Overview

overview

10

Static

static

3

tmpq72s0zey.exe

windows10-ltsc_2021-x64

10

tmpq72s0zey.exe

windows10-2004-x64

10

tmpq72s0zey.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    22/05/2026, 14:19

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General

  • Target
    tmpq72s0zey.exe
  • Size 1016KB
  • Sample260522-rmyl3sdx4k
  • SHA256 7662ec2f8e621be474ac0509f38f38e4f4530e42a2d131514a90d8445affe3f3
  • 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 36 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 7 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 8 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\tmpq72s0zey.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpq72s0zey.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4780
    • C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe
      "C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe" "c:\users\admin\appdata\local\temp\tmpq72s0zey.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:2776
      • C:\Users\Admin\AppData\Local\Temp\vglxdcl.exe
        "C:\Users\Admin\AppData\Local\Temp\vglxdcl.exe" "-C:\Users\Admin\AppData\Local\Temp\uocxmumdyjadvqgy.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:2248
      • C:\Users\Admin\AppData\Local\Temp\vglxdcl.exe
        "C:\Users\Admin\AppData\Local\Temp\vglxdcl.exe" "-C:\Users\Admin\AppData\Local\Temp\uocxmumdyjadvqgy.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:4460
    • C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe
      "C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe" "c:\users\admin\appdata\local\temp\tmpq72s0zey.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:3456
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:5044
  • C:\Windows\uocxmumdyjadvqgy.exe
    uocxmumdyjadvqgy.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4796
    • C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe
      "C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe" "c:\windows\uocxmumdyjadvqgy.exe*."
      2⤵
      • Executes dropped EXE
      PID:2388
  • C:\Windows\igyxqcytshcjfeyuajec.exe
    igyxqcytshcjfeyuajec.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:236
    • C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe
      "C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe" "c:\windows\igyxqcytshcjfeyuajec.exe*."
      2⤵
      • Executes dropped EXE
      PID:3460
  • C:\Users\Admin\AppData\Local\Temp\xwppjwtppfbjggbyfplkd.exe
    C:\Users\Admin\AppData\Local\Temp\xwppjwtppfbjggbyfplkd.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3376
  • C:\Windows\igyxqcytshcjfeyuajec.exe
    igyxqcytshcjfeyuajec.exe
    1⤵
    • Executes dropped EXE
    PID:2436
  • C:\Users\Admin\AppData\Local\Temp\uocxmumdyjadvqgy.exe
    C:\Users\Admin\AppData\Local\Temp\uocxmumdyjadvqgy.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4732
  • C:\Windows\kgwtkuoherkpjgyswd.exe
    kgwtkuoherkpjgyswd.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4684
  • C:\Windows\vsjhzkfzxlflgexsxfz.exe
    vsjhzkfzxlflgexsxfz.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4088
  • C:\Windows\uocxmumdyjadvqgy.exe
    uocxmumdyjadvqgy.exe
    1⤵
    • Executes dropped EXE
    PID:748
  • C:\Windows\vsjhzkfzxlflgexsxfz.exe
    vsjhzkfzxlflgexsxfz.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4792
    • C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe
      "C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe" "c:\windows\vsjhzkfzxlflgexsxfz.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:3460
  • C:\Windows\xwppjwtppfbjggbyfplkd.exe
    xwppjwtppfbjggbyfplkd.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe
      "C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe" "c:\windows\xwppjwtppfbjggbyfplkd.exe*."
      2⤵
      • Executes dropped EXE
      PID:3000
  • C:\Windows\kgwtkuoherkpjgyswd.exe
    kgwtkuoherkpjgyswd.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4864
    • C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe
      "C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe" "c:\windows\kgwtkuoherkpjgyswd.exe*."
      2⤵
      • Executes dropped EXE
      PID:1096
  • C:\Users\Admin\AppData\Local\Temp\vsjhzkfzxlflgexsxfz.exe
    C:\Users\Admin\AppData\Local\Temp\vsjhzkfzxlflgexsxfz.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4744
  • C:\Users\Admin\AppData\Local\Temp\kgwtkuoherkpjgyswd.exe
    C:\Users\Admin\AppData\Local\Temp\kgwtkuoherkpjgyswd.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1996
  • C:\Users\Admin\AppData\Local\Temp\igyxqcytshcjfeyuajec.exe
    C:\Users\Admin\AppData\Local\Temp\igyxqcytshcjfeyuajec.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3240
  • C:\Windows\xwppjwtppfbjggbyfplkd.exe
    xwppjwtppfbjggbyfplkd.exe
    1⤵
    • Executes dropped EXE
    PID:2088
  • C:\Windows\bwlhxgzrnzrvokbux.exe
    bwlhxgzrnzrvokbux.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4148
    • C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe
      "C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe" "c:\windows\bwlhxgzrnzrvokbux.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:3248
  • C:\Windows\bwlhxgzrnzrvokbux.exe
    bwlhxgzrnzrvokbux.exe
    1⤵
    • Executes dropped EXE
    PID:3712
  • C:\Users\Admin\AppData\Local\Temp\bwlhxgzrnzrvokbux.exe
    C:\Users\Admin\AppData\Local\Temp\bwlhxgzrnzrvokbux.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1248

