Overview

overview

10

Static

static

3

tmp9cldh0qd.exe

windows10-ltsc_2021-x64

10

tmp9cldh0qd.exe

windows10-2004-x64

10

tmp9cldh0qd.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
    22/05/2026, 14:20

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    tmp9cldh0qd.exe
  • Size 1016KB
  • Sample260522-rnvltaf14s
  • SHA256 83f5dbae51966d8be59bca55d11ce234d0ae99d59a5a1fbc61c5b4f9d4f5d4b9
  • 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 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 17 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\tmp9cldh0qd.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp9cldh0qd.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5948
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\users\admin\appdata\local\temp\tmp9cldh0qd.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:5068
      • C:\Users\Admin\AppData\Local\Temp\vdgqx.exe
        "C:\Users\Admin\AppData\Local\Temp\vdgqx.exe" "-C:\Users\Admin\AppData\Local\Temp\slzumbofujbolkcw.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:832
      • C:\Users\Admin\AppData\Local\Temp\vdgqx.exe
        "C:\Users\Admin\AppData\Local\Temp\vdgqx.exe" "-C:\Users\Admin\AppData\Local\Temp\slzumbofujbolkcw.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:3756
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\users\admin\appdata\local\temp\tmp9cldh0qd.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:2444
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:5200
  • C:\Windows\gdvuqjavohduvyusthcz.exe
    gdvuqjavohduvyusthcz.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3748
  • C:\Windows\ztiexnbtjzsgeexsq.exe
    ztiexnbtjzsgeexsq.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\windows\ztiexnbtjzsgeexsq.exe*."
      2⤵
      • Executes dropped EXE
      PID:920
  • C:\Windows\idtqkbqjarlazauqpb.exe
    idtqkbqjarlazauqpb.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3668
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\windows\idtqkbqjarlazauqpb.exe*."
      2⤵
      • Executes dropped EXE
      PID:824
  • C:\Users\Admin\AppData\Local\Temp\gdvuqjavohduvyusthcz.exe
    C:\Users\Admin\AppData\Local\Temp\gdvuqjavohduvyusthcz.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2704
  • C:\Windows\vtmmjdvrlfcuwaxwynjha.exe
    vtmmjdvrlfcuwaxwynjha.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5804
  • C:\Users\Admin\AppData\Local\Temp\slzumbofujbolkcw.exe
    C:\Users\Admin\AppData\Local\Temp\slzumbofujbolkcw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5868
  • C:\Users\Admin\AppData\Local\Temp\tpgezrhbtlgwwytqqdx.exe
    C:\Users\Admin\AppData\Local\Temp\tpgezrhbtlgwwytqqdx.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4100
  • C:\Windows\tpgezrhbtlgwwytqqdx.exe
    tpgezrhbtlgwwytqqdx.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4744
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\windows\tpgezrhbtlgwwytqqdx.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:3500
  • C:\Windows\slzumbofujbolkcw.exe
    slzumbofujbolkcw.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5352
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\windows\slzumbofujbolkcw.exe*."
      2⤵
      • Executes dropped EXE
      PID:248
  • C:\Windows\ztiexnbtjzsgeexsq.exe
    ztiexnbtjzsgeexsq.exe
    1⤵
    • Executes dropped EXE
    PID:5652
  • C:\Users\Admin\AppData\Local\Temp\idtqkbqjarlazauqpb.exe
    C:\Users\Admin\AppData\Local\Temp\idtqkbqjarlazauqpb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2504
  • C:\Windows\gdvuqjavohduvyusthcz.exe
    gdvuqjavohduvyusthcz.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\windows\gdvuqjavohduvyusthcz.exe*."
      2⤵
      • Executes dropped EXE
      PID:3808
  • C:\Windows\idtqkbqjarlazauqpb.exe
    idtqkbqjarlazauqpb.exe
    1⤵
    • Executes dropped EXE
    PID:1652
  • C:\Windows\tpgezrhbtlgwwytqqdx.exe
    tpgezrhbtlgwwytqqdx.exe
    1⤵
    • Executes dropped EXE
    PID:5784
  • C:\Windows\slzumbofujbolkcw.exe
    slzumbofujbolkcw.exe
    1⤵
    • Executes dropped EXE
    PID:5656
  • C:\Users\Admin\AppData\Local\Temp\vtmmjdvrlfcuwaxwynjha.exe
    C:\Users\Admin\AppData\Local\Temp\vtmmjdvrlfcuwaxwynjha.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1164
  • C:\Windows\vtmmjdvrlfcuwaxwynjha.exe
    vtmmjdvrlfcuwaxwynjha.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4588
    • C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
      "C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe" "c:\windows\vtmmjdvrlfcuwaxwynjha.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:5904
  • C:\Users\Admin\AppData\Local\Temp\ztiexnbtjzsgeexsq.exe
    C:\Users\Admin\AppData\Local\Temp\ztiexnbtjzsgeexsq.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3748

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

        mtveknotwzfgreksdbgnpyehin.tza
        • Path C:\Program Files (x86)\mtveknotwzfgreksdbgnpyehin.tza
        • Size 280B
        • SHA256 3f26f3ca0e76d5608283882a6e86f6d4b6cdc9059da793186d992376f9656c6b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        sasmzoglckc.exe
        • Path C:\Users\Admin\AppData\Local\Temp\sasmzoglckc.exe
        • Size 320KB
        • SHA256 4ac7b7144dff7987485e2306a219ebe0199cc36896f1305385b983b59431c6b1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        vdgqx.exe
        • Path C:\Users\Admin\AppData\Local\Temp\vdgqx.exe
        • Size 712KB
        • SHA256 77c3f138e7b15d878dbf1f15e408529a0f5d348280b97eeef5409d38bb950682
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        mtveknotwzfgreksdbgnpyehin.tza
        • Path C:\Users\Admin\AppData\Local\mtveknotwzfgreksdbgnpyehin.tza
        • Size 280B
        • SHA256 fabcad4a01bb7ce820e41e669c7d7dbcfa4181e2acf7ddfa59150fa55bff3199
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        mtveknotwzfgreksdbgnpyehin.tza
        • Path C:\Users\Admin\AppData\Local\mtveknotwzfgreksdbgnpyehin.tza
        • Size 280B
        • SHA256 54545c7fbfdb04e91d536a7a888d75eefb9324293eb8739eb604afbfbb43b09e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        nfsmdrdthvmyusjcyhxpcwnbndrfwiectmirh.mgx
        • Path C:\Users\Admin\AppData\Local\nfsmdrdthvmyusjcyhxpcwnbndrfwiectmirh.mgx
        • Size 4KB
        • SHA256 f2d6f5a958fc5e60f6b875bb8478e1f84d939b3190fc90a620d3850f964c53f6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        idtqkbqjarlazauqpb.exe
        • Path C:\Windows\SysWOW64\idtqkbqjarlazauqpb.exe
        • Size 1016KB
        • SHA256 83f5dbae51966d8be59bca55d11ce234d0ae99d59a5a1fbc61c5b4f9d4f5d4b9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download