Analysis Overview
SHA256
a8a2c05606db0b08fd77dfc4fb96728160cd786860deb6d31018825648e9ffae
Threat Level: Known bad
The file a8a2c05606db0b08fd77dfc4fb96728160cd786860deb6d31018825648e9ffae was found to be: Known bad.
Malicious Activity Summary
PurpleFox
Detect PurpleFox Rootkit
Detect Blackmoon payload
Blackmoon, KrBanker
Blackmoon family
Suspicious use of NtCreateUserProcessOtherParentProcess
Gh0st RAT payload
Gh0strat
ACProtect 1.3x - 1.4x DLL software
UPX packed file
Enumerates connected drives
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-08-28 21:35
Signatures
Blackmoon family
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
ACProtect 1.3x - 1.4x DLL software
| 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
2023-08-28 21:35
Reported
2023-08-28 21:37
Platform
win7-20230712-en
Max time kernel
150s
Max time network
143s
Command Line
Signatures
Blackmoon, KrBanker
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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 |
Gh0strat
PurpleFox
Suspicious use of NtCreateUserProcessOtherParentProcess
| Description | Indicator | Process | Target |
| PID 2984 created 420 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\system32\winlogon.exe |
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 |
| 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 connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\N: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\O: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\P: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\Y: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\G: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\M: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\Q: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\S: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\X: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\E: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\R: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\T: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\W: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\Z: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\L: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\U: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\V: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\B: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\H: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\I: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\J: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\K: | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2984 set thread context of 3004 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\svchost.exe |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\winlogon.exe
winlogon.exe
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8a2c05606db0b08fd77dfc4fb96728160cd786860deb6d31018825648e9ffae.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8a2c05606db0b08fd77dfc4fb96728160cd786860deb6d31018825648e9ffae.dll,#1
C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.qkjyaym.cn | udp |
| US | 38.181.34.83:8522 | www.qkjyaym.cn | tcp |
Files
memory/2984-0-0x0000000010000000-0x0000000010089000-memory.dmp
memory/3004-1-0x0000000000400000-0x0000000000543000-memory.dmp
memory/2984-2-0x0000000010000000-0x0000000010089000-memory.dmp
memory/3004-3-0x0000000000400000-0x0000000000543000-memory.dmp
memory/3004-5-0x0000000000400000-0x0000000000543000-memory.dmp
memory/3004-8-0x0000000000400000-0x0000000000543000-memory.dmp
memory/3004-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/3004-14-0x0000000000400000-0x0000000000543000-memory.dmp
memory/3004-15-0x0000000000400000-0x0000000000543000-memory.dmp
memory/3004-16-0x0000000000400000-0x0000000000543000-memory.dmp
memory/3004-17-0x0000000010000000-0x00000000101A0000-memory.dmp
memory/3004-18-0x00000000765F0000-0x0000000076700000-memory.dmp
memory/3004-19-0x0000000010000000-0x00000000101A0000-memory.dmp
memory/3004-35-0x00000000765F0000-0x0000000076700000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-08-28 21:35
Reported
2023-08-28 21:37
Platform
win10v2004-20230703-en
Max time kernel
150s
Max time network
147s
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 |
Gh0st RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Gh0strat
PurpleFox
Suspicious use of NtCreateUserProcessOtherParentProcess
| Description | Indicator | Process | Target |
| PID 2284 created 624 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\system32\winlogon.exe |
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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\O: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\R: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\T: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\U: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\Y: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\B: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\J: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\N: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\Q: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\S: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\Z: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\G: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\I: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\K: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\W: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\E: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\M: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\P: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\X: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\H: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\L: | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened (read-only) | \??\V: | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2284 set thread context of 1240 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\svchost.exe |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\winlogon.exe
winlogon.exe
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8a2c05606db0b08fd77dfc4fb96728160cd786860deb6d31018825648e9ffae.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8a2c05606db0b08fd77dfc4fb96728160cd786860deb6d31018825648e9ffae.dll,#1
C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.qkjyaym.cn | udp |
| US | 38.181.34.83:8522 | www.qkjyaym.cn | tcp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.34.181.38.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.23.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.13.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.16.208.104.in-addr.arpa | udp |
Files
memory/2284-0-0x0000000010000000-0x0000000010089000-memory.dmp
memory/1240-1-0x0000000000400000-0x0000000000543000-memory.dmp
memory/1240-3-0x0000000000400000-0x0000000000543000-memory.dmp
memory/1240-2-0x0000000000400000-0x0000000000543000-memory.dmp
memory/1240-7-0x0000000000400000-0x0000000000543000-memory.dmp
memory/1240-8-0x0000000000400000-0x0000000000543000-memory.dmp
memory/1240-9-0x0000000000400000-0x0000000000543000-memory.dmp
memory/1240-10-0x0000000075790000-0x0000000075880000-memory.dmp
memory/1240-11-0x0000000010000000-0x00000000101A0000-memory.dmp
memory/1240-12-0x0000000010000000-0x00000000101A0000-memory.dmp
memory/1240-28-0x0000000075790000-0x0000000075880000-memory.dmp