Overview

overview

10

Static

static

3

tmpy8m4pvmy.exe

windows10-ltsc_2021-x64

10

tmpy8m4pvmy.exe

windows10-2004-x64

10

tmpy8m4pvmy.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    145s
  • 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, 02:55

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    tmpy8m4pvmy.exe
  • Size 612KB
  • Sample260602-dejajact2s
  • SHA256 1978b6cdf7b474f443bfc551fc0bbf9f46073fc4c336b63743d0dbc1fb19e188
  • 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
  • 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 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\tmpy8m4pvmy.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpy8m4pvmy.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\users\admin\appdata\local\temp\tmpy8m4pvmy.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:3160
      • C:\Users\Admin\AppData\Local\Temp\tgjwwjo.exe
        "C:\Users\Admin\AppData\Local\Temp\tgjwwjo.exe" "-C:\Users\Admin\AppData\Local\Temp\soawfbphshzohplv.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:776
      • C:\Users\Admin\AppData\Local\Temp\tgjwwjo.exe
        "C:\Users\Admin\AppData\Local\Temp\tgjwwjo.exe" "-C:\Users\Admin\AppData\Local\Temp\soawfbphshzohplv.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:1112
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\users\admin\appdata\local\temp\tmpy8m4pvmy.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:2836
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:1968
  • C:\Windows\vwnocdwtjdausfgvsyjkb.exe
    vwnocdwtjdausfgvsyjkb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:916
  • C:\Windows\igusdbrlypjavfdpjm.exe
    igusdbrlypjavfdpjm.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3304
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\igusdbrlypjavfdpjm.exe*."
      2⤵
      • Executes dropped EXE
      PID:4116
  • C:\Windows\ggwwjjbxmfburddrnscc.exe
    ggwwjjbxmfburddrnscc.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3116
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\ggwwjjbxmfburddrnscc.exe*."
      2⤵
      • Executes dropped EXE
      PID:1880
  • C:\Users\Admin\AppData\Local\Temp\vwnocdwtjdausfgvsyjkb.exe
    C:\Users\Admin\AppData\Local\Temp\vwnocdwtjdausfgvsyjkb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3500
  • C:\Users\Admin\AppData\Local\Temp\ggwwjjbxmfburddrnscc.exe
    C:\Users\Admin\AppData\Local\Temp\ggwwjjbxmfburddrnscc.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1584
  • C:\Windows\igusdbrlypjavfdpjm.exe
    igusdbrlypjavfdpjm.exe
    1⤵
    • Executes dropped EXE
    PID:4652
  • C:\Windows\ggwwjjbxmfburddrnscc.exe
    ggwwjjbxmfburddrnscc.exe
    1⤵
    • Executes dropped EXE
    PID:2640
  • C:\Windows\tshgsridrjewsdcpkox.exe
    tshgsridrjewsdcpkox.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\tshgsridrjewsdcpkox.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:4940
  • C:\Users\Admin\AppData\Local\Temp\soawfbphshzohplv.exe
    C:\Users\Admin\AppData\Local\Temp\soawfbphshzohplv.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3608
  • C:\Windows\zwjgqncvhxqgajgrk.exe
    zwjgqncvhxqgajgrk.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\zwjgqncvhxqgajgrk.exe*."
      2⤵
      • Executes dropped EXE
      PID:1656
  • C:\Windows\tshgsridrjewsdcpkox.exe
    tshgsridrjewsdcpkox.exe
    1⤵
    • Executes dropped EXE
    PID:4752
  • C:\Users\Admin\AppData\Local\Temp\zwjgqncvhxqgajgrk.exe
    C:\Users\Admin\AppData\Local\Temp\zwjgqncvhxqgajgrk.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4640
  • C:\Windows\soawfbphshzohplv.exe
    soawfbphshzohplv.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3932
  • C:\Users\Admin\AppData\Local\Temp\igusdbrlypjavfdpjm.exe
    C:\Users\Admin\AppData\Local\Temp\igusdbrlypjavfdpjm.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4352
  • C:\Windows\soawfbphshzohplv.exe
    soawfbphshzohplv.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4908
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\soawfbphshzohplv.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:2848
  • C:\Windows\zwjgqncvhxqgajgrk.exe
    zwjgqncvhxqgajgrk.exe
    1⤵
    • Executes dropped EXE
    PID:2016
  • C:\Windows\vwnocdwtjdausfgvsyjkb.exe
    vwnocdwtjdausfgvsyjkb.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\vwnocdwtjdausfgvsyjkb.exe*."
      2⤵
      • Executes dropped EXE
      PID:3608
  • C:\Users\Admin\AppData\Local\Temp\tshgsridrjewsdcpkox.exe
    C:\Users\Admin\AppData\Local\Temp\tshgsridrjewsdcpkox.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3344

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 c8c542ac3f6526d1501c2b9d6262bfa029a1ac0d9dd6b3c1965977abdd8bd126
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        tgjwwjo.exe
        • Path C:\Users\Admin\AppData\Local\Temp\tgjwwjo.exe
        • Size 704KB
        • SHA256 ffa5f0d4682dac6e335fa76b4ab363f2be4f44ea1d9ec6ac482e4090c316f173
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        fonwsbchfhmoupyvaohqpyude.hjo
        • Path C:\Users\Admin\AppData\Local\fonwsbchfhmoupyvaohqpyude.hjo
        • Size 272B
        • SHA256 c8597d8cb08a8adbc735339e9e1f789c5f83604370f6828103aa7baa74e52b71
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        keoipjvluhxkbhbjzycwgahbndmzpctztbrq.oys
        • Path C:\Users\Admin\AppData\Local\keoipjvluhxkbhbjzycwgahbndmzpctztbrq.oys
        • Size 3KB
        • SHA256 7fdcdd97a5c8a74fbde52736b20a8c2b4eddae06df4df2377fe35a206f0c1700
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        igusdbrlypjavfdpjm.exe
        • Path C:\Windows\SysWOW64\igusdbrlypjavfdpjm.exe
        • Size 612KB
        • SHA256 1978b6cdf7b474f443bfc551fc0bbf9f46073fc4c336b63743d0dbc1fb19e188
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download