Overview

overview

10

Static

static

3

tmp6tv4n76r.exe

windows10-2004-x64

10

tmp6tv4n76r.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/05/2026, 14:07

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General

  • Target
    tmp6tv4n76r.exe
  • Size 1016KB
  • Sample260522-rfa77sfx5x
  • SHA256 1adfe64c20a9e0ec8625ef833b81288dbb1af3ebe44bf10903a87b372937d2e5
  • 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 7 IoCs
    persistence
  • UAC bypass 3 TTPs 16 IoCs
    defense_evasiontrojan
  • Adds policy Run key to start application 2 TTPs 39 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 14 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 8 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 53 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 53 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 20 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 44 IoCs
    defense_evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp6tv4n76r.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp6tv4n76r.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4752
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\users\admin\appdata\local\temp\tmp6tv4n76r.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:2700
      • C:\Users\Admin\AppData\Local\Temp\yhptcgs.exe
        "C:\Users\Admin\AppData\Local\Temp\yhptcgs.exe" "-C:\Users\Admin\AppData\Local\Temp\xpgtlyteqkzohplv.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:4456
      • C:\Users\Admin\AppData\Local\Temp\yhptcgs.exe
        "C:\Users\Admin\AppData\Local\Temp\yhptcgs.exe" "-C:\Users\Admin\AppData\Local\Temp\xpgtlyteqkzohplv.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:3784
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\users\admin\appdata\local\temp\tmp6tv4n76r.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:4616
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:228
  • C:\Windows\nhapjyviwsjavfdpjm.exe
    nhapjyviwsjavfdpjm.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4228
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\nhapjyviwsjavfdpjm.exe*."
      2⤵
      • Executes dropped EXE
      PID:2144
  • C:\Windows\ytndyomapmewsdcpkoc.exe
    ytndyomapmewsdcpkoc.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3140
  • C:\Windows\expdwkgsfaqgajgrk.exe
    expdwkgsfaqgajgrk.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3420
  • C:\Users\Admin\AppData\Local\Temp\expdwkgsfaqgajgrk.exe
    C:\Users\Admin\AppData\Local\Temp\expdwkgsfaqgajgrk.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3960
  • C:\Windows\expdwkgsfaqgajgrk.exe
    expdwkgsfaqgajgrk.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\expdwkgsfaqgajgrk.exe*."
      2⤵
      • Executes dropped EXE
      PID:1948
  • C:\Users\Admin\AppData\Local\Temp\ytndyomapmewsdcpkoc.exe
    C:\Users\Admin\AppData\Local\Temp\ytndyomapmewsdcpkoc.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2380
  • C:\Windows\axtliaaqhgausfgvsyolh.exe
    axtliaaqhgausfgvsyolh.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2528
  • C:\Windows\nhapjyviwsjavfdpjm.exe
    nhapjyviwsjavfdpjm.exe
    1⤵
    • Executes dropped EXE
    PID:3140
  • C:\Windows\ytndyomapmewsdcpkoc.exe
    ytndyomapmewsdcpkoc.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3504
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\ytndyomapmewsdcpkoc.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:464
  • C:\Windows\xpgtlyteqkzohplv.exe
    xpgtlyteqkzohplv.exe .
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
      "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\xpgtlyteqkzohplv.exe*."
      2⤵
      • Executes dropped EXE
      PID:3540
  • C:\Windows\xpgtlyteqkzohplv.exe
    xpgtlyteqkzohplv.exe
    1⤵
    • Executes dropped EXE
    PID:3472
  • C:\Users\Admin\AppData\Local\Temp\xpgtlyteqkzohplv.exe
    C:\Users\Admin\AppData\Local\Temp\xpgtlyteqkzohplv.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1616
  • C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    1⤵
      PID:1948
    • C:\Users\Admin\AppData\Local\Temp\axtliaaqhgausfgvsyolh.exe
      C:\Users\Admin\AppData\Local\Temp\axtliaaqhgausfgvsyolh.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1784
    • C:\Users\Admin\AppData\Local\Temp\lhctpgfukiburddrnshd.exe
      C:\Users\Admin\AppData\Local\Temp\lhctpgfukiburddrnshd.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1012
    • C:\Users\Admin\AppData\Local\Temp\nhapjyviwsjavfdpjm.exe
      C:\Users\Admin\AppData\Local\Temp\nhapjyviwsjavfdpjm.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4468
    • C:\Windows\axtliaaqhgausfgvsyolh.exe
      axtliaaqhgausfgvsyolh.exe .
      1⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3184
      • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
        "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\axtliaaqhgausfgvsyolh.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:4264
    • C:\Windows\lhctpgfukiburddrnshd.exe
      lhctpgfukiburddrnshd.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1900
    • C:\Windows\lhctpgfukiburddrnshd.exe
      lhctpgfukiburddrnshd.exe .
      1⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:204
      • C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
        "C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe" "c:\windows\lhctpgfukiburddrnshd.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:3256

