Overview

overview

10

Static

static

3

tmpuz_7tciy.exe

windows10-ltsc_2021-x64

10

tmpuz_7tciy.exe

windows10-2004-x64

10

tmpuz_7tciy.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 14:04

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General

  • Target
    tmpuz_7tciy.exe
  • Size 1016KB
  • Sample260522-rdknvsds5r
  • SHA256 5cec6e009c541bcfb07895208865fd41e967dafcb3dd83c438df18ca4999d276
  • 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
  • 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 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\tmpuz_7tciy.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpuz_7tciy.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe
      "C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe" "c:\users\admin\appdata\local\temp\tmpuz_7tciy.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:3168
      • C:\Users\Admin\AppData\Local\Temp\zgoqdlm.exe
        "C:\Users\Admin\AppData\Local\Temp\zgoqdlm.exe" "-C:\Users\Admin\AppData\Local\Temp\yofqmdnbrkbzqfti.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:4452
      • C:\Users\Admin\AppData\Local\Temp\zgoqdlm.exe
        "C:\Users\Admin\AppData\Local\Temp\zgoqdlm.exe" "-C:\Users\Admin\AppData\Local\Temp\yofqmdnbrkbzqfti.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:2512
    • C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe
      "C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe" "c:\users\admin\appdata\local\temp\tmpuz_7tciy.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:1056
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:432
  • C:\Windows\bwsijfunigcfbvoiynpkg.exe
    bwsijfunigcfbvoiynpkg.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:764
  • C:\Windows\fwoaxpapgasrjzoeq.exe
    fwoaxpapgasrjzoeq.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4496
    • C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe
      "C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe" "c:\windows\fwoaxpapgasrjzoeq.exe*."
      2⤵
      • Executes dropped EXE
      PID:4744
  • C:\Users\Admin\AppData\Local\Temp\yofqmdnbrkbzqfti.exe
    C:\Users\Admin\AppData\Local\Temp\yofqmdnbrkbzqfti.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3808
  • C:\Windows\fwoaxpapgasrjzoeq.exe
    fwoaxpapgasrjzoeq.exe
    1⤵
    • Executes dropped EXE
    PID:3424
  • C:\Windows\mgbqqlzrlidfatlethic.exe
    mgbqqlzrlidfatlethic.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1144
  • C:\Windows\mgbqqlzrlidfatlethic.exe
    mgbqqlzrlidfatlethic.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe
      "C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe" "c:\windows\mgbqqlzrlidfatlethic.exe*."
      2⤵
      • Executes dropped EXE
      PID:2540
  • C:\Windows\zsmaztgxqmghbtkcqdd.exe
    zsmaztgxqmghbtkcqdd.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3804
    • C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe
      "C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe" "c:\windows\zsmaztgxqmghbtkcqdd.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:2572
  • C:\Windows\zsmaztgxqmghbtkcqdd.exe
    zsmaztgxqmghbtkcqdd.exe
    1⤵
    • Executes dropped EXE
    PID:4148
  • C:\Users\Admin\AppData\Local\Temp\fwoaxpapgasrjzoeq.exe
    C:\Users\Admin\AppData\Local\Temp\fwoaxpapgasrjzoeq.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4360
  • C:\Windows\ogzmkdpfxsllevlcpb.exe
    ogzmkdpfxsllevlcpb.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe
      "C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe" "c:\windows\ogzmkdpfxsllevlcpb.exe*."
      2⤵
      • Executes dropped EXE
      PID:3236
  • C:\Users\Admin\AppData\Local\Temp\ogzmkdpfxsllevlcpb.exe
    C:\Users\Admin\AppData\Local\Temp\ogzmkdpfxsllevlcpb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1416
  • C:\Users\Admin\AppData\Local\Temp\zsmaztgxqmghbtkcqdd.exe
    C:\Users\Admin\AppData\Local\Temp\zsmaztgxqmghbtkcqdd.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4760
  • C:\Windows\yofqmdnbrkbzqfti.exe
    yofqmdnbrkbzqfti.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3224
    • C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe
      "C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe" "c:\windows\yofqmdnbrkbzqfti.exe*."
      2⤵
      • Executes dropped EXE
      PID:3868
  • C:\Windows\yofqmdnbrkbzqfti.exe
    yofqmdnbrkbzqfti.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4780
  • C:\Windows\bwsijfunigcfbvoiynpkg.exe
    bwsijfunigcfbvoiynpkg.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe
      "C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe" "c:\windows\bwsijfunigcfbvoiynpkg.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:2592
  • C:\Windows\ogzmkdpfxsllevlcpb.exe
    ogzmkdpfxsllevlcpb.exe
    1⤵
    • Executes dropped EXE
    PID:4388
  • C:\Users\Admin\AppData\Local\Temp\bwsijfunigcfbvoiynpkg.exe
    C:\Users\Admin\AppData\Local\Temp\bwsijfunigcfbvoiynpkg.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4412
  • C:\Users\Admin\AppData\Local\Temp\mgbqqlzrlidfatlethic.exe
    C:\Users\Admin\AppData\Local\Temp\mgbqqlzrlidfatlethic.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3864

