Analysis Overview
SHA256
b772162c5b510c5427be045abfdc43c29756217e2ed924ce4c4388bd457a4987
Threat Level: Known bad
The file z27FACTURA09654700.BAT.exe was found to be: Known bad.
Malicious Activity Summary
AgentTesla
Loads dropped DLL
Drops startup file
Executes dropped EXE
Looks up external IP address via web service
AutoIT Executable
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-06-17 16:48
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: behavioral2
Detonation Overview
Submitted
2024-06-17 16:48
Reported
2024-06-17 16:50
Platform
win10v2004-20240611-en
Max time kernel
90s
Max time network
143s
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 4344 set thread context of 1664 | 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 |
| 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\z27FACTURA09654700.BAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\z27FACTURA09654700.BAT.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\z27FACTURA09654700.BAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\z27FACTURA09654700.BAT.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\z27FACTURA09654700.BAT.exe
"C:\Users\Admin\AppData\Local\Temp\z27FACTURA09654700.BAT.exe"
C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe
"C:\Users\Admin\AppData\Local\Temp\z27FACTURA09654700.BAT.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\z27FACTURA09654700.BAT.exe"
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 | 23.41.178.82:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.178.41.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.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 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
Files
memory/3620-10-0x0000000002870000-0x0000000002874000-memory.dmp
C:\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/1664-28-0x00000000001B0000-0x00000000001F2000-memory.dmp
memory/1664-29-0x000000007476E000-0x000000007476F000-memory.dmp
memory/1664-30-0x0000000005150000-0x00000000056F4000-memory.dmp
memory/1664-31-0x0000000004C10000-0x0000000004C76000-memory.dmp
memory/1664-32-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/1664-33-0x0000000005F40000-0x0000000005F90000-memory.dmp
memory/1664-34-0x0000000006030000-0x00000000060C2000-memory.dmp
memory/1664-35-0x0000000005FB0000-0x0000000005FBA000-memory.dmp
memory/1664-36-0x000000007476E000-0x000000007476F000-memory.dmp
memory/1664-37-0x0000000074760000-0x0000000074F10000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-17 16:48
Reported
2024-06-17 16:50
Platform
win7-20231129-en
Max time kernel
119s
Max time network
121s
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\z27FACTURA09654700.BAT.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.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 1388 set thread context of 1212 | N/A | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\obtenebrate\corynteria.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\z27FACTURA09654700.BAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\z27FACTURA09654700.BAT.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\z27FACTURA09654700.BAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\z27FACTURA09654700.BAT.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\z27FACTURA09654700.BAT.exe
"C:\Users\Admin\AppData\Local\Temp\z27FACTURA09654700.BAT.exe"
C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe
"C:\Users\Admin\AppData\Local\Temp\z27FACTURA09654700.BAT.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\z27FACTURA09654700.BAT.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 320
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/1908-10-0x0000000000120000-0x0000000000124000-memory.dmp
\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/1212-30-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1212-33-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1212-34-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1212-39-0x0000000073BCE000-0x0000000073BCF000-memory.dmp
memory/1212-41-0x0000000073BC0000-0x00000000742AE000-memory.dmp
memory/1212-42-0x0000000073BCE000-0x0000000073BCF000-memory.dmp
memory/1212-43-0x0000000073BC0000-0x00000000742AE000-memory.dmp