Analysis Overview
SHA256
4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b
Threat Level: Known bad
The file 4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b was found to be: Known bad.
Malicious Activity Summary
Agenttesla family
AgentTesla
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
Legitimate hosting services abused for malware hosting/C2
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Suspicious use of NtCreateThreadExHideFromDebugger
Drops file in Program Files directory
Program crash
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-12 12:09
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-12 12:09
Reported
2024-11-12 12:12
Platform
win7-20240729-en
Max time kernel
140s
Max time network
140s
Command Line
Signatures
AgentTesla
Agenttesla family
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.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\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2076 set thread context of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.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\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\Azonic255\lithoclase.ini | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.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\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe
"C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe"
C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe
"C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.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 | 104.26.12.205:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| US | 23.192.22.93:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | crl.microsoft.com | udp |
| GB | 2.19.117.22:80 | crl.microsoft.com | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsdAAE1.tmp\System.dll
| MD5 | d6f54d2cefdf58836805796f55bfc846 |
| SHA1 | b980addc1a755b968dd5799179d3b4f1c2de9d2d |
| SHA256 | f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9 |
| SHA512 | ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db |
memory/2076-16-0x0000000077651000-0x0000000077752000-memory.dmp
memory/2076-17-0x0000000077650000-0x00000000777F9000-memory.dmp
memory/2492-18-0x0000000077650000-0x00000000777F9000-memory.dmp
memory/2492-21-0x0000000000820000-0x0000000001882000-memory.dmp
memory/2492-39-0x0000000000820000-0x0000000001882000-memory.dmp
memory/2492-40-0x0000000000820000-0x0000000000860000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-12 12:09
Reported
2024-11-12 12:12
Platform
win10v2004-20241007-en
Max time kernel
143s
Max time network
144s
Command Line
Signatures
AgentTesla
Agenttesla family
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.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\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1984 set thread context of 2688 | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.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\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\Azonic255\lithoclase.ini | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.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\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe
"C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe"
C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.exe
"C:\Users\Admin\AppData\Local\Temp\4ad4bb99aa68ac6d5828c71c3f3d5d2983ead0626fd77aba7bb98de727a4b90b.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 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 216.58.213.14:443 | 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 | 14.213.58.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 227.187.250.142.in-addr.arpa | udp |
| 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 | 152.74.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.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 |
Files
C:\Users\Admin\AppData\Local\Temp\nst82FD.tmp\System.dll
| MD5 | d6f54d2cefdf58836805796f55bfc846 |
| SHA1 | b980addc1a755b968dd5799179d3b4f1c2de9d2d |
| SHA256 | f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9 |
| SHA512 | ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db |
memory/1984-15-0x0000000077791000-0x00000000778B1000-memory.dmp
memory/1984-16-0x00000000743E5000-0x00000000743E6000-memory.dmp
memory/2688-17-0x0000000077791000-0x00000000778B1000-memory.dmp
memory/2688-18-0x0000000077818000-0x0000000077819000-memory.dmp
memory/2688-19-0x0000000077835000-0x0000000077836000-memory.dmp
memory/2688-32-0x0000000000820000-0x0000000001A74000-memory.dmp
memory/2688-34-0x0000000077791000-0x00000000778B1000-memory.dmp
memory/2688-33-0x0000000000820000-0x0000000001A74000-memory.dmp
memory/2688-35-0x000000007268E000-0x000000007268F000-memory.dmp
memory/2688-36-0x0000000000820000-0x0000000000860000-memory.dmp
memory/2688-37-0x000000003A5D0000-0x000000003AB74000-memory.dmp
memory/2688-38-0x000000003AB80000-0x000000003ABE6000-memory.dmp
memory/2688-39-0x0000000072680000-0x0000000072E30000-memory.dmp
memory/2688-40-0x000000003B210000-0x000000003B260000-memory.dmp
memory/2688-41-0x000000003B260000-0x000000003B2F2000-memory.dmp
memory/2688-42-0x000000003B4C0000-0x000000003B4CA000-memory.dmp
memory/2688-44-0x000000007268E000-0x000000007268F000-memory.dmp
memory/2688-45-0x0000000072680000-0x0000000072E30000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-12 12:09
Reported
2024-11-12 12:12
Platform
win7-20240729-en
Max time kernel
16s
Max time network
16s
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 2144 -s 220
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-12 12:09
Reported
2024-11-12 12:12
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
141s
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 4892 wrote to memory of 4384 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4892 wrote to memory of 4384 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4892 wrote to memory of 4384 | 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 4384 -ip 4384
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4384 -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 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |