Malware Analysis Report

2025-08-05 12:42

Sample ID 230829-xdfmsseg53
Target 90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee
SHA256 90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee
Tags
gh0strat purplefox 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

90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee

Threat Level: Known bad

The file 90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee was found to be: Known bad.

Malicious Activity Summary

gh0strat purplefox persistence rat rootkit trojan upx

Gh0st RAT payload

Detect PurpleFox Rootkit

PurpleFox

Gh0strat

Drops file in Drivers directory

Sets service image path in registry

Sets DLL path for service in the registry

UPX packed file

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Drops file in Program Files directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

Suspicious behavior: LoadsDriver

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-08-29 18:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-29 18:44

Reported

2023-08-29 18:46

Platform

win7-20230712-en

Max time kernel

150s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.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
N/A N/A N/A N/A
N/A N/A N/A N/A
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
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
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

Gh0strat

rat gh0strat

PurpleFox

rootkit trojan purplefox

Drops file in Drivers directory

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

Sets DLL path for service in the registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259437384.txt" C:\Users\Admin\AppData\Local\Temp\R.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\TXPlatfor.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
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

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\TXPlatfor.exe C:\Users\Admin\AppData\Local\Temp\N.exe N/A
File opened for modification C:\Windows\SysWOW64\TXPlatfor.exe C:\Users\Admin\AppData\Local\Temp\N.exe N/A
File created C:\Windows\SysWOW64\259437384.txt C:\Users\Admin\AppData\Local\Temp\R.exe N/A
File opened for modification C:\Windows\SysWOW64\ini.ini C:\Users\Admin\AppData\Local\Temp\R.exe N/A
File created C:\Windows\SysWOW64\Remote Data.exe C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\Remote Data.exe C:\Windows\SysWOW64\svchost.exe N/A

Enumerates physical storage devices

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\TXPlatfor.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2296 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\R.exe
PID 2296 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\R.exe
PID 2296 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\R.exe
PID 2296 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\R.exe
PID 2296 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\N.exe
PID 2296 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\N.exe
PID 2296 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\N.exe
PID 2296 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\N.exe
PID 2296 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\N.exe
PID 2296 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\N.exe
PID 2296 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\N.exe
PID 2360 wrote to memory of 2128 N/A C:\Windows\SysWOW64\TXPlatfor.exe C:\Windows\SysWOW64\TXPlatfor.exe
PID 2360 wrote to memory of 2128 N/A C:\Windows\SysWOW64\TXPlatfor.exe C:\Windows\SysWOW64\TXPlatfor.exe
PID 2360 wrote to memory of 2128 N/A C:\Windows\SysWOW64\TXPlatfor.exe C:\Windows\SysWOW64\TXPlatfor.exe
PID 2360 wrote to memory of 2128 N/A C:\Windows\SysWOW64\TXPlatfor.exe C:\Windows\SysWOW64\TXPlatfor.exe
PID 2360 wrote to memory of 2128 N/A C:\Windows\SysWOW64\TXPlatfor.exe C:\Windows\SysWOW64\TXPlatfor.exe
PID 2360 wrote to memory of 2128 N/A C:\Windows\SysWOW64\TXPlatfor.exe C:\Windows\SysWOW64\TXPlatfor.exe
PID 2360 wrote to memory of 2128 N/A C:\Windows\SysWOW64\TXPlatfor.exe C:\Windows\SysWOW64\TXPlatfor.exe
PID 1392 wrote to memory of 2268 N/A C:\Users\Admin\AppData\Local\Temp\N.exe C:\Windows\SysWOW64\cmd.exe
PID 1392 wrote to memory of 2268 N/A C:\Users\Admin\AppData\Local\Temp\N.exe C:\Windows\SysWOW64\cmd.exe
PID 1392 wrote to memory of 2268 N/A C:\Users\Admin\AppData\Local\Temp\N.exe C:\Windows\SysWOW64\cmd.exe
PID 1392 wrote to memory of 2268 N/A C:\Users\Admin\AppData\Local\Temp\N.exe C:\Windows\SysWOW64\cmd.exe
PID 2268 wrote to memory of 2872 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2268 wrote to memory of 2872 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2268 wrote to memory of 2872 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2268 wrote to memory of 2872 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2148 wrote to memory of 2948 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Remote Data.exe
PID 2148 wrote to memory of 2948 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Remote Data.exe
PID 2148 wrote to memory of 2948 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Remote Data.exe
PID 2148 wrote to memory of 2948 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Remote Data.exe