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

        Query Registry

        1
        T1012

        System Information Discovery

        3
        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

        ciipqkoryvynryaesjmsszau.bif
        • Path C:\Program Files (x86)\ciipqkoryvynryaesjmsszau.bif
        • Size 280B
        • SHA256 3eb04fdb98d0b0da392138ef2a55828f616c4bf294b7acb8f86940e2384802bc
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ciipqkoryvynryaesjmsszau.bif
        • Path C:\Program Files (x86)\ciipqkoryvynryaesjmsszau.bif
        • Size 280B
        • SHA256 fbd5b3a06aed924a8a177bdb3676263c8cfa06e5cd7663e941fc49e4c994a340
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ciipqkoryvynryaesjmsszau.bif
        • Path C:\Program Files (x86)\ciipqkoryvynryaesjmsszau.bif
        • Size 280B
        • SHA256 1a545bdd1c87b0b7cb9b956c1389404a3f18ed11349dc6535a0f4a53d1b95d36
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ciipqkoryvynryaesjmsszau.bif
        • Path C:\Program Files (x86)\ciipqkoryvynryaesjmsszau.bif
        • Size 280B
        • SHA256 0e144306dabce212494c96fd655bed828df688cb7a33bf2dca776f2755c28eac
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        rpcsdqnnbzm.exe
        • Path C:\Users\Admin\AppData\Local\Temp\rpcsdqnnbzm.exe
        • Size 320KB
        • SHA256 9cef95c5cfd747c70adf275d0de84f5dc76f06122a26faf19ba7351dd585633e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        vglxdcl.exe
        • Path C:\Users\Admin\AppData\Local\Temp\vglxdcl.exe
        • Size 708KB
        • SHA256 b99a69ec921752a916f7c1c8fa686c7b7f81cb529a3adbac48aa4f1f3e878781
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ciipqkoryvynryaesjmsszau.bif
        • Path C:\Users\Admin\AppData\Local\ciipqkoryvynryaesjmsszau.bif
        • Size 280B
        • SHA256 c70d826a8666bf45fd232ca447f50cf401753dc4efb1f16276674d7fb03ffeab
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        lcnfrwlzrznncuhwvxlcnfrwlzrznncuhwv.lcn
        • Path C:\Users\Admin\AppData\Local\lcnfrwlzrznncuhwvxlcnfrwlzrznncuhwv.lcn
        • Size 4KB
        • SHA256 c8335d7570c2ac8a6c44c64ca53de331347d0255025106c8e33a77f3c7360dbc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        kgwtkuoherkpjgyswd.exe
        • Path C:\Windows\SysWOW64\kgwtkuoherkpjgyswd.exe
        • Size 1016KB
        • SHA256 7662ec2f8e621be474ac0509f38f38e4f4530e42a2d131514a90d8445affe3f3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        pendnqdpflx.bat
        • Path C:\pendnqdpflx.bat
        • Size 520KB
        • SHA256 b79ef8e40a8f377ab4799f1d3eec4f256767242d5972e4220939335d1d656d32
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download