Analysis
- max time kernel
127s - max time network
119s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
13/10/2021, 09:18
Static task
static1
Behavioral task
behavioral1
Sample
Swift copy.exe
Resource
win7-en-20210920
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Swift copy.exe
Resource
win10v20210408
0 signatures
0 seconds
General
- Target Swift copy.exe
- Size 523KB
- Sample211013-k9mprsdgh5
- SHA256 4fb5377736624d79dfce363b511b8ea682556789140aa24a7045553eb237bc05
- MD5 e72cfc505a04738c223b68891648a3a6
- SHA1 83e41cc20431e1a4a09e8bf1a851327fc5dd417a
- SHA512 d4beee29bf68ec475d062e324f43ea07ea4e0faa65b87c009dcaafc4cc4faa0ae8f83684d593b01292f47a9f9602522e0b622783c41630d6996f9c42a29b7ef9
- 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 5 IoCs
resource yara_rule behavioral1/memory/536-61-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/536-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/536-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/536-64-0x000000000043760E-mapping.dmp family_agenttesla behavioral1/memory/536-65-0x0000000000400000-0x000000000043C000-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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\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-1-5-21-3456797065-1076791440-4146276586-1000\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 1128 set thread context of 536 1128 Swift copy.exe 27 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1128 Swift copy.exe 1128 Swift copy.exe 536 RegSvcs.exe 536 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1128 Swift copy.exe Token: SeDebugPrivilege 536 RegSvcs.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1128 wrote to memory of 536 1128 Swift copy.exe 27 PID 1128 wrote to memory of 536 1128 Swift copy.exe 27 PID 1128 wrote to memory of 536 1128 Swift copy.exe 27 PID 1128 wrote to memory of 536 1128 Swift copy.exe 27 PID 1128 wrote to memory of 536 1128 Swift copy.exe 27 PID 1128 wrote to memory of 536 1128 Swift copy.exe 27 PID 1128 wrote to memory of 536 1128 Swift copy.exe 27 PID 1128 wrote to memory of 536 1128 Swift copy.exe 27 PID 1128 wrote to memory of 536 1128 Swift copy.exe 27 PID 1128 wrote to memory of 536 1128 Swift copy.exe 27 PID 1128 wrote to memory of 536 1128 Swift copy.exe 27 PID 1128 wrote to memory of 536 1128 Swift copy.exe 27 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Swift copy.exe"C:\Users\Admin\AppData\Local\Temp\Swift copy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128 -
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:536
-