Analysis
- max time kernel
139s - max time network
133s - platform
windows10_x64 - resource
win10v20210408 - submitted
14/10/2021, 03:29
Static task
static1
Behavioral task
behavioral1
Sample
sale order.exe
Resource
win7-en-20210920
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
sale order.exe
Resource
win10v20210408
0 signatures
0 seconds
General
- Target sale order.exe
- Size 376KB
- Sample211014-d1xeaafhb2
- SHA256 81c6ab8a5c8ea969d37b9b55d052cf8b352109f1d7e85e1115570f54e542b7c2
- MD5 9d3fe8ed9fd927c91dd268f70a4c20b9
- SHA1 0f0fe91255fd8af65bc2c03eb4ac63c888e600c9
- SHA512 f10468df2a885d3f3141280721d9365d72e91bcfb5d97ac6cf7ea3399c603da1c23a62a34c6d9801ca835e3ee46b050a1047dc3ab53680603316d93dc749f63e
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
sg2plcpnl0023.prod.sin2.secureserver.net
-
Port
587
-
Username
-
Password
User@40378
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral2/memory/3768-123-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3768-124-0x000000000043760E-mapping.dmp family_agenttesla behavioral2/memory/3768-129-0x0000000004F60000-0x000000000545E000-memory.dmp family_agenttesla behavioral2/memory/3768-134-0x0000000004F60000-0x000000000545E000-memory.dmp family_agenttesla - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe" RegSvcs.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 568 set thread context of 3768 568 sale order.exe 75 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 568 sale order.exe 568 sale order.exe 3768 RegSvcs.exe 3768 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 568 sale order.exe Token: SeDebugPrivilege 3768 RegSvcs.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 568 wrote to memory of 3768 568 sale order.exe 75 PID 568 wrote to memory of 3768 568 sale order.exe 75 PID 568 wrote to memory of 3768 568 sale order.exe 75 PID 568 wrote to memory of 3768 568 sale order.exe 75 PID 568 wrote to memory of 3768 568 sale order.exe 75 PID 568 wrote to memory of 3768 568 sale order.exe 75 PID 568 wrote to memory of 3768 568 sale order.exe 75 PID 568 wrote to memory of 3768 568 sale order.exe 75 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\sale order.exe"C:\Users\Admin\AppData\Local\Temp\sale order.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:568 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3768
-