Processes

C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe

"C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe"

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

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

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k "Remote Data"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k "Remote Data"

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

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

C:\Windows\SysWOW64\TXPlatfor.exe

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

C:\Windows\SysWOW64\TXPlatfor.exe

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

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\N.exe > nul

C:\Windows\SysWOW64\PING.EXE

ping -n 2 127.0.0.1

C:\Windows\SysWOW64\Remote Data.exe

"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259437384.txt",MainThread

Network

Country Destination Domain Proto
US 8.8.8.8:53 hackerinvasion.f3322.net udp
N/A 127.0.0.1:9090 tcp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:9090 tcp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:8089 tcp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:9090 tcp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:9090 tcp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:8089 tcp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:9090 tcp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:8089 tcp

Files

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

MD5 8dc3adf1c490211971c1e2325f1424d2
SHA1 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
SHA512 ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

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

MD5 8dc3adf1c490211971c1e2325f1424d2
SHA1 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
SHA512 ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

\Windows\SysWOW64\259437384.txt

MD5 190854ad456a659360fc30359f04dc46
SHA1 8196487ba2e2cb7be7c3022c765f091b76188f63
SHA256 c51580f93d3a8964237f448b33aae33ba078e1bfb1502dd381c06185190e7dff
SHA512 d67d474b9ce2bee1c74085e70936652382d8b2520735b138f14f7483f24d1255e0e7c49f37e711c4144e8aa79ee7b876d945ea9e315f068f2860ea210919f9e7

\Windows\SysWOW64\259437384.txt

MD5 190854ad456a659360fc30359f04dc46
SHA1 8196487ba2e2cb7be7c3022c765f091b76188f63
SHA256 c51580f93d3a8964237f448b33aae33ba078e1bfb1502dd381c06185190e7dff
SHA512 d67d474b9ce2bee1c74085e70936652382d8b2520735b138f14f7483f24d1255e0e7c49f37e711c4144e8aa79ee7b876d945ea9e315f068f2860ea210919f9e7

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

MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

\??\c:\windows\SysWOW64\259437384.txt

MD5 190854ad456a659360fc30359f04dc46
SHA1 8196487ba2e2cb7be7c3022c765f091b76188f63
SHA256 c51580f93d3a8964237f448b33aae33ba078e1bfb1502dd381c06185190e7dff
SHA512 d67d474b9ce2bee1c74085e70936652382d8b2520735b138f14f7483f24d1255e0e7c49f37e711c4144e8aa79ee7b876d945ea9e315f068f2860ea210919f9e7

memory/1392-18-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1392-20-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1392-22-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1392-21-0x0000000010000000-0x00000000101B6000-memory.dmp

C:\Windows\SysWOW64\TXPlatfor.exe

MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

C:\Windows\SysWOW64\TXPlatfor.exe

MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

memory/2360-30-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/1392-35-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2360-37-0x0000000010000000-0x00000000101B6000-memory.dmp

C:\Windows\SysWOW64\TXPlatfor.exe

MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

\Windows\SysWOW64\TXPlatfor.exe

MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

memory/2128-44-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2128-42-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/2128-47-0x0000000010000000-0x00000000101B6000-memory.dmp

\Windows\SysWOW64\Remote Data.exe

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

C:\Windows\SysWOW64\Remote Data.exe

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

\Windows\SysWOW64\259437384.txt

MD5 190854ad456a659360fc30359f04dc46
SHA1 8196487ba2e2cb7be7c3022c765f091b76188f63
SHA256 c51580f93d3a8964237f448b33aae33ba078e1bfb1502dd381c06185190e7dff
SHA512 d67d474b9ce2bee1c74085e70936652382d8b2520735b138f14f7483f24d1255e0e7c49f37e711c4144e8aa79ee7b876d945ea9e315f068f2860ea210919f9e7

