Overview

overview

10

Static

static

3

tmp2y9xv4je.exe

windows10-ltsc_2021-x64

10

tmp2y9xv4je.exe

windows10-2004-x64

10

tmp2y9xv4je.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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, 03:44

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    tmp2y9xv4je.exe
  • Size 548KB
  • Sample260602-eazbmaew2p
  • SHA256 47b0c68c97a03bd0a32d47e9f3b220078bf78d693b1ea661a29b8f8e13f4124d
  • 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\tmp2y9xv4je.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp2y9xv4je.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\users\admin\appdata\local\temp\tmp2y9xv4je.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:3960
      • C:\Users\Admin\AppData\Local\Temp\jsxhhp.exe
        "C:\Users\Admin\AppData\Local\Temp\jsxhhp.exe" "-C:\Users\Admin\AppData\Local\Temp\vodxhzlauibolkcw.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:1340
      • C:\Users\Admin\AppData\Local\Temp\jsxhhp.exe
        "C:\Users\Admin\AppData\Local\Temp\jsxhhp.exe" "-C:\Users\Admin\AppData\Local\Temp\vodxhzlauibolkcw.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:1152
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\users\admin\appdata\local\temp\tmp2y9xv4je.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:4316
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:1228
  • C:\Windows\lgxtfzneaqlazauqpb.exe
    lgxtfzneaqlazauqpb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1048
  • C:\Windows\ywqpebsmlecuwaxwynmke.exe
    ywqpebsmlecuwaxwynmke.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\windows\ywqpebsmlecuwaxwynmke.exe*."
      2⤵
      • Executes dropped EXE
      PID:4316
  • C:\Windows\cwmhslyojysgeexsq.exe
    cwmhslyojysgeexsq.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3600
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\windows\cwmhslyojysgeexsq.exe*."
      2⤵
      • Executes dropped EXE
      PID:3408
  • C:\Windows\wskhupewtkgwwytqqda.exe
    wskhupewtkgwwytqqda.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1776
  • C:\Users\Admin\AppData\Local\Temp\lgxtfzneaqlazauqpb.exe
    C:\Users\Admin\AppData\Local\Temp\lgxtfzneaqlazauqpb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5320
  • C:\Users\Admin\AppData\Local\Temp\wskhupewtkgwwytqqda.exe
    C:\Users\Admin\AppData\Local\Temp\wskhupewtkgwwytqqda.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3980
  • C:\Windows\vodxhzlauibolkcw.exe
    vodxhzlauibolkcw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3544
  • C:\Windows\jgzxlhxqogduvyusthfc.exe
    jgzxlhxqogduvyusthfc.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\windows\jgzxlhxqogduvyusthfc.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:4056
  • C:\Windows\wskhupewtkgwwytqqda.exe
    wskhupewtkgwwytqqda.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5552
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\windows\wskhupewtkgwwytqqda.exe*."
      2⤵
      • Executes dropped EXE
      PID:2460
  • C:\Users\Admin\AppData\Local\Temp\ywqpebsmlecuwaxwynmke.exe
    C:\Users\Admin\AppData\Local\Temp\ywqpebsmlecuwaxwynmke.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1224
  • C:\Windows\cwmhslyojysgeexsq.exe
    cwmhslyojysgeexsq.exe
    1⤵
    • Executes dropped EXE
    PID:2288
  • C:\Users\Admin\AppData\Local\Temp\vodxhzlauibolkcw.exe
    C:\Users\Admin\AppData\Local\Temp\vodxhzlauibolkcw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5312
  • C:\Users\Admin\AppData\Local\Temp\cwmhslyojysgeexsq.exe
    C:\Users\Admin\AppData\Local\Temp\cwmhslyojysgeexsq.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2220
  • C:\Users\Admin\AppData\Local\Temp\jgzxlhxqogduvyusthfc.exe
    C:\Users\Admin\AppData\Local\Temp\jgzxlhxqogduvyusthfc.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5984
  • C:\Windows\vodxhzlauibolkcw.exe
    vodxhzlauibolkcw.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4004
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\windows\vodxhzlauibolkcw.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:5264
  • C:\Windows\lgxtfzneaqlazauqpb.exe
    lgxtfzneaqlazauqpb.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1220
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\windows\lgxtfzneaqlazauqpb.exe*."
      2⤵
      • Executes dropped EXE
      PID:1108
  • C:\Windows\ywqpebsmlecuwaxwynmke.exe
    ywqpebsmlecuwaxwynmke.exe
    1⤵
    • Executes dropped EXE
    PID:1496
  • C:\Windows\jgzxlhxqogduvyusthfc.exe
    jgzxlhxqogduvyusthfc.exe
    1⤵
    • Executes dropped EXE
    PID:5344

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

        Loading Replay Monitor...

        Downloads

        jsxhhp.exe
        • Path C:\Users\Admin\AppData\Local\Temp\jsxhhp.exe
        • Size 708KB
        • SHA256 bfb86c321ad1cb64ba5fef71f7401751174e26b440fc12329dbf332aeb75059a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        sasmzoglckc.exe
        • Path C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
        • Size 320KB
        • SHA256 da56a49197ed18b18aa23df206f2634d54a9a4f2dfbcd5831de2a3a715b7540d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        acadwxsqtqsoucdgmfiki.efa
        • Path C:\Users\Admin\AppData\Local\acadwxsqtqsoucdgmfiki.efa
        • Size 280B
        • SHA256 ce947638d1c4127c5207e3381aaa497daed8d237166c57477680b5f5bbdda0d0
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        virfjvbkygtarkwkbftgpdhtziwerypi.izd
        • Path C:\Users\Admin\AppData\Local\virfjvbkygtarkwkbftgpdhtziwerypi.izd
        • Size 4KB
        • SHA256 3b7b3543d1cf4daccb0c0410ada4e70b18f265e60345601d82be7f10667cd9ca
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        lgxtfzneaqlazauqpb.exe
        • Path C:\Windows\SysWOW64\lgxtfzneaqlazauqpb.exe
        • Size 548KB
        • SHA256 47b0c68c97a03bd0a32d47e9f3b220078bf78d693b1ea661a29b8f8e13f4124d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download