Overview

overview

10

Static

static

3

tmpo2rup26v.exe

windows10-ltsc_2021-x64

10

tmpo2rup26v.exe

windows10-2004-x64

10

tmpo2rup26v.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • 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, 14:28

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General

  • Target
    tmpo2rup26v.exe
  • Size 564KB
  • Sample260522-rtb2nags6t
  • SHA256 5105a1419adf02ed429d0dbc870562f96f9f81b7266a5dd0c0c559596af0771b
  • 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 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 8 IoCs

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

  • 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 18 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\tmpo2rup26v.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpo2rup26v.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\users\admin\appdata\local\temp\tmpo2rup26v.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:1604
      • C:\Users\Admin\AppData\Local\Temp\ziloxhl.exe
        "C:\Users\Admin\AppData\Local\Temp\ziloxhl.exe" "-C:\Users\Admin\AppData\Local\Temp\yqcogzmctibjfphi.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:3884
      • C:\Users\Admin\AppData\Local\Temp\ziloxhl.exe
        "C:\Users\Admin\AppData\Local\Temp\ziloxhl.exe" "-C:\Users\Admin\AppData\Local\Temp\yqcogzmctibjfphi.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:1192
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\users\admin\appdata\local\temp\tmpo2rup26v.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:2532
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:5004
  • C:\Windows\yqcogzmctibjfphi.exe
    yqcogzmctibjfphi.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1696
  • C:\Windows\bypgdbtokecpqfcizwneb.exe
    bypgdbtokecpqfcizwneb.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\bypgdbtokecpqfcizwneb.exe*."
      2⤵
      • Executes dropped EXE
      PID:1888
  • C:\Users\Admin\AppData\Local\Temp\yqcogzmctibjfphi.exe
    C:\Users\Admin\AppData\Local\Temp\yqcogzmctibjfphi.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4480
  • C:\Windows\fylyrlzqiysbyjcer.exe
    fylyrlzqiysbyjcer.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3356
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\fylyrlzqiysbyjcer.exe*."
      2⤵
      • Executes dropped EXE
      PID:3372
  • C:\Windows\miyokhysngdppdzeuqgw.exe
    miyokhysngdppdzeuqgw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:896
  • C:\Users\Admin\AppData\Local\Temp\miyokhysngdppdzeuqgw.exe
    C:\Users\Admin\AppData\Local\Temp\miyokhysngdppdzeuqgw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4296
  • C:\Windows\zujytpfyskgrqdycrmb.exe
    zujytpfyskgrqdycrmb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2240
  • C:\Windows\bypgdbtokecpqfcizwneb.exe
    bypgdbtokecpqfcizwneb.exe
    1⤵
    • Executes dropped EXE
    PID:1140
  • C:\Windows\oiwkezogzqlvtfzcqk.exe
    oiwkezogzqlvtfzcqk.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4156
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\oiwkezogzqlvtfzcqk.exe*."
      2⤵
      • Executes dropped EXE
      PID:4260
  • C:\Users\Admin\AppData\Local\Temp\bypgdbtokecpqfcizwneb.exe
    C:\Users\Admin\AppData\Local\Temp\bypgdbtokecpqfcizwneb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2704
  • C:\Users\Admin\AppData\Local\Temp\zujytpfyskgrqdycrmb.exe
    C:\Users\Admin\AppData\Local\Temp\zujytpfyskgrqdycrmb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3436
  • C:\Users\Admin\AppData\Local\Temp\fylyrlzqiysbyjcer.exe
    C:\Users\Admin\AppData\Local\Temp\fylyrlzqiysbyjcer.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4788
  • C:\Windows\oiwkezogzqlvtfzcqk.exe
    oiwkezogzqlvtfzcqk.exe
    1⤵
    • Executes dropped EXE
    PID:1992
  • C:\Users\Admin\AppData\Local\Temp\oiwkezogzqlvtfzcqk.exe
    C:\Users\Admin\AppData\Local\Temp\oiwkezogzqlvtfzcqk.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2628
  • C:\Windows\fylyrlzqiysbyjcer.exe
    fylyrlzqiysbyjcer.exe
    1⤵
    • Executes dropped EXE
    PID:3732
  • C:\Windows\miyokhysngdppdzeuqgw.exe
    miyokhysngdppdzeuqgw.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\miyokhysngdppdzeuqgw.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:2488
  • C:\Windows\yqcogzmctibjfphi.exe
    yqcogzmctibjfphi.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:456
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\yqcogzmctibjfphi.exe*."
      2⤵
      • Executes dropped EXE
      PID:2240
  • C:\Windows\zujytpfyskgrqdycrmb.exe
    zujytpfyskgrqdycrmb.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3544
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\zujytpfyskgrqdycrmb.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:416

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

        qaorinawaky.exe
        • Path C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
        • Size 320KB
        • SHA256 f73e5a3e29b8d220c499fb439cc9807e846dd89e8a2a563dd8fc157232688db3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ziloxhl.exe
        • Path C:\Users\Admin\AppData\Local\Temp\ziloxhl.exe
        • Size 704KB
        • SHA256 237b234a7d8b7c507ebbd66e89776e896e673730fa2f8cc078c2278021dca140
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        gkigkpoqtuztbxbomqomqvuw.afz
        • Path C:\Users\Admin\AppData\Local\gkigkpoqtuztbxbomqomqvuw.afz
        • Size 280B
        • SHA256 c04b3cb181ea1635eb01e555c5ade11fcf9fbd9c3bd0483cadd2f2d6c8aac42e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        penwlblymyotmtigpenwlblymyotmtigpen.lbl
        • Path C:\Users\Admin\AppData\Local\penwlblymyotmtigpenwlblymyotmtigpen.lbl
        • Size 4KB
        • SHA256 8ada60521ebb9f76767819dbd97cd7feeafa3af750581e9102f3fd88127d59d7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        oiwkezogzqlvtfzcqk.exe
        • Path C:\Windows\SysWOW64\oiwkezogzqlvtfzcqk.exe
        • Size 564KB
        • SHA256 5105a1419adf02ed429d0dbc870562f96f9f81b7266a5dd0c0c559596af0771b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download