C:\Windows\SysWOW64\Remote Data.exe

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

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

MD5 6ba717ee2818bc709ca2bb81566f0d7d
SHA1 016c53a7a5650727436540f19136d31defb76db7
SHA256 90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee
SHA512 c17aba49048e0683e57c8b9c4305f38599e1f8a2ed8244fcdc6abd25b4cef27d1af155d13597947fbd2f82a6db2460054b16cf8735312b2efce6575275e7016c

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-29 18:44

Reported

2023-08-29 18:46

Platform

win10v2004-20230703-en

Max time kernel

151s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.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
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

Gh0st RAT payload

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
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
N/A N/A N/A N/A
N/A N/A N/A N/A

Gh0strat

rat gh0strat

PurpleFox

rootkit trojan purplefox

Drops file in Drivers directory

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

Sets DLL path for service in the registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240642609.txt" C:\Users\Admin\AppData\Local\Temp\R.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\TXPlatfor.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\R.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\Remote Data.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
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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Remote Data.exe C:\Windows\SysWOW64\svchost.exe N/A
File created C:\Windows\SysWOW64\TXPlatfor.exe C:\Users\Admin\AppData\Local\Temp\N.exe N/A
File opened for modification C:\Windows\SysWOW64\TXPlatfor.exe C:\Users\Admin\AppData\Local\Temp\N.exe N/A
File created C:\Windows\SysWOW64\240642609.txt C:\Users\Admin\AppData\Local\Temp\R.exe N/A
File opened for modification C:\Windows\SysWOW64\ini.ini C:\Users\Admin\AppData\Local\Temp\R.exe N/A
File created C:\Windows\SysWOW64\Remote Data.exe C:\Windows\SysWOW64\svchost.exe N/A

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\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe N/A

Enumerates physical storage devices

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\TXPlatfor.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1532 wrote to memory of 4708 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\R.exe
PID 1532 wrote to memory of 4708 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\R.exe
PID 1532 wrote to memory of 4708 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\R.exe
PID 1532 wrote to memory of 540 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\N.exe
PID 1532 wrote to memory of 540 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\N.exe
PID 1532 wrote to memory of 540 N/A C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe C:\Users\Admin\AppData\Local\Temp\N.exe
PID 4728 wrote to memory of 936 N/A C:\Windows\SysWOW64\TXPlatfor.exe C:\Windows\SysWOW64\TXPlatfor.exe
PID 4728 wrote to memory of 936 N/A C:\Windows\SysWOW64\TXPlatfor.exe C:\Windows\SysWOW64\TXPlatfor.exe
PID 4728 wrote to memory of 936 N/A C:\Windows\SysWOW64\TXPlatfor.exe C:\Windows\SysWOW64\TXPlatfor.exe
PID 540 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\N.exe C:\Windows\SysWOW64\cmd.exe
PID 540 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\N.exe C:\Windows\SysWOW64\cmd.exe
PID 540 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\N.exe C:\Windows\SysWOW64\cmd.exe
PID 2716 wrote to memory of 1860 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2716 wrote to memory of 1860 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2716 wrote to memory of 1860 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2084 wrote to memory of 3336 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Remote Data.exe
PID 2084 wrote to memory of 3336 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Remote Data.exe
PID 2084 wrote to memory of 3336 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\Remote Data.exe

Processes

C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe

"C:\Users\Admin\AppData\Local\Temp\90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee.exe"

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

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

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k "Remote Data"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k "Remote Data"

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

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

C:\Windows\SysWOW64\TXPlatfor.exe

C:\Windows\SysWOW64\TXPlatfor.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\N.exe > nul

C:\Windows\SysWOW64\TXPlatfor.exe

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

C:\Windows\SysWOW64\PING.EXE

ping -n 2 127.0.0.1

C:\Windows\SysWOW64\Remote Data.exe

"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240642609.txt",MainThread

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
N/A 127.0.0.1:9090 tcp
N/A 127.0.0.1:8089 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:8089 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:9090 tcp
N/A 127.0.0.1:8089 tcp
US 8.8.8.8:53 126.178.238.8.in-addr.arpa udp
N/A 127.0.0.1:8089 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
N/A 127.0.0.1:9090 tcp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:9090 tcp
N/A 127.0.0.1:8089 tcp
US 8.8.8.8:53 89.16.208.104.in-addr.arpa udp
N/A 127.0.0.1:8089 tcp
US 8.8.8.8:53 hackerinvasion.f3322.net udp
N/A 127.0.0.1:8089 tcp
N/A 127.0.0.1:9090 tcp
N/A 127.0.0.1:8089 tcp

