Overview

overview

10

Static

static

3

tmpmyqvvmy6.exe

windows10-ltsc_2021-x64

10

tmpmyqvvmy6.exe

windows10-2004-x64

10

tmpmyqvvmy6.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    154s
  • 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, 03:58

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    tmpmyqvvmy6.exe
  • Size 600KB
  • Sample260602-ejnw9adv4x
  • SHA256 fab208d4fde711f95e4da7fdfe3d7855f866bd2f367570aac74320952291faa1
  • 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 7 IoCs
    persistence
  • UAC bypass 3 TTPs 16 IoCs
    defense_evasiontrojan
  • Adds policy Run key to start application 2 TTPs 41 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 14 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 6 IoCs

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

  • Drops file in System32 directory 53 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 53 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 44 IoCs
    defense_evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmpmyqvvmy6.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpmyqvvmy6.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe
      "C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe" "c:\users\admin\appdata\local\temp\tmpmyqvvmy6.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:2248
      • C:\Users\Admin\AppData\Local\Temp\opsals.exe
        "C:\Users\Admin\AppData\Local\Temp\opsals.exe" "-C:\Users\Admin\AppData\Local\Temp\alyqlckbtwsdwhre.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:3872
      • C:\Users\Admin\AppData\Local\Temp\opsals.exe
        "C:\Users\Admin\AppData\Local\Temp\opsals.exe" "-C:\Users\Admin\AppData\Local\Temp\alyqlckbtwsdwhre.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:3956
    • C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe
      "C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe" "c:\users\admin\appdata\local\temp\tmpmyqvvmy6.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:3368
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:764
  • C:\Windows\alyqlckbtwsdwhre.exe
    alyqlckbtwsdwhre.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1936
  • C:\Windows\hthawoxpimjvpbmag.exe
    hthawoxpimjvpbmag.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe
      "C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe" "c:\windows\hthawoxpimjvpbmag.exe*."
      2⤵
      • Executes dropped EXE
      PID:2136
  • C:\Windows\dtliiernkstjhxmeowmeb.exe
    dtliiernkstjhxmeowmeb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4764
  • C:\Windows\bpfaysdxsyxlhviygma.exe
    bpfaysdxsyxlhviygma.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4752
    • C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe
      "C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe" "c:\windows\bpfaysdxsyxlhviygma.exe*."
      2⤵
      • Executes dropped EXE
      PID:2336
  • C:\Users\Admin\AppData\Local\Temp\alyqlckbtwsdwhre.exe
    C:\Users\Admin\AppData\Local\Temp\alyqlckbtwsdwhre.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4020
  • C:\Users\Admin\AppData\Local\Temp\oduqpkwrnuujgvjajqfw.exe
    C:\Users\Admin\AppData\Local\Temp\oduqpkwrnuujgvjajqfw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3788
  • C:\Windows\hthawoxpimjvpbmag.exe
    hthawoxpimjvpbmag.exe
    1⤵
    • Executes dropped EXE
    PID:4420
  • C:\Windows\alyqlckbtwsdwhre.exe
    alyqlckbtwsdwhre.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe
      "C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe" "c:\windows\alyqlckbtwsdwhre.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:4840
  • C:\Users\Admin\AppData\Local\Temp\dtliiernkstjhxmeowmeb.exe
    C:\Users\Admin\AppData\Local\Temp\dtliiernkstjhxmeowmeb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3984
  • C:\Windows\oduqpkwrnuujgvjajqfw.exe
    oduqpkwrnuujgvjajqfw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2792
  • C:\Windows\dtliiernkstjhxmeowmeb.exe
    dtliiernkstjhxmeowmeb.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5004
    • C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe
      "C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe" "c:\windows\dtliiernkstjhxmeowmeb.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:2196
  • C:\Users\Admin\AppData\Local\Temp\bpfaysdxsyxlhviygma.exe
    C:\Users\Admin\AppData\Local\Temp\bpfaysdxsyxlhviygma.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2936
  • C:\Windows\bpfaysdxsyxlhviygma.exe
    bpfaysdxsyxlhviygma.exe
    1⤵
    • Executes dropped EXE
    PID:2280
  • C:\Windows\qdsmjcmfzecpkxjyfk.exe
    qdsmjcmfzecpkxjyfk.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4432
  • C:\Windows\qdsmjcmfzecpkxjyfk.exe
    qdsmjcmfzecpkxjyfk.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3284
    • C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe
      "C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe" "c:\windows\qdsmjcmfzecpkxjyfk.exe*."
      2⤵
      • Executes dropped EXE
      PID:1648
  • C:\Users\Admin\AppData\Local\Temp\hthawoxpimjvpbmag.exe
    C:\Users\Admin\AppData\Local\Temp\hthawoxpimjvpbmag.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4500
  • C:\Users\Admin\AppData\Local\Temp\qdsmjcmfzecpkxjyfk.exe
    C:\Users\Admin\AppData\Local\Temp\qdsmjcmfzecpkxjyfk.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4888
  • C:\Windows\oduqpkwrnuujgvjajqfw.exe
    oduqpkwrnuujgvjajqfw.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe
      "C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe" "c:\windows\oduqpkwrnuujgvjajqfw.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:5076

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

        fzvwaarrsejdfzsocoief.jaa
        • Path C:\Program Files (x86)\fzvwaarrsejdfzsocoief.jaa
        • Size 272B
        • SHA256 e0de03a4f3e2cd38481b82c2d130fdf1d6b2742a9fdf914f6f68f4ac3b6eeb09
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        fzvwaarrsejdfzsocoief.jaa
        • Path C:\Program Files (x86)\fzvwaarrsejdfzsocoief.jaa
        • Size 272B
        • SHA256 1086f159b62f322858d13554c4feb0114656a4eb897825902f8f02647a32d79f
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        duaouzhhnek.exe
        • Path C:\Users\Admin\AppData\Local\Temp\duaouzhhnek.exe
        • Size 320KB
        • SHA256 0cc02d34d5fd4cf892fed282f98c1ad3e7dd6159a8877ae5c46d3f834ed36060
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        opsals.exe
        • Path C:\Users\Admin\AppData\Local\Temp\opsals.exe
        • Size 700KB
        • SHA256 155655ec8d4e86fe407946e4296c0444770e343928ff70d4cfead23383e0d0ee
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        afmynyalxukpchlsrotambmozliydqvz.fch
        • Path C:\Users\Admin\AppData\Local\afmynyalxukpchlsrotambmozliydqvz.fch
        • Size 3KB
        • SHA256 53c9ea05944e1c0508ab9fde303427690e0ba5c04e8ddc124d9f823aefa7a347
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        fzvwaarrsejdfzsocoief.jaa
        • Path C:\Users\Admin\AppData\Local\fzvwaarrsejdfzsocoief.jaa
        • Size 272B
        • SHA256 f391ca6b7f96c3d4acf9cf78d8d7fac7f8e2199c4145fc08de6514d3247f25a6
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        qdsmjcmfzecpkxjyfk.exe
        • Path C:\Windows\SysWOW64\qdsmjcmfzecpkxjyfk.exe
        • Size 600KB
        • SHA256 fab208d4fde711f95e4da7fdfe3d7855f866bd2f367570aac74320952291faa1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download