Overview

overview

10

Static

static

3

tmp6ozhe3q1.exe

windows10-ltsc_2021-x64

10

tmp6ozhe3q1.exe

windows10-2004-x64

10

tmp6ozhe3q1.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 03:29

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General

  • Target
    tmp6ozhe3q1.exe
  • Size 564KB
  • Sample260602-d2a8facz4s
  • SHA256 32510832786c8c03e0f41c41e7f5de58f74e57ccfdacaae4468db0bd7a3dce15
  • 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 5 IoCs
    persistence
  • UAC bypass 3 TTPs 14 IoCs
    defense_evasiontrojan
  • Adds policy Run key to start application 2 TTPs 32 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 10 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 4 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 39 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 39 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 40 IoCs
    defense_evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp6ozhe3q1.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp6ozhe3q1.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5192
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\users\admin\appdata\local\temp\tmp6ozhe3q1.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:2636
      • C:\Users\Admin\AppData\Local\Temp\ajorcdp.exe
        "C:\Users\Admin\AppData\Local\Temp\ajorcdp.exe" "-C:\Users\Admin\AppData\Local\Temp\zrfrlvqgujznlykb.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 Location Discovery: System Language Discovery
        • System policy modification
        PID:5248
      • C:\Users\Admin\AppData\Local\Temp\ajorcdp.exe
        "C:\Users\Admin\AppData\Local\Temp\ajorcdp.exe" "-C:\Users\Admin\AppData\Local\Temp\zrfrlvqgujznlykb.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:5380
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\users\admin\appdata\local\temp\tmp6ozhe3q1.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:1432
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:3332
  • C:\Windows\czsjixxslfatwofbqlqng.exe
    czsjixxslfatwofbqlqng.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1572
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\czsjixxslfatwofbqlqng.exe*."
      2⤵
      • Executes dropped EXE
      PID:2536
  • C:\Windows\njbrpdcwohbtvmcxlfjf.exe
    njbrpdcwohbtvmcxlfjf.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1976
  • C:\Windows\avmbyljctlevwmbvibe.exe
    avmbyljctlevwmbvibe.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2596
  • C:\Users\Admin\AppData\Local\Temp\njbrpdcwohbtvmcxlfjf.exe
    C:\Users\Admin\AppData\Local\Temp\njbrpdcwohbtvmcxlfjf.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4180
  • C:\Windows\pjznjvskarjzzocvhz.exe
    pjznjvskarjzzocvhz.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\pjznjvskarjzzocvhz.exe*."
      2⤵
      • Executes dropped EXE
      PID:4432
  • C:\Users\Admin\AppData\Local\Temp\avmbyljctlevwmbvibe.exe
    C:\Users\Admin\AppData\Local\Temp\avmbyljctlevwmbvibe.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:740
  • C:\Windows\czsjixxslfatwofbqlqng.exe
    czsjixxslfatwofbqlqng.exe
    1⤵
    • Executes dropped EXE
    PID:5868
  • C:\Windows\njbrpdcwohbtvmcxlfjf.exe
    njbrpdcwohbtvmcxlfjf.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3236
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\njbrpdcwohbtvmcxlfjf.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:1556
  • C:\Users\Admin\AppData\Local\Temp\zrfrlvqgujznlykb.exe
    C:\Users\Admin\AppData\Local\Temp\zrfrlvqgujznlykb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:224
  • C:\Windows\zrfrlvqgujznlykb.exe
    zrfrlvqgujznlykb.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4864
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\zrfrlvqgujznlykb.exe*."
      2⤵
      • Executes dropped EXE
      PID:5716
  • C:\Windows\zrfrlvqgujznlykb.exe
    zrfrlvqgujznlykb.exe
    1⤵
    • Executes dropped EXE
    PID:3424
  • C:\Windows\gzobwhdujzqfesfxi.exe
    gzobwhdujzqfesfxi.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3176
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\gzobwhdujzqfesfxi.exe*."
      2⤵
      • Executes dropped EXE
      PID:624
  • C:\Windows\avmbyljctlevwmbvibe.exe
    avmbyljctlevwmbvibe.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\avmbyljctlevwmbvibe.exe*."
      2⤵
      • Executes dropped EXE
      PID:1772
  • C:\Windows\pjznjvskarjzzocvhz.exe
    pjznjvskarjzzocvhz.exe
    1⤵
    • Executes dropped EXE
    PID:4020
  • C:\Users\Admin\AppData\Local\Temp\pjznjvskarjzzocvhz.exe
    C:\Users\Admin\AppData\Local\Temp\pjznjvskarjzzocvhz.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2520
  • C:\Users\Admin\AppData\Local\Temp\gzobwhdujzqfesfxi.exe
    C:\Users\Admin\AppData\Local\Temp\gzobwhdujzqfesfxi.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2408
  • C:\Windows\gzobwhdujzqfesfxi.exe
    gzobwhdujzqfesfxi.exe
    1⤵
    • Executes dropped EXE
    PID:2272
  • C:\Users\Admin\AppData\Local\Temp\czsjixxslfatwofbqlqng.exe
    C:\Users\Admin\AppData\Local\Temp\czsjixxslfatwofbqlqng.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4144

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

        efcxatxwtrqnuqlledmnk.ibf
        • Path C:\Program Files (x86)\efcxatxwtrqnuqlledmnk.ibf
        • Size 280B
        • SHA256 1dee93340191f5dc3c6919f74b462ce265aaad7cf082c830bcb1f0b364de504c
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        efcxatxwtrqnuqlledmnk.ibf
        • Path C:\Program Files (x86)\efcxatxwtrqnuqlledmnk.ibf
        • Size 280B
        • SHA256 2694a564bd264dfb6c10da16c5575c2063a9a8395e879388153cd0d561a75dc5
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        efcxatxwtrqnuqlledmnk.ibf
        • Path C:\Program Files (x86)\efcxatxwtrqnuqlledmnk.ibf
        • Size 280B
        • SHA256 52c88dd10f32c52f6c63f5f3ac1e37437ab35cf08b3a01a6832ac590b9569a67
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ajorcdp.exe
        • Path C:\Users\Admin\AppData\Local\Temp\ajorcdp.exe
        • Size 740KB
        • SHA256 cd08dbadfd3396a42c5538b680412495c35e12a46e436f694165800bdaa9afbb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        qzsahtyjajc.exe
        • Path C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
        • Size 320KB
        • SHA256 ceaa89980c8b6e09071148889f8873166ddd2fde553de9efaaf52e54a36211a0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        efcxatxwtrqnuqlledmnk.ibf
        • Path C:\Users\Admin\AppData\Local\efcxatxwtrqnuqlledmnk.ibf
        • Size 280B
        • SHA256 1b088511f49a0befb16bcb476d71d4f8d4a420a3f446f9bc70d24e81567fa9fb
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        zltznrgqyhrzryeptdxjrxlpeowfpxpw.nrb
        • Path C:\Users\Admin\AppData\Local\zltznrgqyhrzryeptdxjrxlpeowfpxpw.nrb
        • Size 4KB
        • SHA256 5232773191f0caa392a869dbfbf1cc71fd286567a5f790e740d8cf018a36d180
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        pjznjvskarjzzocvhz.exe
        • Path C:\Windows\SysWOW64\pjznjvskarjzzocvhz.exe
        • Size 564KB
        • SHA256 32510832786c8c03e0f41c41e7f5de58f74e57ccfdacaae4468db0bd7a3dce15
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download