Analysis Overview
SHA256
669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e
Threat Level: Known bad
The file 669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Guloader family
AgentTesla
Agenttesla family
Reads user/profile data of web browsers
Reads WinSCP keys stored on the system
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Loads dropped DLL
Looks up external IP address via web service
Suspicious use of SetThreadContext
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of NtCreateThreadExHideFromDebugger
Enumerates physical storage devices
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-06 13:56
Signatures
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
2024-11-06 13:56
Reported
2024-11-06 13:58
Platform
win7-20241010-en
Max time kernel
143s
Max time network
148s
Command Line
Signatures
AgentTesla
Agenttesla family
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2116 set thread context of 2968 | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe |
Enumerates physical storage devices
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\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
"C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe"
C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
"C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe"
Network
| Country | Destination | Domain | Proto |
| NL | 84.38.133.48:80 | 84.38.133.48 | tcp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.12.205:443 | api.ipify.org | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsj9DD8.tmp\System.dll
| MD5 | fc3772787eb239ef4d0399680dcc4343 |
| SHA1 | db2fa99ec967178cd8057a14a428a8439a961a73 |
| SHA256 | 9b93c61c9d63ef8ec80892cc0e4a0877966dca9b0c3eb85555cebd2ddf4d6eed |
| SHA512 | 79e491ca4591a5da70116114b7fbb66ee15a0532386035e980c9dfe7afb59b1f9d9c758891e25bfb45c36b07afd3e171bac37a86c887387ef0e80b1eaf296c89 |
memory/2116-25-0x0000000003AE0000-0x0000000004C6E000-memory.dmp
memory/2116-26-0x0000000003AE0000-0x0000000004C6E000-memory.dmp
memory/2116-28-0x0000000077BE0000-0x0000000077D89000-memory.dmp
memory/2116-27-0x0000000077BE1000-0x0000000077CE2000-memory.dmp
memory/2116-29-0x0000000077BE0000-0x0000000077D89000-memory.dmp
memory/2116-31-0x0000000003AE0000-0x0000000004C6E000-memory.dmp
memory/2968-30-0x0000000077BE0000-0x0000000077D89000-memory.dmp
memory/2968-32-0x00000000004A0000-0x0000000001502000-memory.dmp
memory/2968-34-0x00000000004A0000-0x00000000004E2000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-06 13:56
Reported
2024-11-06 13:58
Platform
win10v2004-20241007-en
Max time kernel
147s
Max time network
141s
Command Line
Signatures
AgentTesla
Agenttesla family
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2344 set thread context of 2700 | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe |
Enumerates physical storage devices
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\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
"C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe"
C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
"C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| NL | 84.38.133.48:80 | 84.38.133.48 | tcp |
| US | 8.8.8.8:53 | 48.133.38.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.13.205:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | 205.13.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsz9156.tmp\System.dll
| MD5 | fc3772787eb239ef4d0399680dcc4343 |
| SHA1 | db2fa99ec967178cd8057a14a428a8439a961a73 |
| SHA256 | 9b93c61c9d63ef8ec80892cc0e4a0877966dca9b0c3eb85555cebd2ddf4d6eed |
| SHA512 | 79e491ca4591a5da70116114b7fbb66ee15a0532386035e980c9dfe7afb59b1f9d9c758891e25bfb45c36b07afd3e171bac37a86c887387ef0e80b1eaf296c89 |
memory/2344-24-0x0000000004A40000-0x0000000005BCE000-memory.dmp
memory/2344-25-0x0000000076EE1000-0x0000000077001000-memory.dmp
memory/2344-26-0x0000000010004000-0x0000000010005000-memory.dmp
memory/2344-27-0x0000000004A40000-0x0000000005BCE000-memory.dmp
memory/2700-28-0x0000000001700000-0x000000000288E000-memory.dmp
memory/2700-29-0x0000000076F68000-0x0000000076F69000-memory.dmp
memory/2700-30-0x0000000076F85000-0x0000000076F86000-memory.dmp
memory/2700-31-0x00000000004A0000-0x00000000016F4000-memory.dmp
memory/2700-33-0x0000000076EE1000-0x0000000077001000-memory.dmp
memory/2700-32-0x0000000001700000-0x000000000288E000-memory.dmp
memory/2700-34-0x00000000004A0000-0x00000000004E2000-memory.dmp
memory/2700-35-0x00000000351F0000-0x0000000035794000-memory.dmp
memory/2700-36-0x0000000035150000-0x00000000351B6000-memory.dmp
memory/2700-37-0x00000000360E0000-0x0000000036130000-memory.dmp
memory/2700-38-0x0000000036130000-0x00000000361C2000-memory.dmp
memory/2700-39-0x0000000036200000-0x000000003620A000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-06 13:56
Reported
2024-11-06 13:58
Platform
win7-20241010-en
Max time kernel
122s
Max time network
128s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1952 -s 228
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-06 13:56
Reported
2024-11-06 13:58
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4552 wrote to memory of 2540 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4552 wrote to memory of 2540 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4552 wrote to memory of 2540 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2540 -ip 2540
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 612
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 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |