

        Collection

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hpzgmo.exe
        • Path C:\Users\Admin\AppData\Local\Temp\hpzgmo.exe
        • Size 712KB
        • SHA256 3c81894afbd21bcf1a724444c31c1deec11bdacb2a112640e37c75f62173aba8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        lswqdqagvcg.exe
        • Path C:\Users\Admin\AppData\Local\Temp\lswqdqagvcg.exe
        • Size 320KB
        • SHA256 13e19b2dd364d31ccafa5f6e2613fba24578ab7354585870eea8a8aa8b04c539
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        tlfwmykayjugpogynyvnhyoamcalwirqiapaxp.aqc
        • Path C:\Users\Admin\AppData\Local\tlfwmykayjugpogynyvnhyoamcalwirqiapaxp.aqc
        • Size 4KB
        • SHA256 8f6c9e13cfc572cc99732c4d378e3f0e79df73948812b381d7164e7d413bfb6a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        wdmsxyzerrrsqelswwipyejklqd.dec
        • Path C:\Users\Admin\AppData\Local\wdmsxyzerrrsqelswwipyejklqd.dec
        • Size 280B
        • SHA256 f291e7e4c6a107580b4a6876b60b7874e9a32b9e816c40df8a905d3e8e5fe044
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        jdzskymeeresdeysjw.exe
        • Path C:\Windows\SysWOW64\jdzskymeeresdeysjw.exe
        • Size 1016KB
        • SHA256 19bfc62f4162a8399e6c22f14721710d96007e027aaa8154e3d80bb725c360e4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download