Analysis Overview
SHA256
cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad
Threat Level: Known bad
The file cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad was found to be: Known bad.
Malicious Activity Summary
Agenttesla family
Guloader,Cloudeye
AgentTesla
Guloader family
Reads user/profile data of local email clients
Reads WinSCP keys stored on the system
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Looks up external IP address via web service
Legitimate hosting services abused for malware hosting/C2
Suspicious use of SetThreadContext
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Program Files directory
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 01:34
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 01:34
Reported
2024-11-11 01:36
Platform
win7-20241023-en
Max time kernel
141s
Max time network
142s
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\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.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 |
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\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3012 set thread context of 2868 | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Common Files\brisantgranatens\baegersvamp.For | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\Azonic255\lithoclase.ini | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
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\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe
"C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe"
C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe
"C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 142.250.187.206:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.187.227:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| GB | 142.250.187.227:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 172.217.16.225:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.13.205:443 | api.ipify.org | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsd6DF1.tmp\System.dll
| MD5 | d6f54d2cefdf58836805796f55bfc846 |
| SHA1 | b980addc1a755b968dd5799179d3b4f1c2de9d2d |
| SHA256 | f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9 |
| SHA512 | ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db |
memory/3012-16-0x0000000003C40000-0x0000000005AA2000-memory.dmp
memory/3012-17-0x0000000076D81000-0x0000000076E82000-memory.dmp
memory/3012-18-0x0000000076D80000-0x0000000076F29000-memory.dmp
memory/3012-19-0x0000000003C40000-0x0000000005AA2000-memory.dmp
memory/2868-20-0x0000000076D80000-0x0000000076F29000-memory.dmp
memory/3012-21-0x0000000003C40000-0x0000000005AA2000-memory.dmp
memory/2868-23-0x0000000076D80000-0x0000000076F29000-memory.dmp
memory/2868-22-0x0000000000820000-0x0000000001882000-memory.dmp
memory/2868-45-0x0000000000820000-0x0000000001882000-memory.dmp
memory/2868-46-0x0000000000820000-0x0000000000860000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 01:34
Reported
2024-11-11 01:36
Platform
win10v2004-20241007-en
Max time kernel
144s
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\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.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 |
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\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 540 set thread context of 5088 | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Common Files\brisantgranatens\baegersvamp.For | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\Azonic255\lithoclase.ini | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
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\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe
"C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe"
C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe
"C:\Users\Admin\AppData\Local\Temp\cf3c06fc4ac2aa1437f095c70671e38c9b8fb7c553ee19899b3183aa11843aad.exe"
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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.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 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 142.250.187.206:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 216.58.212.227:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| US | 8.8.8.8:53 | 206.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 227.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 227.212.58.216.in-addr.arpa | udp |
| GB | 142.250.187.227:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 172.217.16.225:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | 225.16.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 172.67.74.152:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 152.74.67.172.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 |
Files
C:\Users\Admin\AppData\Local\Temp\nse9DD8.tmp\System.dll
| MD5 | d6f54d2cefdf58836805796f55bfc846 |
| SHA1 | b980addc1a755b968dd5799179d3b4f1c2de9d2d |
| SHA256 | f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9 |
| SHA512 | ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db |
memory/540-15-0x0000000004DC0000-0x0000000006C22000-memory.dmp
memory/540-17-0x00000000771E1000-0x0000000077301000-memory.dmp
memory/540-16-0x0000000004DC0000-0x0000000006C22000-memory.dmp
memory/540-18-0x0000000073E35000-0x0000000073E36000-memory.dmp
memory/540-19-0x0000000004DC0000-0x0000000006C22000-memory.dmp
memory/5088-20-0x0000000001A80000-0x00000000038E2000-memory.dmp
memory/5088-33-0x0000000000820000-0x0000000001A74000-memory.dmp
memory/5088-34-0x0000000001A80000-0x00000000038E2000-memory.dmp
memory/5088-35-0x0000000000820000-0x0000000001A74000-memory.dmp
memory/5088-36-0x0000000000820000-0x0000000000860000-memory.dmp
memory/5088-37-0x00000000366F0000-0x0000000036C94000-memory.dmp
memory/5088-38-0x0000000036580000-0x00000000365E6000-memory.dmp
memory/5088-39-0x0000000037480000-0x00000000374D0000-memory.dmp
memory/5088-40-0x00000000374D0000-0x0000000037562000-memory.dmp
memory/5088-41-0x0000000037730000-0x000000003773A000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-11 01:34
Reported
2024-11-11 01:36
Platform
win7-20240903-en
Max time kernel
117s
Max time network
122s
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 2072 -s 220
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-11 01:34
Reported
2024-11-11 01:36
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
140s
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 5032 wrote to memory of 4528 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5032 wrote to memory of 4528 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5032 wrote to memory of 4528 | 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 360 -p 4528 -ip 4528
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |