Overview

overview

10

Static

static

3

tmp6g0dk724.exe

windows10-ltsc_2021-x64

10

tmp6g0dk724.exe

windows10-2004-x64

10

tmp6g0dk724.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    158s
  • 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, 02:21

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    tmp6g0dk724.exe
  • Size 1016KB
  • Sample260602-cs6gjsbx4y
  • SHA256 789b40386b4928afd936c535878710d1c646c43a799e9382a4bee218ca0cf015
  • 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 34 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 autorun.inf file 1 TTPs 4 IoCs

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

  • 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 19 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\tmp6g0dk724.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp6g0dk724.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4944
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\users\admin\appdata\local\temp\tmp6g0dk724.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:3068
      • C:\Users\Admin\AppData\Local\Temp\wamqq.exe
        "C:\Users\Admin\AppData\Local\Temp\wamqq.exe" "-C:\Users\Admin\AppData\Local\Temp\tifufykgvidamcnp.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:4836
      • C:\Users\Admin\AppData\Local\Temp\wamqq.exe
        "C:\Users\Admin\AppData\Local\Temp\wamqq.exe" "-C:\Users\Admin\AppData\Local\Temp\tifufykgvidamcnp.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:776
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\users\admin\appdata\local\temp\tmp6g0dk724.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:780
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:5276
  • C:\Windows\ummesodcukiixqejuzy.exe
    ummesodcukiixqejuzy.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3988
  • C:\Windows\aqoeqkxukyusfwilu.exe
    aqoeqkxukyusfwilu.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3812
  • C:\Users\Admin\AppData\Local\Temp\ummesodcukiixqejuzy.exe
    C:\Users\Admin\AppData\Local\Temp\ummesodcukiixqejuzy.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5408
  • C:\Windows\aqoeqkxukyusfwilu.exe
    aqoeqkxukyusfwilu.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3092
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\aqoeqkxukyusfwilu.exe*."
      2⤵
      • Executes dropped EXE
      PID:1292
  • C:\Windows\jazqdymkbqnmasfjtx.exe
    jazqdymkbqnmasfjtx.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\jazqdymkbqnmasfjtx.exe*."
      2⤵
      • Executes dropped EXE
      PID:724
  • C:\Users\Admin\AppData\Local\Temp\tifufykgvidamcnp.exe
    C:\Users\Admin\AppData\Local\Temp\tifufykgvidamcnp.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5640
  • C:\Windows\ummesodcukiixqejuzy.exe
    ummesodcukiixqejuzy.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\ummesodcukiixqejuzy.exe*."
      2⤵
      • Executes dropped EXE
      PID:4544
  • C:\Windows\wqsmcarsmeegxsipcjkeg.exe
    wqsmcarsmeegxsipcjkeg.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4884
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\wqsmcarsmeegxsipcjkeg.exe*."
      2⤵
      • Executes dropped EXE
      PID:5564
  • C:\Users\Admin\AppData\Local\Temp\habujgwwpgfgwqflxddw.exe
    C:\Users\Admin\AppData\Local\Temp\habujgwwpgfgwqflxddw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2508
  • C:\Windows\tifufykgvidamcnp.exe
    tifufykgvidamcnp.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5284
  • C:\Windows\jazqdymkbqnmasfjtx.exe
    jazqdymkbqnmasfjtx.exe
    1⤵
    • Executes dropped EXE
    PID:2148
  • C:\Users\Admin\AppData\Local\Temp\wqsmcarsmeegxsipcjkeg.exe
    C:\Users\Admin\AppData\Local\Temp\wqsmcarsmeegxsipcjkeg.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4176
  • C:\Windows\habujgwwpgfgwqflxddw.exe
    habujgwwpgfgwqflxddw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1664
  • C:\Users\Admin\AppData\Local\Temp\jazqdymkbqnmasfjtx.exe
    C:\Users\Admin\AppData\Local\Temp\jazqdymkbqnmasfjtx.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4036
  • C:\Windows\wqsmcarsmeegxsipcjkeg.exe
    wqsmcarsmeegxsipcjkeg.exe
    1⤵
    • Executes dropped EXE
    PID:5392
  • C:\Users\Admin\AppData\Local\Temp\aqoeqkxukyusfwilu.exe
    C:\Users\Admin\AppData\Local\Temp\aqoeqkxukyusfwilu.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5948
  • C:\Windows\tifufykgvidamcnp.exe
    tifufykgvidamcnp.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\tifufykgvidamcnp.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:4016
  • C:\Windows\habujgwwpgfgwqflxddw.exe
    habujgwwpgfgwqflxddw.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4840
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\habujgwwpgfgwqflxddw.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:4112

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

        System Information Discovery

        2
        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

        xwdcxawcbydkggbnfrxwdc.awc
        • Path C:\Program Files (x86)\xwdcxawcbydkggbnfrxwdc.awc
        • Size 280B
        • SHA256 ba9987d0c83949438727cf1d0b202893414a3ef481b59284ccd8e569ceb78f8d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        umtekhkhewd.exe
        • Path C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
        • Size 320KB
        • SHA256 bfacf07947a54ce5b46f301762d86b92d2c1bca187285f5bc20e229117ef55d3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        wamqq.exe
        • Path C:\Users\Admin\AppData\Local\Temp\wamqq.exe
        • Size 704KB
        • SHA256 de50c3cb8d855e6ce9c68bb25925143f6b51a1865555d26fffba104f5519d21c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        oyqagubsckaszkqnqneogqwkrisaqipag.gdu
        • Path C:\Users\Admin\AppData\Local\oyqagubsckaszkqnqneogqwkrisaqipag.gdu
        • Size 4KB
        • SHA256 34729e36e6c5619b063e2196f993218332eb45144d3e0c5ce70f1ed18455e5f7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        xwdcxawcbydkggbnfrxwdc.awc
        • Path C:\Users\Admin\AppData\Local\xwdcxawcbydkggbnfrxwdc.awc
        • Size 280B
        • SHA256 e14cdfa4e3abf5d8b81d1aaf3b1357f848f649dc2bc810576e26be846800552d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        xwdcxawcbydkggbnfrxwdc.awc
        • Path C:\Users\Admin\AppData\Local\xwdcxawcbydkggbnfrxwdc.awc
        • Size 280B
        • SHA256 486a50706b3e17403d1cc1c0d185ed871d5d5318260f0716777378fdf1becac7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        jazqdymkbqnmasfjtx.exe
        • Path C:\Windows\SysWOW64\jazqdymkbqnmasfjtx.exe
        • Size 1016KB
        • SHA256 789b40386b4928afd936c535878710d1c646c43a799e9382a4bee218ca0cf015
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download