Analysis Overview
SHA256
41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53
Threat Level: Known bad
The file 41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53 was found to be: Known bad.
Malicious Activity Summary
Gh0strat family
PurpleFox
Purplefox family
Gh0strat
Detect PurpleFox Rootkit
Gh0st RAT payload
Sets service image path in registry
Drops file in Drivers directory
Executes dropped EXE
Loads dropped DLL
UPX packed file
Drops file in System32 directory
Unsigned PE
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious behavior: LoadsDriver
Runs ping.exe
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-09 20:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 20:33
Reported
2024-11-09 20:36
Platform
win7-20240903-en
Max time kernel
150s
Max time network
120s
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 |
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Gh0strat
Gh0strat family
PurpleFox
Purplefox family
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
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RVN.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\TXPlatforn.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\TXPlatforn.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\TXPlatforn.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\RVN.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\TXPlatforn.exe | C:\Users\Admin\AppData\Local\Temp\RVN.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\RVN.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 |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\PING.EXE | N/A |
System Network Configuration Discovery: Internet Connection 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: 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\RVN.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\SysWOW64\TXPlatforn.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\TXPlatforn.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\TXPlatforn.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\TXPlatforn.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\TXPlatforn.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe
"C:\Users\Admin\AppData\Local\Temp\41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe"
C:\Users\Admin\AppData\Local\Temp\RVN.exe
C:\Users\Admin\AppData\Local\Temp\\RVN.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\RVN.exe > nul
C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.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\RVN.exe
| MD5 | 80ade1893dec9cab7f2e63538a464fcc |
| SHA1 | c06614da33a65eddb506db00a124a3fc3f5be02e |
| SHA256 | 57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd |
| SHA512 | fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4 |
memory/2828-8-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2828-15-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2828-10-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2828-11-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2648-21-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2648-29-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2620-30-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2620-31-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2620-35-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2620-36-0x0000000010000000-0x00000000101B6000-memory.dmp
C:\Users\Admin\Desktop\InitializeDismount.exe
| MD5 | a92ea5e0b50394f6048c4de5be0815ca |
| SHA1 | cda5dde133710c536c107902843e95bcf9194dea |
| SHA256 | 0c905e3080131f22ad7fa3db4b15ab99b1c38419ab9e3ada9cfef6ef4001d998 |
| SHA512 | 338d1f36069ed3d8e2ed2fa64629554adae1e3899d22c3730331bd8c3c22f81575597c138fbff0c8f5d992467be0ac8934e0b5be4efc1c4bac947ed3a7b4e9c1 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 20:33
Reported
2024-11-09 20:36
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
147s
Command Line
Signatures
Detect PurpleFox Rootkit
| Description | Indicator | Process | Target |
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Gh0st RAT payload
| Description | Indicator | Process | Target |
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Gh0strat
Gh0strat family
PurpleFox
Purplefox family
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
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RVN.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\TXPlatforn.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\TXPlatforn.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\RVN.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\TXPlatforn.exe | C:\Users\Admin\AppData\Local\Temp\RVN.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\RVN.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 |
| 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\41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe | N/A |
System Network Configuration Discovery: Internet Connection 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: 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\RVN.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\SysWOW64\TXPlatforn.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\TXPlatforn.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\TXPlatforn.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\TXPlatforn.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\TXPlatforn.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe
"C:\Users\Admin\AppData\Local\Temp\41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe"
C:\Users\Admin\AppData\Local\Temp\RVN.exe
C:\Users\Admin\AppData\Local\Temp\\RVN.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\RVN.exe > nul
C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
| US | 8.8.8.8:53 | hackerinvasion.f3322.net | udp |
Files
C:\Users\Admin\AppData\Local\Temp\RVN.exe
| MD5 | 80ade1893dec9cab7f2e63538a464fcc |
| SHA1 | c06614da33a65eddb506db00a124a3fc3f5be02e |
| SHA256 | 57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd |
| SHA512 | fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4 |
memory/3572-5-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3572-7-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3572-9-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3572-8-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4764-16-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4764-17-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2908-24-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4764-25-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4764-18-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4764-14-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2908-26-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2908-31-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2908-30-0x0000000010000000-0x00000000101B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
| MD5 | 2f8f7ae053c6bc790ec5c13b86eb1e3a |
| SHA1 | 6572ade871e91e54d44352f95ea40244e954e866 |
| SHA256 | 41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53 |
| SHA512 | e48ed77f14bb01b7b4ba397f35c21ea5861a501177e5c1aed1ca949125f36decf13b44756ae8c55e5283a4bb3ca40257dbb1e2e788a5d02e594942edae0bcd71 |