Files

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

MD5 8dc3adf1c490211971c1e2325f1424d2
SHA1 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
SHA512 ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

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

MD5 8dc3adf1c490211971c1e2325f1424d2
SHA1 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
SHA512 ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

C:\Windows\SysWOW64\240642609.txt

MD5 190854ad456a659360fc30359f04dc46
SHA1 8196487ba2e2cb7be7c3022c765f091b76188f63
SHA256 c51580f93d3a8964237f448b33aae33ba078e1bfb1502dd381c06185190e7dff
SHA512 d67d474b9ce2bee1c74085e70936652382d8b2520735b138f14f7483f24d1255e0e7c49f37e711c4144e8aa79ee7b876d945ea9e315f068f2860ea210919f9e7

\??\c:\windows\SysWOW64\240642609.txt

MD5 190854ad456a659360fc30359f04dc46
SHA1 8196487ba2e2cb7be7c3022c765f091b76188f63
SHA256 c51580f93d3a8964237f448b33aae33ba078e1bfb1502dd381c06185190e7dff
SHA512 d67d474b9ce2bee1c74085e70936652382d8b2520735b138f14f7483f24d1255e0e7c49f37e711c4144e8aa79ee7b876d945ea9e315f068f2860ea210919f9e7

C:\Windows\SysWOW64\240642609.txt

MD5 190854ad456a659360fc30359f04dc46
SHA1 8196487ba2e2cb7be7c3022c765f091b76188f63
SHA256 c51580f93d3a8964237f448b33aae33ba078e1bfb1502dd381c06185190e7dff
SHA512 d67d474b9ce2bee1c74085e70936652382d8b2520735b138f14f7483f24d1255e0e7c49f37e711c4144e8aa79ee7b876d945ea9e315f068f2860ea210919f9e7

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

MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

memory/540-17-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/540-20-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/540-21-0x0000000010000000-0x00000000101B6000-memory.dmp

C:\Windows\SysWOW64\TXPlatfor.exe

MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

C:\Windows\SysWOW64\TXPlatfor.exe

MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

memory/4728-26-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/4728-28-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/4728-30-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/4728-29-0x0000000010000000-0x00000000101B6000-memory.dmp

C:\Windows\SysWOW64\TXPlatfor.exe

MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

memory/540-33-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/4728-34-0x0000000010000000-0x00000000101B6000-memory.dmp

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

MD5 6ba717ee2818bc709ca2bb81566f0d7d
SHA1 016c53a7a5650727436540f19136d31defb76db7
SHA256 90fc4172e4ca441aa7b7d2f6ed1875122d9d501b5108ccb8444237525e3733ee
SHA512 c17aba49048e0683e57c8b9c4305f38599e1f8a2ed8244fcdc6abd25b4cef27d1af155d13597947fbd2f82a6db2460054b16cf8735312b2efce6575275e7016c

memory/936-52-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/936-54-0x0000000010000000-0x00000000101B6000-memory.dmp

memory/936-57-0x0000000010000000-0x00000000101B6000-memory.dmp

C:\Windows\SysWOW64\Remote Data.exe

MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

C:\Windows\SysWOW64\Remote Data.exe

MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

C:\Windows\SysWOW64\240642609.txt

MD5 190854ad456a659360fc30359f04dc46
SHA1 8196487ba2e2cb7be7c3022c765f091b76188f63
SHA256 c51580f93d3a8964237f448b33aae33ba078e1bfb1502dd381c06185190e7dff
SHA512 d67d474b9ce2bee1c74085e70936652382d8b2520735b138f14f7483f24d1255e0e7c49f37e711c4144e8aa79ee7b876d945ea9e315f068f2860ea210919f9e7