Analysis Overview
SHA256
e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2
Threat Level: Known bad
The file e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2 was found to be: Known bad.
Malicious Activity Summary
Gh0strat
Gh0strat family
Purplefox family
Detect PurpleFox Rootkit
PurpleFox
Gh0st RAT payload
Drops file in Drivers directory
Sets service image path in registry
Deletes itself
Executes dropped EXE
Loads dropped DLL
Enumerates connected drives
Drops file in System32 directory
Unsigned PE
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Suspicious behavior: LoadsDriver
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-08 07:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-08 07:29
Reported
2024-11-08 07:31
Platform
win10v2004-20241007-en
Max time kernel
120s
Max time network
144s
Command Line
Signatures
Detect PurpleFox 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 |
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 |
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\Jbrja.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\Jbrja.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\P: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\R: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\V: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\Y: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\B: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\J: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\M: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\W: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\Z: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\K: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\N: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\O: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\U: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\H: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\Q: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\T: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\L: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\S: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\X: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\E: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\G: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\I: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Jbrja.exe | C:\Users\Admin\AppData\Local\Temp\e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Jbrja.exe | C:\Users\Admin\AppData\Local\Temp\e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\Jbrja.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\e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\Jbrja.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 |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\SysWOW64\Jbrja.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" | C:\Windows\SysWOW64\Jbrja.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2.exe
"C:\Users\Admin\AppData\Local\Temp\e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2.exe"
C:\Windows\SysWOW64\Jbrja.exe
C:\Windows\SysWOW64\Jbrja.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\E79C84~1.EXE > nul
C:\Windows\SysWOW64\Jbrja.exe
C:\Windows\SysWOW64\Jbrja.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 | 28.118.140.52.in-addr.arpa | udp |
| HK | 206.238.179.179:8085 | tcp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 179.179.238.206.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
Files
memory/4368-1-0x0000000010000000-0x000000001019F000-memory.dmp
C:\Windows\SysWOW64\Jbrja.exe
| MD5 | e40eae626eea7da513b5e638048df428 |
| SHA1 | 2db7528e5dffb3bc7e7c7ae0afb064c53dbe3e73 |
| SHA256 | e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2 |
| SHA512 | 2e8aa6d2c56f67592facab70c752f28ea16de271572031b6c9fe7266b7b96463e81bf057fcdf19324c938ae44f786951bf1181ed011efdb7face9bc8388f99cd |
memory/4940-10-0x0000000010000000-0x000000001019F000-memory.dmp
memory/3900-17-0x0000000010000000-0x000000001019F000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-08 07:29
Reported
2024-11-08 07:31
Platform
win7-20241010-en
Max time kernel
121s
Max time network
149s
Command Line
Signatures
Detect PurpleFox Rootkit
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Gh0st RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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\Jbrja.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\Jbrja.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\Jbrja.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\Y: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\I: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\L: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\T: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\U: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\W: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\O: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\S: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\E: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\G: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\H: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\J: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\M: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\N: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\R: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\V: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\X: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\B: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\K: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\P: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\Q: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| File opened (read-only) | \??\Z: | C:\Windows\SysWOW64\Jbrja.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Jbrja.exe | C:\Users\Admin\AppData\Local\Temp\e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Jbrja.exe | C:\Users\Admin\AppData\Local\Temp\e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| 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\e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\Jbrja.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
| 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 value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\Jbrja.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7" | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\Jbrja.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\Jbrja.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2.exe
"C:\Users\Admin\AppData\Local\Temp\e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2.exe"
C:\Windows\SysWOW64\Jbrja.exe
C:\Windows\SysWOW64\Jbrja.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\E79C84~1.EXE > nul
C:\Windows\SysWOW64\Jbrja.exe
C:\Windows\SysWOW64\Jbrja.exe -acsi
C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
Network
| Country | Destination | Domain | Proto |
| HK | 206.238.179.179:8085 | tcp |
Files
memory/2856-0-0x0000000010000000-0x000000001019F000-memory.dmp
C:\Windows\SysWOW64\Jbrja.exe
| MD5 | e40eae626eea7da513b5e638048df428 |
| SHA1 | 2db7528e5dffb3bc7e7c7ae0afb064c53dbe3e73 |
| SHA256 | e79c84c16a80fb2466c89f3ced55bf73d973f26f1aa31db51cb94bc7df4e01a2 |
| SHA512 | 2e8aa6d2c56f67592facab70c752f28ea16de271572031b6c9fe7266b7b96463e81bf057fcdf19324c938ae44f786951bf1181ed011efdb7face9bc8388f99cd |