Malware Analysis Report

2024-12-07 14:03

Sample ID 241117-kvvrtsvqgw
Target fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd
SHA256 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd
Tags
gh0strat purplefox bootkit 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

fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd

Threat Level: Known bad

The file fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd was found to be: Known bad.

Malicious Activity Summary

gh0strat purplefox bootkit discovery persistence rat rootkit trojan upx

Gh0strat family

PurpleFox

Purplefox family

Detect PurpleFox Rootkit

Gh0st RAT payload

Gh0strat

Drops file in Drivers directory

Sets service image path in registry

Server Software Component: Terminal Services DLL

Loads dropped DLL

Executes dropped EXE

Writes to the Master Boot Record (MBR)

Drops file in System32 directory

UPX packed file

Drops file in Program Files directory

Program crash

System Network Configuration Discovery: Internet Connection Discovery

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Modifies data under HKEY_USERS

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

Suspicious behavior: LoadsDriver

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-17 08:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-17 08:55

Reported

2024-11-17 08:55

Platform

win7-20240903-en

Max time kernel

7s

Max time network

7s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe"

Signatures

Detect PurpleFox Rootkit

rootkit
Description Indicator Process Target
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Gh0st RAT payload

Description Indicator Process Target
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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\TXPlatforn.exe N/A

Server Software Component: Terminal Services DLL

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259454919.txt" C:\Users\Admin\AppData\Local\Temp\svchos.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\TXPlatforn.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\physicaldrive0 C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe C:\Windows\SysWOW64\svchost.exe N/A
File created C:\Windows\SysWOW64\TXPlatforn.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
File created C:\Windows\SysWOW64\259454919.txt C:\Users\Admin\AppData\Local\Temp\svchos.exe N/A
File opened for modification C:\Windows\SysWOW64\ini.ini C:\Users\Admin\AppData\Local\Temp\svchos.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe N/A
File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe N/A
File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe N/A
File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe N/A

Enumerates physical storage devices

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\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\svchos.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\TXPlatforn.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.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

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:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe N/A

Suspicious behavior: LoadsDriver

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\TXPlatforn.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2424 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2424 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2424 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2424 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2424 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2424 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2424 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2244 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2244 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2244 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2244 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2800 wrote to memory of 2944 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 2800 wrote to memory of 2944 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 2800 wrote to memory of 2944 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 2800 wrote to memory of 2944 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 2800 wrote to memory of 2944 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 2800 wrote to memory of 2944 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 2800 wrote to memory of 2944 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 2424 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 2424 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 2424 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 2424 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 2688 wrote to memory of 2844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2688 wrote to memory of 2844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2688 wrote to memory of 2844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2688 wrote to memory of 2844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2424 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
PID 2424 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
PID 2424 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
PID 2424 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
PID 1952 wrote to memory of 2976 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 1952 wrote to memory of 2976 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 1952 wrote to memory of 2976 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 1952 wrote to memory of 2976 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe

"C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe"

C:\Users\Admin\AppData\Local\Temp\svchost.exe

C:\Users\Admin\AppData\Local\Temp\\svchost.exe

C:\Windows\SysWOW64\TXPlatforn.exe

C:\Windows\SysWOW64\TXPlatforn.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\svchost.exe > nul

C:\Windows\SysWOW64\TXPlatforn.exe

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

C:\Users\Admin\AppData\Local\Temp\svchos.exe

C:\Users\Admin\AppData\Local\Temp\\svchos.exe

C:\Windows\SysWOW64\PING.EXE

ping -n 2 127.0.0.1

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"

C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe

C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe

C:\Windows\system32\LogonUI.exe

"LogonUI.exe" /flags:0x0

C:\Windows\SysWOW64\TXPlatforn.exe

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

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259454919.txt",MainThread

C:\Windows\system32\LogonUI.exe

"LogonUI.exe" /flags:0x1

Network

Country Destination Domain Proto
US 8.8.8.8:53 hackerinvasion.f3322.net udp

Files

\Users\Admin\AppData\Local\Temp\svchost.exe

MD5 a4329177954d4104005bce3020e5ef59
SHA1 23c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA256 6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
SHA512 81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

memory/2244-5-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2244-8-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2244-12-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2244-7-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2800-18-0x0000000010000000-0x00000000101B6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\svchos.exe

