Overview

overview

10

Static

static

3

tmpr72uipic.exe

windows10-ltsc_2021-x64

10

tmpr72uipic.exe

windows10-2004-x64

10

tmpr72uipic.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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, 02:45

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General

  • Target
    tmpr72uipic.exe
  • Size 1016KB
  • Sample260602-c8ptqsdv6p
  • SHA256 9a0e0d7b2856b81b45a863db64eae89e38f6a6a6ca6a713333f6d1b4110331a5
  • 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 37 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 10 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 9 IoCs
  • System policy modification 1 TTPs 42 IoCs
    defense_evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmpr72uipic.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpr72uipic.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5548
    • C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe
      "C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe" "c:\users\admin\appdata\local\temp\tmpr72uipic.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:4152
      • C:\Users\Admin\AppData\Local\Temp\wfpwvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\wfpwvcs.exe" "-C:\Users\Admin\AppData\Local\Temp\vngweutbshejxydt.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:820
      • C:\Users\Admin\AppData\Local\Temp\wfpwvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\wfpwvcs.exe" "-C:\Users\Admin\AppData\Local\Temp\vngweutbshejxydt.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:1180
    • C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe
      "C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe" "c:\users\admin\appdata\local\temp\tmpr72uipic.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:1176
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:3828
  • C:\Windows\vngweutbshejxydt.exe
    vngweutbshejxydt.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5128
  • C:\Users\Admin\AppData\Local\Temp\lfascuvfypovlovnff.exe
    C:\Users\Admin\AppData\Local\Temp\lfascuvfypovlovnff.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5148
  • C:\Windows\wrngrkmxrjjrimungha.exe
    wrngrkmxrjjrimungha.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5480
  • C:\Windows\vngweutbshejxydt.exe
    vngweutbshejxydt.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5252
    • C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe
      "C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe" "c:\windows\vngweutbshejxydt.exe*."
      2⤵
      • Executes dropped EXE
      PID:2980
  • C:\Windows\cvpgpggphxvbqsypg.exe
    cvpgpggphxvbqsypg.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3768
    • C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe
      "C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe" "c:\windows\cvpgpggphxvbqsypg.exe*."
      2⤵
      • Executes dropped EXE
      PID:3168
  • C:\Users\Admin\AppData\Local\Temp\wrngrkmxrjjrimungha.exe
    C:\Users\Admin\AppData\Local\Temp\wrngrkmxrjjrimungha.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4868
  • C:\Windows\yvtobwanjdfpioytormjh.exe
    yvtobwanjdfpioytormjh.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4632
    • C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe
      "C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe" "c:\windows\yvtobwanjdfpioytormjh.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:2168
  • C:\Users\Admin\AppData\Local\Temp\yvtobwanjdfpioytormjh.exe
    C:\Users\Admin\AppData\Local\Temp\yvtobwanjdfpioytormjh.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4232
  • C:\Windows\lfascuvfypovlovnff.exe
    lfascuvfypovlovnff.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4228
  • C:\Windows\wrngrkmxrjjrimungha.exe
    wrngrkmxrjjrimungha.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4352
    • C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe
      "C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe" "c:\windows\wrngrkmxrjjrimungha.exe*."
      2⤵
      • Executes dropped EXE
      PID:3956
  • C:\Users\Admin\AppData\Local\Temp\cvpgpggphxvbqsypg.exe
    C:\Users\Admin\AppData\Local\Temp\cvpgpggphxvbqsypg.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4640
  • C:\Users\Admin\AppData\Local\Temp\vngweutbshejxydt.exe
    C:\Users\Admin\AppData\Local\Temp\vngweutbshejxydt.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5500
  • C:\Windows\yvtobwanjdfpioytormjh.exe
    yvtobwanjdfpioytormjh.exe
    1⤵
    • Executes dropped EXE
    PID:3304
  • C:\Windows\lfascuvfypovlovnff.exe
    lfascuvfypovlovnff.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe
      "C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe" "c:\windows\lfascuvfypovlovnff.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:3316
  • C:\Windows\cvpgpggphxvbqsypg.exe
    cvpgpggphxvbqsypg.exe
    1⤵
    • Executes dropped EXE
    PID:4024
  • C:\Windows\jfcwicfrmfgphmvpjlfb.exe
    jfcwicfrmfgphmvpjlfb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:752
  • C:\Users\Admin\AppData\Local\Temp\jfcwicfrmfgphmvpjlfb.exe
    C:\Users\Admin\AppData\Local\Temp\jfcwicfrmfgphmvpjlfb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2672
  • C:\Windows\jfcwicfrmfgphmvpjlfb.exe
    jfcwicfrmfgphmvpjlfb.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5576
    • C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe
      "C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe" "c:\windows\jfcwicfrmfgphmvpjlfb.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:5220

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

        zbeewwfxyxetrcrrrzzbee.wfx
        • Path C:\Program Files (x86)\zbeewwfxyxetrcrrrzzbee.wfx
        • Size 280B
        • SHA256 3a839872936bbaa2af79fb149039b73bb3a39085d3f2031e46bf771af9c730bf
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        zbeewwfxyxetrcrrrzzbee.wfx
        • Path C:\Program Files (x86)\zbeewwfxyxetrcrrrzzbee.wfx
        • Size 280B
        • SHA256 f32dcabe8c8d2ca1c1b8568452a58ceb4eee3538e8a3ccf98b2a579bd49b7fa0
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        vveaalwpffo.exe
        • Path C:\Users\Admin\AppData\Local\Temp\vveaalwpffo.exe
        • Size 320KB
        • SHA256 818895ca7983b68db0902e404e39548fed0da02100b71c710d71a3bc58d191bc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        wfpwvcs.exe
        • Path C:\Users\Admin\AppData\Local\Temp\wfpwvcs.exe
        • Size 712KB
        • SHA256 6eb0d00039c77994c36972c19e7b241b1262e9a40c7dd8f45b7230a27c7b155b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        qdrcfqknzjbbkggrcvgthsvgadpzrraww.slw
        • Path C:\Users\Admin\AppData\Local\qdrcfqknzjbbkggrcvgthsvgadpzrraww.slw
        • Size 4KB
        • SHA256 b6027a04853476723e43126a7a13138ee0569c80b6401f4391ad767ea38997dc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        zbeewwfxyxetrcrrrzzbee.wfx
        • Path C:\Users\Admin\AppData\Local\zbeewwfxyxetrcrrrzzbee.wfx
        • Size 280B
        • SHA256 9b9d8879aea8dd86e5cd2c96a0eaae9cfe460fe355f4461b3497378f048e4a3a
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        lfascuvfypovlovnff.exe
        • Path C:\Windows\SysWOW64\lfascuvfypovlovnff.exe
        • Size 1016KB
        • SHA256 9a0e0d7b2856b81b45a863db64eae89e38f6a6a6ca6a713333f6d1b4110331a5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download