Analysis Overview
SHA256
24f5ebdad00d567029760a3e364b2702d1402fe4dc6c7e0801824b02bd239c22
Threat Level: Known bad
The file 24f5ebdad00d567029760a3e364b2702d1402fe4dc6c7e0801824b02bd239c22.7z was found to be: Known bad.
Malicious Activity Summary
PurpleFox
Detect PurpleFox Rootkit
Gh0strat
UPX dump on OEP (original entry point)
Gh0st RAT payload
UPX dump on OEP (original entry point)
Detects executables calling ClearMyTracksByProcess
Drops file in Drivers directory
Sets service image path in registry
Loads dropped DLL
Executes dropped EXE
Deletes itself
UPX packed file
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: LoadsDriver
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-19 01:11
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-19 01:11
Reported
2024-06-19 01:13
Platform
win7-20240508-en
Max time kernel
145s
Max time network
148s
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
PurpleFox
Detects executables calling ClearMyTracksByProcess
| 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 |
UPX dump on OEP (original entry point)
| 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 |
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\drivers\QAssist.sys | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Phija.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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Phija.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Phija.exe
"C:\Users\Admin\AppData\Local\Temp\Phija.exe"
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe"
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\Phija.exe > nul
C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
Network
| Country | Destination | Domain | Proto |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp |
Files
memory/1972-0-0x0000000000400000-0x0000000000547000-memory.dmp
memory/1972-1-0x0000000010000000-0x000000001019F000-memory.dmp
\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe
| MD5 | bd50ba38259a5c7a2a376ea20c16d895 |
| SHA1 | a23cc9f184aa87b8ca1e5fe1589b192d303fe0dd |
| SHA256 | 37d67a422a2c3eac276ec75c6b4600aba1028e244b01a3c9b1e22fbace9dfcad |
| SHA512 | 30ebadd2be0c2095e7221c18a58b0799830e321a94bc5e102f48842c331c0b5743565759a5c2e1c635a7fb5efb03e10b2eaf3da4b9a41dd0bfce16a454d16c66 |
memory/1972-13-0x0000000002C50000-0x0000000002D97000-memory.dmp
memory/2232-20-0x0000000000400000-0x0000000000547000-memory.dmp
memory/1972-21-0x0000000000400000-0x0000000000547000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-19 01:11
Reported
2024-06-19 01:13
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
151s
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 |
| 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 |
Gh0strat
PurpleFox
Detects executables calling ClearMyTracksByProcess
| 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 |
UPX dump on OEP (original entry point)
| 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 |
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\drivers\QAssist.sys | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Phija.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Phija.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Phija.exe
"C:\Users\Admin\AppData\Local\Temp\Phija.exe"
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe"
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\Phija.exe > nul
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 |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp |
Files
memory/1016-0-0x0000000000400000-0x0000000000547000-memory.dmp
memory/1016-1-0x0000000010000000-0x000000001019F000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Phija.exe
| MD5 | bd50ba38259a5c7a2a376ea20c16d895 |
| SHA1 | a23cc9f184aa87b8ca1e5fe1589b192d303fe0dd |
| SHA256 | 37d67a422a2c3eac276ec75c6b4600aba1028e244b01a3c9b1e22fbace9dfcad |
| SHA512 | 30ebadd2be0c2095e7221c18a58b0799830e321a94bc5e102f48842c331c0b5743565759a5c2e1c635a7fb5efb03e10b2eaf3da4b9a41dd0bfce16a454d16c66 |
memory/1016-16-0x0000000000400000-0x0000000000547000-memory.dmp
memory/828-17-0x0000000000400000-0x0000000000547000-memory.dmp
memory/828-34-0x0000000000400000-0x0000000000547000-memory.dmp