MD5 3b377ad877a942ec9f60ea285f7119a2
SHA1 60b23987b20d913982f723ab375eef50fafa6c70
SHA256 62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
SHA512 af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

memory/2944-38-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2944-35-0x0000000010000000-0x00000000101B6000-memory.dmp

\Windows\SysWOW64\259454919.txt

MD5 5fbcc30e98caae554c19834c3527daca
SHA1 65bb1f537221081dc46d4a97b9209022b5606d57
SHA256 8120f837c356f090c9e25f9ed2753ad699416af715f22a52094fc52e8a9f0bc0
SHA512 71caa719297311f48bb73a29630a60cf9e2815c3deacb969a67ca129cf59d5af61d5e0391526387697b40553174c8558d649e977d4c9bcddb6feb6a2ec15d25a

memory/2800-32-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2944-40-0x0000000010000000-0x00000000101B6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe

MD5 a027b7050802b9d8b28449ace820e89d
SHA1 44f5f786f31473289ef61aacde95b347bcaf927d
SHA256 7b1584a518f1ee692fb2fdb96634744b4b919eda1599594df93e6a7db33c6cde
SHA512 40252ffd225203737ee819fdae3f84bc14c8bcfb79c7ea87660e98ff2821c27e262f75d9ac512fdd8db7952f9a857f649b1872d1b962b27bb417369f0121367c

memory/2424-54-0x0000000002D50000-0x0000000003029000-memory.dmp

memory/2424-55-0x0000000002D50000-0x0000000003029000-memory.dmp

memory/2904-58-0x0000000000400000-0x00000000006D9000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

MD5 7823e8eb618e981b8c1965e169a2de5f
SHA1 a0e6b32d7c70a670fa85de292c44edb12cf15071
SHA256 efb35ec1e073aa02aa87ee6e5ec8730d5ecf75576ab86c3ebb858dce986b385a
SHA512 127f8be7131e245bc469ad6f5be23242723b001bdedc271ee6573ba97841ef3687f835a390aef47b66c04a2053d5b9ddcd42df63418bdf54dd3f69ae72ff7b81

C:\Users\Admin\AppData\Local\Temp\X.ico

MD5 fb44f7af2882d222b600539171f54c1d
SHA1 0c5a1a0b1620a55a0f194464227be25a2f0347e1
SHA256 f2a78e76259bc8fd4ab6af7b4e16dfb49a10643308aca3d14c09e61ac0ebd487
SHA512 21e906473f64303c4c8d55213ccb84f4a803c11fb5eef34ce3194adfb391ccbcc91e7c399556c7a4e4f3d33b9b19524d4499ec771ee8e1a10df26ea7cc2dcb67

memory/2904-61-0x0000000000400000-0x00000000006D9000-memory.dmp

\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

MD5 51138beea3e2c21ec44d0932c71762a8
SHA1 8939cf35447b22dd2c6e6f443446acc1bf986d58
SHA256 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-17 08:55

Reported

2024-11-17 08:56

Platform

win10v2004-20241007-en

Max time kernel

8s

Max time network

9s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe"

Signatures

Detect PurpleFox Rootkit

rootkit
Description Indicator Process Target
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Gh0st RAT payload

Description Indicator Process Target
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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\TXPlatforn.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\TXPlatforn.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\svchos.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\physicaldrive0 C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\TXPlatforn.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
File created C:\Windows\SysWOW64\240625609.txt C:\Users\Admin\AppData\Local\Temp\svchos.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe N/A

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\TXPlatforn.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\svchos.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

