Analysis Overview
SHA256
ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5
Threat Level: Known bad
The file ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe was found to be: Known bad.
Malicious Activity Summary
AgentTesla
Agenttesla family
Guloader,Cloudeye
Guloader family
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Legitimate hosting services abused for malware hosting/C2
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Suspicious use of NtCreateThreadExHideFromDebugger
Unsigned PE
Program crash
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-16 14:58
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-16 14:58
Reported
2024-12-16 15:00
Platform
win7-20240903-en
Max time kernel
117s
Max time network
117s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe |
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\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2168 wrote to memory of 2584 | N/A | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2168 wrote to memory of 2584 | N/A | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2168 wrote to memory of 2584 | N/A | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2168 wrote to memory of 2584 | N/A | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe
"C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 516
Network
Files
\Users\Admin\AppData\Local\Temp\nst44CE.tmp\System.dll
| MD5 | 192639861e3dc2dc5c08bb8f8c7260d5 |
| SHA1 | 58d30e460609e22fa0098bc27d928b689ef9af78 |
| SHA256 | 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6 |
| SHA512 | 6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc |
memory/2168-13-0x0000000003760000-0x0000000005046000-memory.dmp
memory/2168-14-0x0000000003760000-0x0000000005046000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-16 14:58
Reported
2024-12-16 15:00
Platform
win10v2004-20241007-en
Max time kernel
118s
Max time network
98s
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\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.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
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | drive.google.com | N/A | N/A |
| N/A | drive.google.com | N/A | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1404 set thread context of 3524 | N/A | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.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\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe
"C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe"
C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe
"C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.google.com | udp |
| FR | 142.250.75.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| FR | 142.250.179.67:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| FR | 142.250.179.67:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | 238.75.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.179.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| FR | 142.250.74.225:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | 225.74.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 181.129.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nso82DD.tmp\System.dll
| MD5 | 192639861e3dc2dc5c08bb8f8c7260d5 |
| SHA1 | 58d30e460609e22fa0098bc27d928b689ef9af78 |
| SHA256 | 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6 |
| SHA512 | 6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc |
memory/1404-11-0x0000000004230000-0x0000000005B16000-memory.dmp
memory/1404-12-0x0000000077121000-0x0000000077241000-memory.dmp
memory/1404-13-0x0000000073D75000-0x0000000073D76000-memory.dmp
memory/1404-14-0x0000000004230000-0x0000000005B16000-memory.dmp
memory/3524-15-0x0000000001700000-0x0000000002FE6000-memory.dmp
memory/3524-16-0x00000000771A8000-0x00000000771A9000-memory.dmp
memory/3524-17-0x00000000771C5000-0x00000000771C6000-memory.dmp
memory/3524-30-0x0000000001700000-0x0000000002FE6000-memory.dmp
memory/3524-31-0x00000000004A0000-0x00000000016F4000-memory.dmp
memory/3524-33-0x00000000004A0000-0x000000000050C000-memory.dmp
memory/3524-34-0x0000000035EB0000-0x0000000036454000-memory.dmp
memory/3524-35-0x00000000337D0000-0x0000000033836000-memory.dmp
memory/3524-37-0x0000000036590000-0x00000000365E0000-memory.dmp
memory/3524-38-0x0000000036850000-0x00000000368E2000-memory.dmp
memory/3524-39-0x0000000036630000-0x000000003663A000-memory.dmp
memory/3524-40-0x0000000077121000-0x0000000077241000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-12-16 14:58
Reported
2024-12-16 15:00
Platform
win7-20240903-en
Max time kernel
118s
Max time network
118s
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 2820 -s 220
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-12-16 14:58
Reported
2024-12-16 15:00
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
95s
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 2420 wrote to memory of 4412 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2420 wrote to memory of 4412 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2420 wrote to memory of 4412 | 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 408 -p 4412 -ip 4412
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |