Overview

overview

10

Static

static

3

tmpl8icsrlz.exe

windows10-ltsc_2021-x64

10

tmpl8icsrlz.exe

windows10-2004-x64

10

tmpl8icsrlz.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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, 02:50

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General

  • Target
    tmpl8icsrlz.exe
  • Size 1016KB
  • Sample260602-dbvt6adw3j
  • SHA256 caa283a64056eb7cd81887d12b80e19664f7bcde76175855ce0ebd534a844393
  • 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 6 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\tmpl8icsrlz.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpl8icsrlz.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3668
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\users\admin\appdata\local\temp\tmpl8icsrlz.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:1612
      • C:\Users\Admin\AppData\Local\Temp\xhhwdhn.exe
        "C:\Users\Admin\AppData\Local\Temp\xhhwdhn.exe" "-C:\Users\Admin\AppData\Local\Temp\wpywmzohzjxviulv.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:5268
      • C:\Users\Admin\AppData\Local\Temp\xhhwdhn.exe
        "C:\Users\Admin\AppData\Local\Temp\xhhwdhn.exe" "-C:\Users\Admin\AppData\Local\Temp\wpywmzohzjxviulv.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:5392
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\users\admin\appdata\local\temp\tmpl8icsrlz.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:5464
  • C:\Windows\zxlojbvtqfybtkgvqsqeh.exe
    zxlojbvtqfybtkgvqsqeh.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2624
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\zxlojbvtqfybtkgvqsqeh.exe*."
      2⤵
      • Executes dropped EXE
      PID:3332
  • C:\Windows\xtfgzphdylcdticpiie.exe
    xtfgzphdylcdticpiie.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3556
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:1200
  • C:\Users\Admin\AppData\Local\Temp\dxhgxlbvozonbogri.exe
    C:\Users\Admin\AppData\Local\Temp\dxhgxlbvozonbogri.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2248
  • C:\Windows\khuwqhaxthzbsidrlmjw.exe
    khuwqhaxthzbsidrlmjw.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1040
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\khuwqhaxthzbsidrlmjw.exe*."
      2⤵
      • Executes dropped EXE
      PID:4836
  • C:\Users\Admin\AppData\Local\Temp\mhsskzqlfrhhwkdphg.exe
    C:\Users\Admin\AppData\Local\Temp\mhsskzqlfrhhwkdphg.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4996
  • C:\Windows\mhsskzqlfrhhwkdphg.exe
    mhsskzqlfrhhwkdphg.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3608
  • C:\Windows\xtfgzphdylcdticpiie.exe
    xtfgzphdylcdticpiie.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:812
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\xtfgzphdylcdticpiie.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:5048
  • C:\Users\Admin\AppData\Local\Temp\wpywmzohzjxviulv.exe
    C:\Users\Admin\AppData\Local\Temp\wpywmzohzjxviulv.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4448
  • C:\Windows\zxlojbvtqfybtkgvqsqeh.exe
    zxlojbvtqfybtkgvqsqeh.exe
    1⤵
    • Executes dropped EXE
    PID:1232
  • C:\Users\Admin\AppData\Local\Temp\zxlojbvtqfybtkgvqsqeh.exe
    C:\Users\Admin\AppData\Local\Temp\zxlojbvtqfybtkgvqsqeh.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3664
  • C:\Windows\wpywmzohzjxviulv.exe
    wpywmzohzjxviulv.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:556
  • C:\Windows\mhsskzqlfrhhwkdphg.exe
    mhsskzqlfrhhwkdphg.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:236
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\mhsskzqlfrhhwkdphg.exe*."
      2⤵
      • Executes dropped EXE
      PID:4052
  • C:\Windows\khuwqhaxthzbsidrlmjw.exe
    khuwqhaxthzbsidrlmjw.exe
    1⤵
    • Executes dropped EXE
    PID:1716
  • C:\Windows\wpywmzohzjxviulv.exe
    wpywmzohzjxviulv.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5828
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\wpywmzohzjxviulv.exe*."
      2⤵
      • Executes dropped EXE
      PID:3976
  • C:\Windows\dxhgxlbvozonbogri.exe
    dxhgxlbvozonbogri.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2820
  • C:\Windows\dxhgxlbvozonbogri.exe
    dxhgxlbvozonbogri.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5708
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\dxhgxlbvozonbogri.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:5852
  • C:\Users\Admin\AppData\Local\Temp\khuwqhaxthzbsidrlmjw.exe
    C:\Users\Admin\AppData\Local\Temp\khuwqhaxthzbsidrlmjw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2720
  • C:\Users\Admin\AppData\Local\Temp\xtfgzphdylcdticpiie.exe
    C:\Users\Admin\AppData\Local\Temp\xtfgzphdylcdticpiie.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1632