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" C:\Windows\system32\LogonUI.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "64" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History C:\Windows\system32\LogonUI.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\TXPlatforn.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\TXPlatforn.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1848 wrote to memory of 3860 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1848 wrote to memory of 3860 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1848 wrote to memory of 3860 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 3860 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 3860 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 3860 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 3936 wrote to memory of 1796 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 3936 wrote to memory of 1796 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 3936 wrote to memory of 1796 N/A C:\Windows\SysWOW64\TXPlatforn.exe C:\Windows\SysWOW64\TXPlatforn.exe
PID 1848 wrote to memory of 1060 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 1848 wrote to memory of 1060 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 1848 wrote to memory of 1060 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\svchos.exe
PID 1948 wrote to memory of 640 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1948 wrote to memory of 640 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1948 wrote to memory of 640 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1848 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
PID 1848 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
PID 1848 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe

"C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe"

C:\Users\Admin\AppData\Local\Temp\svchost.exe

C:\Users\Admin\AppData\Local\Temp\\svchost.exe

C:\Windows\SysWOW64\TXPlatforn.exe

C:\Windows\SysWOW64\TXPlatforn.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\svchost.exe > nul

C:\Windows\SysWOW64\TXPlatforn.exe

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

C:\Users\Admin\AppData\Local\Temp\svchos.exe

C:\Users\Admin\AppData\Local\Temp\\svchos.exe

C:\Windows\SysWOW64\PING.EXE

ping -n 2 127.0.0.1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1060 -ip 1060

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 452

C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe

C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe

C:\Windows\system32\LogonUI.exe

"LogonUI.exe" /flags:0x4 /state0:0xa3927855 /state1:0x41c64e6d

C:\Windows\SysWOW64\TXPlatforn.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 udp
N/A 20.189.173.4:443 tcp
US 8.8.8.8:53 udp

Files

C:\Users\Admin\AppData\Local\Temp\svchost.exe

MD5 a4329177954d4104005bce3020e5ef59
SHA1 23c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA256 6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
SHA512 81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

memory/3860-4-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/3860-6-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/3860-10-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/3860-7-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/3936-13-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/3936-15-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/3936-16-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/3936-28-0x0000000010000000-0x00000000101B6000-memory.dmp

C:\Windows\SysWOW64\240625609.txt

MD5 5fbcc30e98caae554c19834c3527daca
SHA1 65bb1f537221081dc46d4a97b9209022b5606d57
SHA256 8120f837c356f090c9e25f9ed2753ad699416af715f22a52094fc52e8a9f0bc0
SHA512 71caa719297311f48bb73a29630a60cf9e2815c3deacb969a67ca129cf59d5af61d5e0391526387697b40553174c8558d649e977d4c9bcddb6feb6a2ec15d25a

C:\Users\Admin\AppData\Local\Temp\svchos.exe

MD5 3b377ad877a942ec9f60ea285f7119a2
SHA1 60b23987b20d913982f723ab375eef50fafa6c70
SHA256 62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
SHA512 af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

memory/1796-24-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/3936-23-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1796-33-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1796-37-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1796-38-0x0000000010000000-0x00000000101B6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe

MD5 a027b7050802b9d8b28449ace820e89d
SHA1 44f5f786f31473289ef61aacde95b347bcaf927d
SHA256 7b1584a518f1ee692fb2fdb96634744b4b919eda1599594df93e6a7db33c6cde
SHA512 40252ffd225203737ee819fdae3f84bc14c8bcfb79c7ea87660e98ff2821c27e262f75d9ac512fdd8db7952f9a857f649b1872d1b962b27bb417369f0121367c

memory/5040-44-0x0000000000400000-0x00000000006D9000-memory.dmp

memory/5040-48-0x0000000000400000-0x00000000006D9000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

MD5 7823e8eb618e981b8c1965e169a2de5f
SHA1 a0e6b32d7c70a670fa85de292c44edb12cf15071
SHA256 efb35ec1e073aa02aa87ee6e5ec8730d5ecf75576ab86c3ebb858dce986b385a
SHA512 127f8be7131e245bc469ad6f5be23242723b001bdedc271ee6573ba97841ef3687f835a390aef47b66c04a2053d5b9ddcd42df63418bdf54dd3f69ae72ff7b81