Analysis Overview
SHA256
5c6bd84aa0d5aa14ac98f583b3bc53ec09d433c6261b4c6dabcfac4e44aa802f
Threat Level: Known bad
The file 5c6bd84aa0d5aa14ac98f583b3bc53ec09d433c6261b4c6dabcfac4e44aa802f.zip was found to be: Known bad.
Malicious Activity Summary
AgentTesla
Drops startup file
Loads dropped DLL
Executes dropped EXE
Looks up external IP address via web service
Suspicious use of SetThreadContext
AutoIT Executable
Unsigned PE
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-06-18 17:02
Signatures
AutoIT Executable
| 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-18 17:02
Reported
2024-06-18 17:05
Platform
win7-20240611-en
Max time kernel
118s
Max time network
124s
Command Line
Signatures
AgentTesla
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\corynteria.vbs | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
AutoIT Executable
| 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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2124 set thread context of 2628 | N/A | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe
"C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe"
C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe
"C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
Files
memory/2188-10-0x0000000000130000-0x0000000000134000-memory.dmp
\Users\Admin\AppData\Local\obtenebrate\corynteria.exe
| MD5 | aed00ff3e85dbf1bbf99939966939b3a |
| SHA1 | d02a5bc420207a7958e34a4740968439969f5b19 |
| SHA256 | b772162c5b510c5427be045abfdc43c29756217e2ed924ce4c4388bd457a4987 |
| SHA512 | 08ad4f11a67a9e8228d83e96fbcccd98910d53ff2929e2d70d336b8e808d4d7e37f90d157e2747b744eb19b451aba2a0985022207a68ff50dcbd8cdef5e1f50a |
C:\Users\Admin\AppData\Local\Temp\prophetesses
| MD5 | 9ba42eb54f59dbd92ea3603a8ce31beb |
| SHA1 | 63a08b907e72b79b4781848aa25f76bdaf3103d9 |
| SHA256 | 06d40c1d942dc7d5827d4098943c1d9088a47bda344cd79275f7c8518d390bc9 |
| SHA512 | 791fe6f2de331e0edfb1068c67fa051bc5e60540018c264aa609321a83d64c6bff97e3e96d3d598c7f7a0967087f09d22a0c282dfad1be34033e4f2ebc7d1e58 |
C:\Users\Admin\AppData\Local\Temp\benting
| MD5 | 00370753943d9a11be05b9d18ee97197 |
| SHA1 | 1555b2a50202f4f46fa796277c269fe3d8cb90fa |
| SHA256 | a1f5563609a0d55bf813d88b864cdef5ea91c0012de215db73e4f72428596a75 |
| SHA512 | 4d42176734391d746d2b6df9c8b2e293e9bcbd49a5cd0fc1be8c7ae36def70b0740dbe1dbf88406f65937a1eaf8dedd9897a5f365d15a67f365b780ce40a2bc7 |
memory/2124-29-0x0000000000030000-0x000000000013A000-memory.dmp
memory/2628-31-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2124-36-0x0000000000030000-0x000000000013A000-memory.dmp
memory/2628-35-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2628-33-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2628-37-0x00000000743DE000-0x00000000743DF000-memory.dmp
memory/2628-38-0x00000000743D0000-0x0000000074ABE000-memory.dmp
memory/2628-39-0x00000000743DE000-0x00000000743DF000-memory.dmp
memory/2628-40-0x00000000743D0000-0x0000000074ABE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-18 17:02
Reported
2024-06-18 17:05
Platform
win10v2004-20240611-en
Max time kernel
125s
Max time network
127s
Command Line
Signatures
AgentTesla
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\corynteria.vbs | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3420 set thread context of 2312 | N/A | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe
"C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe"
C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe
"C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\FACTURA09654700.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4328,i,11749492925348081608,8895412282206755658,262144 --variations-seed-version --mojo-platform-channel-handle=4148 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| BE | 23.41.178.106:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 131.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 106.178.41.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.83.221.88.in-addr.arpa | udp |
Files
memory/4468-10-0x00000000027B0000-0x00000000027B4000-memory.dmp
C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe
| MD5 | aed00ff3e85dbf1bbf99939966939b3a |
| SHA1 | d02a5bc420207a7958e34a4740968439969f5b19 |
| SHA256 | b772162c5b510c5427be045abfdc43c29756217e2ed924ce4c4388bd457a4987 |
| SHA512 | 08ad4f11a67a9e8228d83e96fbcccd98910d53ff2929e2d70d336b8e808d4d7e37f90d157e2747b744eb19b451aba2a0985022207a68ff50dcbd8cdef5e1f50a |
C:\Users\Admin\AppData\Local\Temp\benting
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/2312-28-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2312-29-0x00000000753FE000-0x00000000753FF000-memory.dmp
memory/2312-30-0x00000000050C0000-0x0000000005664000-memory.dmp
memory/2312-31-0x0000000004A80000-0x0000000004AE6000-memory.dmp
memory/2312-32-0x00000000753F0000-0x0000000075BA0000-memory.dmp
memory/2312-33-0x0000000005E70000-0x0000000005EC0000-memory.dmp
memory/2312-34-0x0000000005F60000-0x0000000005FF2000-memory.dmp
memory/2312-35-0x0000000005F00000-0x0000000005F0A000-memory.dmp
memory/2312-36-0x00000000753FE000-0x00000000753FF000-memory.dmp
memory/2312-37-0x00000000753F0000-0x0000000075BA0000-memory.dmp