Overview

overview

10

Static

static

3

tmpumq_oli5.exe

windows10-2004-x64

10

tmpumq_oli5.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/05/2026, 14:50

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    tmpumq_oli5.exe
  • Size 952KB
  • Sample260522-r71beagy71
  • SHA256 8c0fa107cba6fde3e08b6db88e6b80d991dee1c948b7324093ca74420c879e94
  • 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 33 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 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 7 IoCs

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

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 57 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\tmpumq_oli5.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpumq_oli5.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe
      "C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe" "c:\users\admin\appdata\local\temp\tmpumq_oli5.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:4900
      • C:\Users\Admin\AppData\Local\Temp\velqv.exe
        "C:\Users\Admin\AppData\Local\Temp\velqv.exe" "-c:\users\admin\appdata\local\temp\tmpumq_oli5.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:5080
      • C:\Users\Admin\AppData\Local\Temp\velqv.exe
        "C:\Users\Admin\AppData\Local\Temp\velqv.exe" "-c:\users\admin\appdata\local\temp\tmpumq_oli5.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:5100
    • C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe
      "C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe" "c:\users\admin\appdata\local\temp\tmpumq_oli5.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:4200
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:2760
  • C:\Windows\ieyqixsidpfhzytkiq.exe
    ieyqixsidpfhzytkiq.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3940
  • C:\Windows\smeukxqexhvvlibq.exe
    smeukxqexhvvlibq.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe
      "C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe" "c:\windows\smeukxqexhvvlibq.exe*."
      2⤵
      • Executes dropped EXE
      PID:4376
  • C:\Windows\geauofcurfxbvwtmmwca.exe
    geauofcurfxbvwtmmwca.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4568
  • C:\Users\Admin\AppData\Local\Temp\smeukxqexhvvlibq.exe
    C:\Users\Admin\AppData\Local\Temp\smeukxqexhvvlibq.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4688
  • C:\Windows\vurmhzxqodwbwywqrcjif.exe
    vurmhzxqodwbwywqrcjif.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe
      "C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe" "c:\windows\vurmhzxqodwbwywqrcjif.exe*."
      2⤵
      • Executes dropped EXE
      PID:4496
  • C:\Users\Admin\AppData\Local\Temp\vurmhzxqodwbwywqrcjif.exe
    C:\Users\Admin\AppData\Local\Temp\vurmhzxqodwbwywqrcjif.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1212
  • C:\Windows\tqlexnjawjadwwskjsx.exe
    tqlexnjawjadwwskjsx.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3248
  • C:\Windows\vurmhzxqodwbwywqrcjif.exe
    vurmhzxqodwbwywqrcjif.exe
    1⤵
    • Executes dropped EXE
    PID:3444
  • C:\Windows\tqlexnjawjadwwskjsx.exe
    tqlexnjawjadwwskjsx.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe
      "C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe" "c:\windows\tqlexnjawjadwwskjsx.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:676
  • C:\Windows\ieyqixsidpfhzytkiq.exe
    ieyqixsidpfhzytkiq.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3548
    • C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe
      "C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe" "c:\windows\ieyqixsidpfhzytkiq.exe*."
      2⤵
      • Executes dropped EXE
      PID:3988
  • C:\Windows\zunevjdsmxmnecwmj.exe
    zunevjdsmxmnecwmj.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4056
  • C:\Users\Admin\AppData\Local\Temp\zunevjdsmxmnecwmj.exe
    C:\Users\Admin\AppData\Local\Temp\zunevjdsmxmnecwmj.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3096
  • C:\Windows\geauofcurfxbvwtmmwca.exe
    geauofcurfxbvwtmmwca.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4000
    • C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe
      "C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe" "c:\windows\geauofcurfxbvwtmmwca.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:3552
  • C:\Windows\zunevjdsmxmnecwmj.exe
    zunevjdsmxmnecwmj.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4772
    • C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe
      "C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe" "c:\windows\zunevjdsmxmnecwmj.exe*."
      2⤵
      • Executes dropped EXE
      PID:1188
  • C:\Windows\smeukxqexhvvlibq.exe
    smeukxqexhvvlibq.exe
    1⤵
    • Executes dropped EXE
    PID:3792
  • C:\Users\Admin\AppData\Local\Temp\geauofcurfxbvwtmmwca.exe
    C:\Users\Admin\AppData\Local\Temp\geauofcurfxbvwtmmwca.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:224
  • C:\Users\Admin\AppData\Local\Temp\tqlexnjawjadwwskjsx.exe
    C:\Users\Admin\AppData\Local\Temp\tqlexnjawjadwwskjsx.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4344
  • C:\Users\Admin\AppData\Local\Temp\ieyqixsidpfhzytkiq.exe
    C:\Users\Admin\AppData\Local\Temp\ieyqixsidpfhzytkiq.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:892

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

        xabazvxuwpmvuacafufij.hdf
        • Path C:\Program Files (x86)\xabazvxuwpmvuacafufij.hdf
        • Size 120B
        • SHA256 f7314213bc07b8e1286aab15530894bcc1ae159b76a07419ef2852ce4fd9f4b9
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        mhskyizawrc.exe
        • Path C:\Users\Admin\AppData\Local\Temp\mhskyizawrc.exe
        • Size 308KB
        • SHA256 6fff20aabe8265b6e811c9dbcb987f9c15cf07d1d8b80ced7b287d96900f5c62
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        velqv.exe
        • Path C:\Users\Admin\AppData\Local\Temp\velqv.exe
        • Size 680KB
        • SHA256 d94812a4e44d8e2d6d3cbbfc1d650172d950c8f4e8b75cb584bccb6d6dec65eb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        sgscmtgobfnhriveuuqeqakremzdlfpg.css
        • Path C:\Users\Admin\AppData\Local\sgscmtgobfnhriveuuqeqakremzdlfpg.css
        • Size 3KB
        • SHA256 24ebd10a53b0418c2c60f27ed9c598bdfa6822e6f0edbd86e6f29ea922984665
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        xabazvxuwpmvuacafufij.hdf
        • Path C:\Users\Admin\AppData\Local\xabazvxuwpmvuacafufij.hdf
        • Size 120B
        • SHA256 e28fe8816fb08a12de4732769c09cb176bc894d2989ae9a33432623c5c9a6b9d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ieyqixsidpfhzytkiq.exe
        • Path C:\Windows\SysWOW64\ieyqixsidpfhzytkiq.exe
        • Size 952KB
        • SHA256 8c0fa107cba6fde3e08b6db88e6b80d991dee1c948b7324093ca74420c879e94
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download