Overview

overview

10

Static

static

3

tmpfitot70p.exe

windows10-ltsc_2021-x64

10

tmpfitot70p.exe

windows10-2004-x64

10

tmpfitot70p.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    144s
  • 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, 02:47

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General

  • Target
    tmpfitot70p.exe
  • Size 1016KB
  • Sample260602-c94dhsdv8m
  • SHA256 f8822428b18ac21c9c6d2f9db7af18d84301ce451fd4fdecf4c5a36fb3a37e58
  • 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\tmpfitot70p.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpfitot70p.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4076
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\users\admin\appdata\local\temp\tmpfitot70p.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:3948
      • C:\Users\Admin\AppData\Local\Temp\zakqbjn.exe
        "C:\Users\Admin\AppData\Local\Temp\zakqbjn.exe" "-C:\Users\Admin\AppData\Local\Temp\yibqkbojqiznlykb.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:1372
      • C:\Users\Admin\AppData\Local\Temp\zakqbjn.exe
        "C:\Users\Admin\AppData\Local\Temp\zakqbjn.exe" "-C:\Users\Admin\AppData\Local\Temp\yibqkbojqiznlykb.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:1756
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\users\admin\appdata\local\temp\tmpfitot70p.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:4804
  • C:\Windows\bqoihdvvheatwofbqlpec.exe
    bqoihdvvheatwofbqlpec.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3864
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\bqoihdvvheatwofbqlpec.exe*."
      2⤵
      • Executes dropped EXE
      PID:3968
  • C:\Windows\fqkavnbxfyqfesfxi.exe
    fqkavnbxfyqfesfxi.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2568
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:1548
  • C:\Users\Admin\AppData\Local\Temp\yibqkbojqiznlykb.exe
    C:\Users\Admin\AppData\Local\Temp\yibqkbojqiznlykb.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4532
  • C:\Users\Admin\AppData\Local\Temp\oavmibqnwqjzzocvhz.exe
    C:\Users\Admin\AppData\Local\Temp\oavmibqnwqjzzocvhz.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4576
  • C:\Windows\zmiaxrhfpkevwmbvibd.exe
    zmiaxrhfpkevwmbvibd.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:228
  • C:\Windows\yibqkbojqiznlykb.exe
    yibqkbojqiznlykb.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5004
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\yibqkbojqiznlykb.exe*."
      2⤵
      • Executes dropped EXE
      PID:1544
  • C:\Users\Admin\AppData\Local\Temp\fqkavnbxfyqfesfxi.exe
    C:\Users\Admin\AppData\Local\Temp\fqkavnbxfyqfesfxi.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3716
  • C:\Users\Admin\AppData\Local\Temp\maxqojazkgbtvmcxlfiw.exe
    C:\Users\Admin\AppData\Local\Temp\maxqojazkgbtvmcxlfiw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3172
  • C:\Windows\maxqojazkgbtvmcxlfiw.exe
    maxqojazkgbtvmcxlfiw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3988
  • C:\Windows\oavmibqnwqjzzocvhz.exe
    oavmibqnwqjzzocvhz.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\oavmibqnwqjzzocvhz.exe*."
      2⤵
      • Executes dropped EXE
      PID:4536
  • C:\Windows\maxqojazkgbtvmcxlfiw.exe
    maxqojazkgbtvmcxlfiw.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\maxqojazkgbtvmcxlfiw.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\zmiaxrhfpkevwmbvibd.exe
    zmiaxrhfpkevwmbvibd.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4452
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\zmiaxrhfpkevwmbvibd.exe*."
      2⤵
      • Executes dropped EXE
      PID:3020
  • C:\Windows\oavmibqnwqjzzocvhz.exe
    oavmibqnwqjzzocvhz.exe
    1⤵
    • Executes dropped EXE
    PID:2384
  • C:\Users\Admin\AppData\Local\Temp\bqoihdvvheatwofbqlpec.exe
    C:\Users\Admin\AppData\Local\Temp\bqoihdvvheatwofbqlpec.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1740
  • C:\Windows\yibqkbojqiznlykb.exe
    yibqkbojqiznlykb.exe
    1⤵
    • Executes dropped EXE
    PID:220
  • C:\Windows\fqkavnbxfyqfesfxi.exe
    fqkavnbxfyqfesfxi.exe .
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
      "C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe" "c:\windows\fqkavnbxfyqfesfxi.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:2096
  • C:\Windows\bqoihdvvheatwofbqlpec.exe
    bqoihdvvheatwofbqlpec.exe
    1⤵
    • Executes dropped EXE
    PID:4116
  • C:\Users\Admin\AppData\Local\Temp\zmiaxrhfpkevwmbvibd.exe
    C:\Users\Admin\AppData\Local\Temp\zmiaxrhfpkevwmbvibd.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:556

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

        qzsahtyjajc.exe
        • Path C:\Users\Admin\AppData\Local\Temp\qzsahtyjajc.exe
        • Size 320KB
        • SHA256 4bb33ba59c9375b94b7580e24545444c4397b3ae0073422b3148eef6344596eb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        zakqbjn.exe
        • Path C:\Users\Admin\AppData\Local\Temp\zakqbjn.exe
        • Size 704KB
        • SHA256 5fab5bf455945e2a4cc0e9c7fa729c297a3d252479f622d4b125e25ca886514e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        dwywzzvzpqqnuqlledleg.hhd
        • Path C:\Users\Admin\AppData\Local\dwywzzvzpqqnuqlledleg.hhd
        • Size 280B
        • SHA256 7bcf6d70411f59c9a33e36aa0f84ea7984021ba8727091ac9542a54ddb0a1705
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ycpymxetugrzryeptdwanwkvcrsepxpw.nrb
        • Path C:\Users\Admin\AppData\Local\ycpymxetugrzryeptdwanwkvcrsepxpw.nrb
        • Size 4KB
        • SHA256 461075c881ad781d5bcf6fb82b15d1398ae2ab76edc7c5f2575763cf5f671edb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        oavmibqnwqjzzocvhz.exe
        • Path C:\Windows\SysWOW64\oavmibqnwqjzzocvhz.exe
        • Size 1016KB
        • SHA256 f8822428b18ac21c9c6d2f9db7af18d84301ce451fd4fdecf4c5a36fb3a37e58
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download