Analysis Overview
SHA256
3f88fce4752ca321c35926abe5595f99a44506d177517bd579fd459db7262e0a
Threat Level: Known bad
The file 3f88fce4752ca321c35926abe5595f99a44506d177517bd579fd459db7262e0a was found to be: Known bad.
Malicious Activity Summary
Detect PurpleFox Rootkit
PurpleFox
Gh0st RAT payload
Gh0strat
Drops file in Drivers directory
Sets service image path in registry
Sets DLL path for service in the registry
Executes dropped EXE
Loads dropped DLL
UPX packed file
Drops file in System32 directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: LoadsDriver
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-25 19:04
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-25 19:04
Reported
2024-05-25 19:07
Platform
win7-20240419-en
Max time kernel
150s
Max time network
125s
Command Line
Signatures
Detect PurpleFox Rootkit
| Description | Indicator | Process | Target |
| 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 |
| N/A | N/A | N/A | N/A |
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Gh0strat
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 service image path in registry
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\R.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\N.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\TXPlatfor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\TXPlatfor.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3f88fce4752ca321c35926abe5595f99a44506d177517bd579fd459db7262e0a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\R.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3f88fce4752ca321c35926abe5595f99a44506d177517bd579fd459db7262e0a.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\TXPlatfor.exe | N/A |
UPX packed file
| 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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Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\259396902.txt | C:\Users\Admin\AppData\Local\Temp\R.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 |
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 SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3f88fce4752ca321c35926abe5595f99a44506d177517bd579fd459db7262e0a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3f88fce4752ca321c35926abe5595f99a44506d177517bd579fd459db7262e0a.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3f88fce4752ca321c35926abe5595f99a44506d177517bd579fd459db7262e0a.exe
"C:\Users\Admin\AppData\Local\Temp\3f88fce4752ca321c35926abe5595f99a44506d177517bd579fd459db7262e0a.exe"
C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
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
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
Files
\Users\Admin\AppData\Local\Temp\R.exe
| MD5 | 8dc3adf1c490211971c1e2325f1424d2 |
| SHA1 | 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5 |
| SHA256 | bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c |
| SHA512 | ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d |
\Windows\SysWOW64\259396902.txt
| MD5 | c305f3d368b0b2107a751db39f88a7f8 |
| SHA1 | 7a24581598f2e3c57a677f30f19e9e9d71b3a2ac |
| SHA256 | 998e89896031a517d76eb6af640522c779ef5df7790c0234c7d393bb8d88b1d4 |
| SHA512 | 699588d4232814e8f83dd39780d5bf7c3ddd2838a43c25f12236a5580d46e79f506190306bcc3f520c09f3126155c219e01c1adb3ff93ef87aa7061e494d33ea |
\Users\Admin\AppData\Local\Temp\N.exe
| MD5 | 4a36a48e58829c22381572b2040b6fe0 |
| SHA1 | f09d30e44ff7e3f20a5de307720f3ad148c6143b |
| SHA256 | 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8 |
| SHA512 | 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0 |
memory/2556-13-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2556-15-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2556-17-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2672-26-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2556-30-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2672-35-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2768-36-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2768-40-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2768-42-0x0000000010000000-0x00000000101B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
| MD5 | 8941fcac286534a19cbdf12e7cdfc71c |
| SHA1 | 7a64d56b06cd3cb42d0c0342386c6dc76fcfa387 |
| SHA256 | 3f88fce4752ca321c35926abe5595f99a44506d177517bd579fd459db7262e0a |
| SHA512 | 1f860fd7a746178d2e22f4b0296e68901916615900f63755e2c8d177242d9d365513f7d2e748a4765d62a16b70965f4c5a5d31520a867a3eb4fa92c868b6aa43 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-25 19:04
Reported
2024-05-25 19:07
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
Detect PurpleFox Rootkit
| Description | Indicator | Process | Target |
| 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 |
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| N/A | N/A | N/A | N/A |
Gh0strat
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
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240605062.txt" | C:\Users\Admin\AppData\Local\Temp\R.exe | N/A |
Sets service image path in registry
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\R.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\N.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\TXPlatfor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\TXPlatfor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Remote Data.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
| 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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| 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\240605062.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 |
| 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 |
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\3f88fce4752ca321c35926abe5595f99a44506d177517bd579fd459db7262e0a.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 SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3f88fce4752ca321c35926abe5595f99a44506d177517bd579fd459db7262e0a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3f88fce4752ca321c35926abe5595f99a44506d177517bd579fd459db7262e0a.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3f88fce4752ca321c35926abe5595f99a44506d177517bd579fd459db7262e0a.exe
"C:\Users\Admin\AppData\Local\Temp\3f88fce4752ca321c35926abe5595f99a44506d177517bd579fd459db7262e0a.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\240605062.txt",MainThread
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | 203.107.17.2.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 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
Files
C:\Users\Admin\AppData\Local\Temp\R.exe
| MD5 | 8dc3adf1c490211971c1e2325f1424d2 |
| SHA1 | 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5 |
| SHA256 | bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c |
| SHA512 | ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d |
C:\Windows\SysWOW64\240605062.txt
| MD5 | e60658918a9e25333694c082c861d129 |
| SHA1 | 9ef7d1877b2fe73cc72d9eb37a5245d9f5e27c2e |
| SHA256 | 27d66600ca4367f3f94dee17dde07ac947b2ffc25d94d71e2c7e70de8e6fa50e |
| SHA512 | ddfcaea862f5c97ed3d8795ccbb7cea42be3ac6fe920f97033af290ef80aa9c43d30a853ebeabaf55c314614df3b41cbfd29a373967137efbdf405d877b1f31e |
C:\Users\Admin\AppData\Local\Temp\N.exe
| MD5 | 4a36a48e58829c22381572b2040b6fe0 |
| SHA1 | f09d30e44ff7e3f20a5de307720f3ad148c6143b |
| SHA256 | 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8 |
| SHA512 | 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0 |
memory/3360-17-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3360-19-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3360-20-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4112-27-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4112-25-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4112-28-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2708-35-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2708-39-0x0000000010000000-0x00000000101B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
| MD5 | 8941fcac286534a19cbdf12e7cdfc71c |
| SHA1 | 7a64d56b06cd3cb42d0c0342386c6dc76fcfa387 |
| SHA256 | 3f88fce4752ca321c35926abe5595f99a44506d177517bd579fd459db7262e0a |
| SHA512 | 1f860fd7a746178d2e22f4b0296e68901916615900f63755e2c8d177242d9d365513f7d2e748a4765d62a16b70965f4c5a5d31520a867a3eb4fa92c868b6aa43 |
memory/2708-51-0x0000000010000000-0x00000000101B6000-memory.dmp
C:\Windows\SysWOW64\Remote Data.exe
| MD5 | 889b99c52a60dd49227c5e485a016679 |
| SHA1 | 8fa889e456aa646a4d0a4349977430ce5fa5e2d7 |
| SHA256 | 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910 |
| SHA512 | 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641 |