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

        swbakpnptafrwzbedbmqvuejhj.uzl
        • Path C:\Program Files (x86)\swbakpnptafrwzbedbmqvuejhj.uzl
        • Size 280B
        • SHA256 8c6056822d5e5d678b8ee71cd4c73767edb62ad4768344ff572d9a964530ab75
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        swbakpnptafrwzbedbmqvuejhj.uzl
        • Path C:\Program Files (x86)\swbakpnptafrwzbedbmqvuejhj.uzl
        • Size 280B
        • SHA256 527a24596f43783edb828d0b4de601a454935732269c8a6da1d41a65c70df324
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        swbakpnptafrwzbedbmqvuejhj.uzl
        • Path C:\Program Files (x86)\swbakpnptafrwzbedbmqvuejhj.uzl
        • Size 280B
        • SHA256 1ba352c23b63bfcb2eace4462fabba32204aa251ab5c18b4e3aed6ad8d896a86
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        slxhqaglcvh.exe
        • Path C:\Users\Admin\AppData\Local\Temp\slxhqaglcvh.exe
        • Size 320KB
        • SHA256 06dd386cb78e423ea530320fc961c36d1601cacde8e4a258205802540bb8b8d1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        zgoqdlm.exe
        • Path C:\Users\Admin\AppData\Local\Temp\zgoqdlm.exe
        • Size 716KB
        • SHA256 da26cd56ca565f933b1e506be111a12c121a85c4bc631a5c29df7c26c21f37c8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        swbakpnptafrwzbedbmqvuejhj.uzl
        • Path C:\Users\Admin\AppData\Local\swbakpnptafrwzbedbmqvuejhj.uzl
        • Size 280B
        • SHA256 f3b0a6df2280aac88460f13a3c353e4ff91e4b17241c85d0bcd7eca642310a37
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        tiyidtcpewmjznaoyhdsisndmzogwtjxkyirn.scx
        • Path C:\Users\Admin\AppData\Local\tiyidtcpewmjznaoyhdsisndmzogwtjxkyirn.scx
        • Size 4KB
        • SHA256 7b628d1927e320714a501a49ec44ef978cb4a868798b0150c4954285d1d80ebf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ogzmkdpfxsllevlcpb.exe
        • Path C:\Windows\SysWOW64\ogzmkdpfxsllevlcpb.exe
        • Size 1016KB
        • SHA256 5cec6e009c541bcfb07895208865fd41e967dafcb3dd83c438df18ca4999d276
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        teqwnzenymy.bat
        • Path C:\teqwnzenymy.bat
        • Size 508KB
        • SHA256 26a3e2af7c33fa64e58dbb71bd4663bf117cc1ec847629270c450ebdfd22c23b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download