Malware Analysis Report

2024-11-13 18:00

Sample ID 241110-by1b2swkby
Target 448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc
SHA256 448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc
Tags
gh0strat purplefox discovery persistence rat rootkit trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc

Threat Level: Known bad

The file 448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc was found to be: Known bad.

Malicious Activity Summary

gh0strat purplefox discovery persistence rat rootkit trojan upx

Purplefox family

Detect PurpleFox Rootkit

Gh0st RAT payload

Gh0strat

PurpleFox

Gh0strat family

Drops file in Drivers directory

Sets service image path in registry

Deletes itself

Loads dropped DLL

Executes dropped EXE

Enumerates connected drives

Drops file in System32 directory

UPX packed file

Unsigned PE

System Network Configuration Discovery: Internet Connection Discovery

System Location Discovery: System Language Discovery

Modifies data under HKEY_USERS

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Runs ping.exe

Suspicious behavior: LoadsDriver

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:33

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:33

Reported

2024-11-10 01:36

Platform

win7-20240903-en

Max time kernel

141s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe"

Signatures

Detect PurpleFox Rootkit

rootkit
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
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N/A N/A N/A N/A
N/A N/A N/A N/A

Gh0strat

rat gh0strat

Gh0strat family

gh0strat

PurpleFox

rootkit trojan purplefox

Purplefox family

purplefox

Drops file in Drivers directory

Description Indicator Process Target
File created C:\Windows\system32\drivers\QAssist.sys C:\Windows\SysWOW64\Skcsk.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" C:\Windows\SysWOW64\Skcsk.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\O: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\U: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\W: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\R: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\T: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\Y: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\B: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\J: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\M: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\P: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\Q: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\Z: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\G: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\H: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\K: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\N: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\S: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\E: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\I: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\L: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\V: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\X: C:\Windows\SysWOW64\Skcsk.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\Skcsk.exe C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe N/A
File opened for modification C:\Windows\SysWOW64\Skcsk.exe C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\Skcsk.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\Skcsk.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\SysWOW64\Skcsk.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\SysWOW64\Skcsk.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\Skcsk.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\Skcsk.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum C:\Windows\SysWOW64\Skcsk.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum C:\Windows\SysWOW64\Skcsk.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7" C:\Windows\SysWOW64\Skcsk.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\Skcsk.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\Skcsk.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\Skcsk.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\Skcsk.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software C:\Windows\SysWOW64\Skcsk.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft C:\Windows\SysWOW64\Skcsk.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie C:\Windows\SysWOW64\Skcsk.exe N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious behavior: LoadsDriver

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\Skcsk.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\Skcsk.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\Skcsk.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\Skcsk.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\Skcsk.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 320 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe C:\Windows\SysWOW64\cmd.exe
PID 320 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe C:\Windows\SysWOW64\cmd.exe
PID 320 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe C:\Windows\SysWOW64\cmd.exe
PID 320 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe C:\Windows\SysWOW64\cmd.exe
PID 2280 wrote to memory of 2860 N/A C:\Windows\SysWOW64\Skcsk.exe C:\Windows\SysWOW64\Skcsk.exe
PID 2280 wrote to memory of 2860 N/A C:\Windows\SysWOW64\Skcsk.exe C:\Windows\SysWOW64\Skcsk.exe
PID 2280 wrote to memory of 2860 N/A C:\Windows\SysWOW64\Skcsk.exe C:\Windows\SysWOW64\Skcsk.exe
PID 2280 wrote to memory of 2860 N/A C:\Windows\SysWOW64\Skcsk.exe C:\Windows\SysWOW64\Skcsk.exe
PID 2916 wrote to memory of 2748 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2916 wrote to memory of 2748 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2916 wrote to memory of 2748 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2916 wrote to memory of 2748 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe

"C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe"

C:\Windows\SysWOW64\Skcsk.exe

C:\Windows\SysWOW64\Skcsk.exe -auto

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\448AC1~1.EXE > nul

C:\Windows\SysWOW64\Skcsk.exe

C:\Windows\SysWOW64\Skcsk.exe -acsi

C:\Windows\SysWOW64\PING.EXE

ping -n 2 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 361.ydns.eu udp
HK 38.6.164.18:8089 361.ydns.eu tcp