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

        jplwzzbhmjkvvuyvyiokvyyag.iju
        • Path C:\Program Files (x86)\jplwzzbhmjkvvuyvyiokvyyag.iju
        • Size 280B
        • SHA256 29dcdd9551648e5338aa72acf19a0560a3ba99b4b41555bada5e1f02a2e03f4a
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        jplwzzbhmjkvvuyvyiokvyyag.iju
        • Path C:\Program Files (x86)\jplwzzbhmjkvvuyvyiokvyyag.iju
        • Size 280B
        • SHA256 1f4802d04fb7e43dcdafc21245f6057025ba1572d62e76f18c58ac304c8d3ed1
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        jplwzzbhmjkvvuyvyiokvyyag.iju
        • Path C:\Program Files (x86)\jplwzzbhmjkvvuyvyiokvyyag.iju
        • Size 280B
        • SHA256 49e48af585c4e60cf351f232efff25cae7e7f2f09592c384ac628f0c7e14bb37
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        qzsahtyjajc.exe
        • Path C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
        • Size 320KB
        • SHA256 4ee40cec8ad8c8092e53ad7b5b57d17f4146ee1af65431ff2fa49774f75ef72a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        xhhwdhn.exe
        • Path C:\Users\Admin\AppData\Local\Temp\xhhwdhn.exe
        • Size 716KB
        • SHA256 abf886f392ece4acb27d03229db828bef36f5611ba21c47fc9e35870ff79d5d7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        jplwzzbhmjkvvuyvyiokvyyag.iju
        • Path C:\Users\Admin\AppData\Local\jplwzzbhmjkvvuyvyiokvyyag.iju
        • Size 280B
        • SHA256 6b858f8abe94cc62a73e9c30748d3bfecb784a98b10157c2f80b02b6a5d06b48
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        jplwzzbhmjkvvuyvyiokvyyag.iju
        • Path C:\Users\Admin\AppData\Local\jplwzzbhmjkvvuyvyiokvyyag.iju
        • Size 280B
        • SHA256 f2a1e6cecfbbb4233e3ecc322e2666a9c14c4626a24a98d1cf2ccd8c4abe807c
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ofmiwhulbjvrcmbjxsjqmalypfnzvgqfnbwn.qep
        • Path C:\Users\Admin\AppData\Local\ofmiwhulbjvrcmbjxsjqmalypfnzvgqfnbwn.qep
        • Size 4KB
        • SHA256 2272e07c4b06dede318a4c74c205671aa382e03a35b403d0b41862b67085d56f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        mhsskzqlfrhhwkdphg.exe
        • Path C:\Windows\SysWOW64\mhsskzqlfrhhwkdphg.exe
        • Size 1016KB
        • SHA256 caa283a64056eb7cd81887d12b80e19664f7bcde76175855ce0ebd534a844393
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        dprirxfrc.bat
        • Path C:\dprirxfrc.bat
        • Size 468KB
        • SHA256 0e3914d0d19b0a8e149f97c941f2870e32cd02c1fb480cd09f782acbb730617f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download