Analysis Overview
SHA256
311198eeb76c5cb081151452a73159c194300121515e3fd875429152ae7761aa
Threat Level: Known bad
The file eb896b51453c804f14c11eee64c0ff79.exe was found to be: Known bad.
Malicious Activity Summary
Gh0strat
Detect PurpleFox Rootkit
Gh0st RAT payload
PurpleFox
Drops file in Drivers directory
Sets service image path in registry
Executes dropped EXE
Loads dropped DLL
Deletes itself
UPX packed file
Drops file in System32 directory
Unsigned PE
Suspicious behavior: LoadsDriver
Suspicious use of WriteProcessMemory
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-16 13:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-16 13:30
Reported
2024-06-16 13:32
Platform
win7-20240611-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
PurpleFox
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\drivers\QAssist.sys | C:\Windows\SysWOW64\Dumdu.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\Dumdu.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\Dumdu.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
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Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Dumdu.exe | C:\Users\Admin\AppData\Local\Temp\eb896b51453c804f14c11eee64c0ff79.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Dumdu.exe | C:\Users\Admin\AppData\Local\Temp\eb896b51453c804f14c11eee64c0ff79.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\Dumdu.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\eb896b51453c804f14c11eee64c0ff79.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\eb896b51453c804f14c11eee64c0ff79.exe
"C:\Users\Admin\AppData\Local\Temp\eb896b51453c804f14c11eee64c0ff79.exe"
C:\Windows\SysWOW64\Dumdu.exe
C:\Windows\SysWOW64\Dumdu.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\EB896B~1.EXE > nul
C:\Windows\SysWOW64\Dumdu.exe
C:\Windows\SysWOW64\Dumdu.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 | www2.micrr0soft.com | udp |
| HK | 156.241.4.189:10092 | www2.micrr0soft.com | tcp |
| HK | 156.241.4.189:10092 | www2.micrr0soft.com | tcp |
| HK | 156.241.4.189:10092 | www2.micrr0soft.com | tcp |
| HK | 156.241.4.189:10092 | www2.micrr0soft.com | tcp |
| HK | 156.241.4.189:10092 | www2.micrr0soft.com | tcp |
Files
memory/2084-0-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2084-2-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2084-6-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2084-3-0x0000000010000000-0x00000000101A5000-memory.dmp
C:\Windows\SysWOW64\Dumdu.exe
| MD5 | eb896b51453c804f14c11eee64c0ff79 |
| SHA1 | e13b7ab9b10d698bb766141fccae0e7cf19c7195 |
| SHA256 | 311198eeb76c5cb081151452a73159c194300121515e3fd875429152ae7761aa |
| SHA512 | fadadbd549f79a8e466864b69fe4a2b7a0060e453c566501815d23c55f53bdc123f163bcfcf997ddf08bb088a63e616437269046102c4d58a60262f4d5082701 |
memory/1652-16-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/1652-22-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2716-25-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2716-24-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2716-26-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2716-27-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2716-31-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2716-32-0x0000000010000000-0x00000000101A5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-16 13:30
Reported
2024-06-16 13:32
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 |
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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\Dumdu.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\Dumdu.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| 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\Dumdu.exe | C:\Users\Admin\AppData\Local\Temp\eb896b51453c804f14c11eee64c0ff79.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Dumdu.exe | C:\Users\Admin\AppData\Local\Temp\eb896b51453c804f14c11eee64c0ff79.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\Dumdu.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\eb896b51453c804f14c11eee64c0ff79.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\Dumdu.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\eb896b51453c804f14c11eee64c0ff79.exe
"C:\Users\Admin\AppData\Local\Temp\eb896b51453c804f14c11eee64c0ff79.exe"
C:\Windows\SysWOW64\Dumdu.exe
C:\Windows\SysWOW64\Dumdu.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\EB896B~1.EXE > nul
C:\Windows\SysWOW64\Dumdu.exe
C:\Windows\SysWOW64\Dumdu.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 | www2.micrr0soft.com | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | www2.micrr0soft.com | udp |
| US | 8.8.8.8:53 | www2.micrr0soft.com | udp |
Files
memory/2056-0-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2056-3-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2056-2-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2056-6-0x0000000010000000-0x00000000101A5000-memory.dmp
C:\Windows\SysWOW64\Dumdu.exe
| MD5 | eb896b51453c804f14c11eee64c0ff79 |
| SHA1 | e13b7ab9b10d698bb766141fccae0e7cf19c7195 |
| SHA256 | 311198eeb76c5cb081151452a73159c194300121515e3fd875429152ae7761aa |
| SHA512 | fadadbd549f79a8e466864b69fe4a2b7a0060e453c566501815d23c55f53bdc123f163bcfcf997ddf08bb088a63e616437269046102c4d58a60262f4d5082701 |
memory/3616-11-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/3616-12-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/3616-13-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/3616-9-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/3616-15-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/1524-18-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/1524-16-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/1524-19-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/1524-20-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/1524-24-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/1524-25-0x0000000010000000-0x00000000101A5000-memory.dmp