Files

memory/320-0-0x0000000000400000-0x0000000000585000-memory.dmp

memory/320-1-0x0000000010000000-0x000000001019F000-memory.dmp

C:\Windows\SysWOW64\Skcsk.exe

MD5 8196cf14ee314b1d1336088d3b86008d
SHA1 b1e9ed7ade4acfbe1ea71ae9ac7509911829a5bd
SHA256 448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc
SHA512 84dfced1f5038a673e06988d933446fc4b67577fbb30d16b0be6f66558d0c8d9433c41d70c321f75072e00f498fd9e8b001e0902085b6baf1059d32c68c99a06

memory/320-19-0x0000000000400000-0x0000000000585000-memory.dmp

memory/2280-26-0x0000000000400000-0x0000000000585000-memory.dmp

memory/2860-30-0x0000000000400000-0x0000000000585000-memory.dmp

memory/2280-20-0x0000000001160000-0x00000000012E5000-memory.dmp

memory/2860-41-0x0000000000400000-0x0000000000585000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 01:33

Reported

2024-11-10 01:36

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe"

Signatures

Detect PurpleFox Rootkit

rootkit
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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N/A N/A N/A N/A

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
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N/A N/A N/A N/A

Gh0strat

rat gh0strat

Gh0strat family

gh0strat

PurpleFox

rootkit trojan purplefox

Purplefox family

purplefox

Drops file in Drivers directory

Description Indicator Process Target
File created C:\Windows\system32\drivers\QAssist.sys C:\Windows\SysWOW64\Skcsk.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" C:\Windows\SysWOW64\Skcsk.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\E: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\L: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\P: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\W: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\Y: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\J: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\M: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\S: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\X: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\H: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\I: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\K: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\N: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\O: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\Q: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\R: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\T: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\U: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\Z: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\B: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\G: C:\Windows\SysWOW64\Skcsk.exe N/A
File opened (read-only) \??\V: C:\Windows\SysWOW64\Skcsk.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\Skcsk.exe C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe N/A
File opened for modification C:\Windows\SysWOW64\Skcsk.exe C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\Skcsk.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\Skcsk.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\SysWOW64\Skcsk.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\SysWOW64\Skcsk.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software C:\Windows\SysWOW64\Skcsk.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft C:\Windows\SysWOW64\Skcsk.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie C:\Windows\SysWOW64\Skcsk.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" C:\Windows\SysWOW64\Skcsk.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum C:\Windows\SysWOW64\Skcsk.exe N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A

Suspicious behavior: LoadsDriver

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\Skcsk.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\Skcsk.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\Skcsk.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\Skcsk.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\Skcsk.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\Skcsk.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe

"C:\Users\Admin\AppData\Local\Temp\448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc.exe"

C:\Windows\SysWOW64\Skcsk.exe

C:\Windows\SysWOW64\Skcsk.exe -auto

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\448AC1~1.EXE > nul

C:\Windows\SysWOW64\Skcsk.exe

C:\Windows\SysWOW64\Skcsk.exe -acsi

C:\Windows\SysWOW64\PING.EXE

ping -n 2 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 361.ydns.eu udp
HK 38.6.164.18:8089 361.ydns.eu tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 18.164.6.38.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.16.208.104.in-addr.arpa udp

Files

memory/716-0-0x0000000000400000-0x0000000000585000-memory.dmp

memory/716-1-0x0000000010000000-0x000000001019F000-memory.dmp

C:\Windows\SysWOW64\Skcsk.exe

MD5 8196cf14ee314b1d1336088d3b86008d
SHA1 b1e9ed7ade4acfbe1ea71ae9ac7509911829a5bd
SHA256 448ac1bbd6429b9ab00d17b6fc3367a28eb9eafb96a1240c4a6682fc72d715fc
SHA512 84dfced1f5038a673e06988d933446fc4b67577fbb30d16b0be6f66558d0c8d9433c41d70c321f75072e00f498fd9e8b001e0902085b6baf1059d32c68c99a06

memory/4344-11-0x0000000010000000-0x000000001019F000-memory.dmp

memory/1604-20-0x0000000000400000-0x0000000000585000-memory.dmp

memory/4344-22-0x0000000000400000-0x0000000000585000-memory.dmp

memory/1604-23-0x0000000010000000-0x000000001019F000-memory.dmp

memory/716-19-0x0000000000400000-0x0000000000585000-memory.dmp

memory/1604-39-0x0000000000400000-0x0000000000585000-memory.dmp