Overview

overview

10

Static

static

3

tmph3s3quw6.exe

windows10-ltsc_2021-x64

10

tmph3s3quw6.exe

windows10-2004-x64

10

tmph3s3quw6.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    118s
  • 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, 02:47

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General

  • Target
    tmph3s3quw6.exe
  • Size 832KB
  • Sample260602-c97e6sdv8n
  • SHA256 abf3916e81831ed2eb4441e7c2dc64bc25ac8106171dfdf1a5c24db5b8e59e3b
  • 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
  • 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\tmph3s3quw6.exe
    "C:\Users\Admin\AppData\Local\Temp\tmph3s3quw6.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\users\admin\appdata\local\temp\tmph3s3quw6.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:4364
      • C:\Users\Admin\AppData\Local\Temp\opuegm.exe
        "C:\Users\Admin\AppData\Local\Temp\opuegm.exe" "-C:\Users\Admin\AppData\Local\Temp\alaugwsetjdamcnp.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:716
      • C:\Users\Admin\AppData\Local\Temp\opuegm.exe
        "C:\Users\Admin\AppData\Local\Temp\opuegm.exe" "-C:\Users\Admin\AppData\Local\Temp\alaugwsetjdamcnp.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:5584
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\users\admin\appdata\local\temp\tmph3s3quw6.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:2936
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:568
  • C:\Windows\qduqewuizrnmasfjtx.exe
    qduqewuizrnmasfjtx.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5748
  • C:\Windows\dtnmdyzqkfegxsipcjrhb.exe
    dtnmdyzqkfegxsipcjrhb.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:704
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\dtnmdyzqkfegxsipcjrhb.exe*."
      2⤵
      • Executes dropped EXE
      PID:1972
  • C:\Windows\alaugwsetjdamcnp.exe
    alaugwsetjdamcnp.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\alaugwsetjdamcnp.exe*."
      2⤵
      • Executes dropped EXE
      PID:5460
  • C:\Users\Admin\AppData\Local\Temp\dtnmdyzqkfegxsipcjrhb.exe
    C:\Users\Admin\AppData\Local\Temp\dtnmdyzqkfegxsipcjrhb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2948
  • C:\Windows\odwukeeunhfgwqflxdkz.exe
    odwukeeunhfgwqflxdkz.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2092
  • C:\Windows\dtnmdyzqkfegxsipcjrhb.exe
    dtnmdyzqkfegxsipcjrhb.exe
    1⤵
    • Executes dropped EXE
    PID:1012
  • C:\Windows\odwukeeunhfgwqflxdkz.exe
    odwukeeunhfgwqflxdkz.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5220
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\odwukeeunhfgwqflxdkz.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:4680
  • C:\Users\Admin\AppData\Local\Temp\alaugwsetjdamcnp.exe
    C:\Users\Admin\AppData\Local\Temp\alaugwsetjdamcnp.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4720
  • C:\Windows\alaugwsetjdamcnp.exe
    alaugwsetjdamcnp.exe
    1⤵
    • Executes dropped EXE
    PID:4424
  • C:\Windows\bphetmlasliixqejuzf.exe
    bphetmlasliixqejuzf.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\bphetmlasliixqejuzf.exe*."
      2⤵
      • Executes dropped EXE
      PID:2268
  • C:\Windows\qduqewuizrnmasfjtx.exe
    qduqewuizrnmasfjtx.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\qduqewuizrnmasfjtx.exe*."
      2⤵
      • Executes dropped EXE
      PID:3676
  • C:\Users\Admin\AppData\Local\Temp\htjerifsizusfwilu.exe
    C:\Users\Admin\AppData\Local\Temp\htjerifsizusfwilu.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2816
  • C:\Users\Admin\AppData\Local\Temp\odwukeeunhfgwqflxdkz.exe
    C:\Users\Admin\AppData\Local\Temp\odwukeeunhfgwqflxdkz.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2056
  • C:\Users\Admin\AppData\Local\Temp\qduqewuizrnmasfjtx.exe
    C:\Users\Admin\AppData\Local\Temp\qduqewuizrnmasfjtx.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4580
  • C:\Windows\htjerifsizusfwilu.exe
    htjerifsizusfwilu.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5412
  • C:\Users\Admin\AppData\Local\Temp\bphetmlasliixqejuzf.exe
    C:\Users\Admin\AppData\Local\Temp\bphetmlasliixqejuzf.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1036
  • C:\Windows\htjerifsizusfwilu.exe
    htjerifsizusfwilu.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4356
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\htjerifsizusfwilu.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:5656
  • C:\Windows\bphetmlasliixqejuzf.exe
    bphetmlasliixqejuzf.exe
    1⤵
    • Executes dropped EXE
    PID:5872

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

        opuegm.exe
        • Path C:\Users\Admin\AppData\Local\Temp\opuegm.exe
        • Size 696KB
        • SHA256 b57dd0fc986edcc1afa8db9483b7d46a3253b1fa951caba80f462e3c327231cd
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        umtekhkhewd.exe
        • Path C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
        • Size 320KB
        • SHA256 76b989baba256b308871fab59059139958b5578975e54fd17cad592d89f91900
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ifgmkmustvbkikhvpdspqwuw.cdf
        • Path C:\Users\Admin\AppData\Local\ifgmkmustvbkikhvpdspqwuw.cdf
        • Size 280B
        • SHA256 bb9f9a357e9e45aa0d9f9cda6000b99936e2c89bf008b9b7c4dbc6848359658e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        rzlclyramzqktgonsrrzlclyramzqktgons.rzl
        • Path C:\Users\Admin\AppData\Local\rzlclyramzqktgonsrrzlclyramzqktgons.rzl
        • Size 4KB
        • SHA256 cb133e00965a097522e7da62b27073f6fbd6028f2c10fde00de8a8e8a83be67f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        qduqewuizrnmasfjtx.exe
        • Path C:\Windows\SysWOW64\qduqewuizrnmasfjtx.exe
        • Size 832KB
        • SHA256 abf3916e81831ed2eb4441e7c2dc64bc25ac8106171dfdf1a5c24db5b8e59e3b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download