Analysis
- max time kernel
137s - max time network
124s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
27/10/2021, 04:27
Static task
static1
Behavioral task
behavioral1
Sample
noah.exe
Resource
win7-en-20210920
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
noah.exe
Resource
win10-en-20211014
0 signatures
0 seconds
General
- Target noah.exe
- Size 536KB
- Sample211027-e24enaafa9
- SHA256 2802d7f97fcd74185e73ffc2f3b25b88bd0198a19828b081e13696bfccde07d7
- MD5 98dab47b1307d8de1a0b10b70ac7ce3e
- SHA1 f9ae2d7bb448a46b7ebc5c2ee35f3d9e33280cf6
- SHA512 d5844d7098ae6577c79b91ae65c975be71155a17098267469010a737606e66f26b7dfe4b2ecea1faae00a38a72415651390e3c502c4832709d076816b494ff61
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.upgcambodia.com
-
Port
587
-
Username
-
Password
stock3168
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 5 IoCs
resource yara_rule behavioral1/memory/1832-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1832-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1832-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1832-65-0x000000000043761E-mapping.dmp family_agenttesla behavioral1/memory/1832-66-0x0000000000400000-0x000000000043C000-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\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 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 - 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 584 set thread context of 1832 584 noah.exe 28 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 584 noah.exe 584 noah.exe 1832 RegSvcs.exe 1832 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 584 noah.exe Token: SeDebugPrivilege 1832 RegSvcs.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 584 wrote to memory of 1832 584 noah.exe 28 PID 584 wrote to memory of 1832 584 noah.exe 28 PID 584 wrote to memory of 1832 584 noah.exe 28 PID 584 wrote to memory of 1832 584 noah.exe 28 PID 584 wrote to memory of 1832 584 noah.exe 28 PID 584 wrote to memory of 1832 584 noah.exe 28 PID 584 wrote to memory of 1832 584 noah.exe 28 PID 584 wrote to memory of 1832 584 noah.exe 28 PID 584 wrote to memory of 1832 584 noah.exe 28 PID 584 wrote to memory of 1832 584 noah.exe 28 PID 584 wrote to memory of 1832 584 noah.exe 28 PID 584 wrote to memory of 1832 584 noah.exe 28 - 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\noah.exe"C:\Users\Admin\AppData\Local\Temp\noah.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:584 -
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:1832
-