Overview

overview

10

Static

static

3

tmp89_6kg6_.exe

windows10-ltsc_2021-x64

10

tmp89_6kg6_.exe

windows10-2004-x64

10

tmp89_6kg6_.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • 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, 03:56

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General

  • Target
    tmp89_6kg6_.exe
  • Size 556KB
  • Sample260602-ehvcmsdv3w
  • SHA256 65b601671c4c680e383f5e60fd19be09d33361d5ebdf78040e822a2999f0cf06
  • 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 10 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\tmp89_6kg6_.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp89_6kg6_.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\users\admin\appdata\local\temp\tmp89_6kg6_.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:2268
      • C:\Users\Admin\AppData\Local\Temp\cjktx.exe
        "C:\Users\Admin\AppData\Local\Temp\cjktx.exe" "-C:\Users\Admin\AppData\Local\Temp\zrdxmxsjsjzohplv.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:688
      • C:\Users\Admin\AppData\Local\Temp\cjktx.exe
        "C:\Users\Admin\AppData\Local\Temp\cjktx.exe" "-C:\Users\Admin\AppData\Local\Temp\zrdxmxsjsjzohplv.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:3520
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\users\admin\appdata\local\temp\tmp89_6kg6_.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:836
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:4628
  • C:\Windows\czqpjzzvjfausfgvsyqne.exe
    czqpjzzvjfausfgvsyqne.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3800
  • C:\Users\Admin\AppData\Local\Temp\avkhznlfrlewsdcpkoe.exe
    C:\Users\Admin\AppData\Local\Temp\avkhznlfrlewsdcpkoe.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4700
  • C:\Windows\avkhznlfrlewsdcpkoe.exe
    avkhznlfrlewsdcpkoe.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4900
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\avkhznlfrlewsdcpkoe.exe*."
      2⤵
      • Executes dropped EXE
      PID:1684
  • C:\Users\Admin\AppData\Local\Temp\zrdxmxsjsjzohplv.exe
    C:\Users\Admin\AppData\Local\Temp\zrdxmxsjsjzohplv.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1040
  • C:\Windows\njzxqfezmhburddrnsjf.exe
    njzxqfezmhburddrnsjf.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4256
  • C:\Windows\zrdxmxsjsjzohplv.exe
    zrdxmxsjsjzohplv.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3980
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\zrdxmxsjsjzohplv.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:3968
  • C:\Windows\pjxtkxunyrjavfdpjm.exe
    pjxtkxunyrjavfdpjm.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5104
  • C:\Windows\avkhznlfrlewsdcpkoe.exe
    avkhznlfrlewsdcpkoe.exe
    1⤵
    • Executes dropped EXE
    PID:2472
  • C:\Users\Admin\AppData\Local\Temp\njzxqfezmhburddrnsjf.exe
    C:\Users\Admin\AppData\Local\Temp\njzxqfezmhburddrnsjf.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4704
  • C:\Windows\zrdxmxsjsjzohplv.exe
    zrdxmxsjsjzohplv.exe
    1⤵
    • Executes dropped EXE
    PID:1540
  • C:\Windows\gzmhxjfxhzqgajgrk.exe
    gzmhxjfxhzqgajgrk.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\gzmhxjfxhzqgajgrk.exe*."
      2⤵
      • Executes dropped EXE
      PID:4264
  • C:\Windows\czqpjzzvjfausfgvsyqne.exe
    czqpjzzvjfausfgvsyqne.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4820
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\czqpjzzvjfausfgvsyqne.exe*."
      2⤵
      • Executes dropped EXE
      PID:4256
  • C:\Users\Admin\AppData\Local\Temp\gzmhxjfxhzqgajgrk.exe
    C:\Users\Admin\AppData\Local\Temp\gzmhxjfxhzqgajgrk.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2404
  • C:\Windows\pjxtkxunyrjavfdpjm.exe
    pjxtkxunyrjavfdpjm.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\pjxtkxunyrjavfdpjm.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:4272
  • C:\Windows\njzxqfezmhburddrnsjf.exe
    njzxqfezmhburddrnsjf.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5012
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\njzxqfezmhburddrnsjf.exe*."
      2⤵
      • Executes dropped EXE
      PID:4004
  • C:\Users\Admin\AppData\Local\Temp\czqpjzzvjfausfgvsyqne.exe
    C:\Users\Admin\AppData\Local\Temp\czqpjzzvjfausfgvsyqne.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4256
  • C:\Users\Admin\AppData\Local\Temp\pjxtkxunyrjavfdpjm.exe
    C:\Users\Admin\AppData\Local\Temp\pjxtkxunyrjavfdpjm.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4288
  • C:\Windows\gzmhxjfxhzqgajgrk.exe
    gzmhxjfxhzqgajgrk.exe
    1⤵
    • Executes dropped EXE
    PID:2640

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

        cjktx.exe
        • Path C:\Users\Admin\AppData\Local\Temp\cjktx.exe
        • Size 724KB
        • SHA256 0820f171e9290534500149814b424e478fb1cdc1cdf33ccbb63a6ce7578db067
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        qaorinawaky.exe
        • Path C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
        • Size 320KB
        • SHA256 0cc02d34d5fd4cf892fed282f98c1ad3e7dd6159a8877ae5c46d3f834ed36060
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        efadbvzzrrqoqhmfgqmni.jdh
        • Path C:\Users\Admin\AppData\Local\efadbvzzrrqoqhmfgqmni.jdh
        • Size 272B
        • SHA256 4c92819e6f277520a2552e1f00ad4c7009312e30b294ce75ce0c5b4934327eb4
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        zlrfotitwhranpfjvqxjpdmrgrufpyln.hto
        • Path C:\Users\Admin\AppData\Local\zlrfotitwhranpfjvqxjpdmrgrufpyln.hto
        • Size 3KB
        • SHA256 5fc72ea94715f4c2faa20fe6d0f8fbeed4b6d6c25d9eb4dda9ac08fd010252b9
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        pjxtkxunyrjavfdpjm.exe
        • Path C:\Windows\SysWOW64\pjxtkxunyrjavfdpjm.exe
        • Size 556KB
        • SHA256 65b601671c4c680e383f5e60fd19be09d33361d5ebdf78040e822a2999f0cf06
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download