    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

          Query Registry

          1
          T1012

          System Information Discovery

          3
          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

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          Downloads

          ahnpwyiijswaifqpwmmtzbikuuv.imu
          • Path C:\Program Files (x86)\ahnpwyiijswaifqpwmmtzbikuuv.imu
          • Size 280B
          • SHA256 0bf5090cd8b60cbd680335a9e7f6695080784572d2bb0a6937bda85cbe227018
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          ahnpwyiijswaifqpwmmtzbikuuv.imu
          • Path C:\Program Files (x86)\ahnpwyiijswaifqpwmmtzbikuuv.imu
          • Size 280B
          • SHA256 1a26c5174325ddfb74f70bbd51e115274a51d6addce0b6becb126a944291973d
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          ahnpwyiijswaifqpwmmtzbikuuv.imu
          • Path C:\Program Files (x86)\ahnpwyiijswaifqpwmmtzbikuuv.imu
          • Size 280B
          • SHA256 7e7fd78fdc709ed09436170d9a63c05d75088ad98f47b5c34909678e9d8ccc96
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          qaorinawaky.exe
          • Path C:\Users\Admin\AppData\Local\Temp\qaorinawaky.exe
          • Size 320KB
          • SHA256 49e6398e13c6e745a5180f2145b8a8a84dcbd73b565e589aeb0d3674cee47cb2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          yhptcgs.exe
          • Path C:\Users\Admin\AppData\Local\Temp\yhptcgs.exe
          • Size 724KB
          • SHA256 ddf421243560007abbed8b25bc61706cf23757b6cbfed445a8b130eb5f39cfa0
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ahnpwyiijswaifqpwmmtzbikuuv.imu
          • Path C:\Users\Admin\AppData\Local\ahnpwyiijswaifqpwmmtzbikuuv.imu
          • Size 280B
          • SHA256 ae7535f3ae215d8b570aa60a7e6447454c43fd5c382bb450ab86b2476635c270
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          ahnpwyiijswaifqpwmmtzbikuuv.imu
          • Path C:\Users\Admin\AppData\Local\ahnpwyiijswaifqpwmmtzbikuuv.imu
          • Size 280B
          • SHA256 a37a8b1eafd2c13118e0fdfa9b935fdd6869035e834cf0cddc668831d59dc6b3
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          xpgtlyteqkzohplvnozrivnavgsmbqjrnxpqbt.xpc
          • Path C:\Users\Admin\AppData\Local\xpgtlyteqkzohplvnozrivnavgsmbqjrnxpqbt.xpc
          • Size 4KB
          • SHA256 045c93364c7939d19230f38c197768e34d71a8663cc8387a9e786a1c1eea65c4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          nhapjyviwsjavfdpjm.exe
          • Path C:\Windows\SysWOW64\nhapjyviwsjavfdpjm.exe
          • Size 1016KB
          • SHA256 1adfe64c20a9e0ec8625ef833b81288dbb1af3ebe44bf10903a87b372937d2e5
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download