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
    148s
  • 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, 03:56

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

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
  • 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 4 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⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:6024
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.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
      • 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:2800
      • C:\Users\Admin\AppData\Local\Temp\psabgl.exe
        "C:\Users\Admin\AppData\Local\Temp\psabgl.exe" "-C:\Users\Admin\AppData\Local\Temp\bogrgvmgrkdamcnp.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:1224
      • C:\Users\Admin\AppData\Local\Temp\psabgl.exe
        "C:\Users\Admin\AppData\Local\Temp\psabgl.exe" "-C:\Users\Admin\AppData\Local\Temp\bogrgvmgrkdamcnp.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:2704
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.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:5196
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:1732
  • C:\Windows\ewtjdxtsigegxsipcjskh.exe
    ewtjdxtsigegxsipcjskh.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4088
  • C:\Windows\pgcrkdywlifgwqflxdlc.exe
    pgcrkdywlifgwqflxdlc.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5436
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\pgcrkdywlifgwqflxdlc.exe*."
      2⤵
      • Executes dropped EXE
      PID:2536
  • C:\Windows\pgcrkdywlifgwqflxdlc.exe
    pgcrkdywlifgwqflxdlc.exe
    1⤵
    • Executes dropped EXE
    PID:5012
  • C:\Users\Admin\AppData\Local\Temp\ewtjdxtsigegxsipcjskh.exe
    C:\Users\Admin\AppData\Local\Temp\ewtjdxtsigegxsipcjskh.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4748
  • C:\Windows\iwpbrhzugausfwilu.exe
    iwpbrhzugausfwilu.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4464
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\iwpbrhzugausfwilu.exe*."
      2⤵
      • Executes dropped EXE
      PID:3904
  • C:\Users\Admin\AppData\Local\Temp\csnbtlfcqmiixqejuzg.exe
    C:\Users\Admin\AppData\Local\Temp\csnbtlfcqmiixqejuzg.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4800
  • C:\Windows\iwpbrhzugausfwilu.exe
    iwpbrhzugausfwilu.exe
    1⤵
    • Executes dropped EXE
    PID:1864
  • C:\Windows\bogrgvmgrkdamcnp.exe
    bogrgvmgrkdamcnp.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2408
  • C:\Windows\csnbtlfcqmiixqejuzg.exe
    csnbtlfcqmiixqejuzg.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2260
  • C:\Windows\bogrgvmgrkdamcnp.exe
    bogrgvmgrkdamcnp.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\bogrgvmgrkdamcnp.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:5980
  • C:\Windows\csnbtlfcqmiixqejuzg.exe
    csnbtlfcqmiixqejuzg.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\csnbtlfcqmiixqejuzg.exe*."
      2⤵
      • Executes dropped EXE
      PID:1012
  • C:\Users\Admin\AppData\Local\Temp\bogrgvmgrkdamcnp.exe
    C:\Users\Admin\AppData\Local\Temp\bogrgvmgrkdamcnp.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3232
  • C:\Users\Admin\AppData\Local\Temp\pgcrkdywlifgwqflxdlc.exe
    C:\Users\Admin\AppData\Local\Temp\pgcrkdywlifgwqflxdlc.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:572
  • C:\Windows\ewtjdxtsigegxsipcjskh.exe
    ewtjdxtsigegxsipcjskh.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\ewtjdxtsigegxsipcjskh.exe*."
      2⤵
      • Executes dropped EXE
      PID:2944
  • C:\Users\Admin\AppData\Local\Temp\rganevokxsnmasfjtx.exe
    C:\Users\Admin\AppData\Local\Temp\rganevokxsnmasfjtx.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5092
  • C:\Users\Admin\AppData\Local\Temp\iwpbrhzugausfwilu.exe
    C:\Users\Admin\AppData\Local\Temp\iwpbrhzugausfwilu.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3544
  • C:\Windows\rganevokxsnmasfjtx.exe
    rganevokxsnmasfjtx.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:484
    • C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe
      "C:\Users\Admin\AppData\Local\Temp\umtekhkhewd.exe" "c:\windows\rganevokxsnmasfjtx.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:5588
  • C:\Windows\rganevokxsnmasfjtx.exe
    rganevokxsnmasfjtx.exe
    1⤵
    • Executes dropped EXE
    PID:2560

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

        System Information Discovery

        2
        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

        psabgl.exe
        • Path C:\Users\Admin\AppData\Local\Temp\psabgl.exe
        • Size 700KB
        • SHA256 ab0ea59bc8ca64910469b5f57173d1f6731cddeed37556d937aec23f11f4cacd
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

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

        vwcbehmutahsswvlhxpqwvybgo.ubm
        • Path C:\Users\Admin\AppData\Local\vwcbehmutahsswvlhxpqwvybgo.ubm
        • Size 272B
        • SHA256 cfd189b699168eec8dd11004a3c52397bd32950ccaaba2746b12c754064c400b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        wizjxlbuewokvkuvcdgsjthvleogyufuefmnq.tdr
        • Path C:\Users\Admin\AppData\Local\wizjxlbuewokvkuvcdgsjthvleogyufuefmnq.tdr
        • Size 3KB
        • SHA256 1f3ffe2342202a09511cd69fcc1b952e8b35742eec9b942d850e8fe8e9367773
        • MD5 SHA1 SHA512 TLSH
        Submit Download

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