Analysis
-
max time kernel
93s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 11:40
Static task
static1
Behavioral task
behavioral1
Sample
rPU6Tej8gJmdkOy.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
rPU6Tej8gJmdkOy.exe
Resource
win10v2004-20220414-en
General
-
Target
rPU6Tej8gJmdkOy.exe
-
Size
805KB
-
MD5
d900a643563f70772677b6b76694e2c6
-
SHA1
03e4f662e619d5e93dbc39c0d8d19963b32792dd
-
SHA256
80d3f66ba9b603c7f90d3303718763b736e8cfa76f676ff4a57db67b96610dc6
-
SHA512
b7bce0c39311d123cb1ca5d8275924b69d97b94aaee9db940d19b508f15dad87c241bfcc14671b628a203b5d41de784be92f449c4d4196f68625db6a013e747c
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.iykesgroupco.com - Port:
587 - Username:
[email protected] - Password:
Jc@ahzS7
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4904-137-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
rPU6Tej8gJmdkOy.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rPU6Tej8gJmdkOy.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rPU6Tej8gJmdkOy.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rPU6Tej8gJmdkOy.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
rPU6Tej8gJmdkOy.exedescription pid process target process PID 4684 set thread context of 4904 4684 rPU6Tej8gJmdkOy.exe rPU6Tej8gJmdkOy.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rPU6Tej8gJmdkOy.exepid process 4904 rPU6Tej8gJmdkOy.exe 4904 rPU6Tej8gJmdkOy.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
rPU6Tej8gJmdkOy.exedescription pid process Token: SeDebugPrivilege 4904 rPU6Tej8gJmdkOy.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
rPU6Tej8gJmdkOy.exedescription pid process target process PID 4684 wrote to memory of 4904 4684 rPU6Tej8gJmdkOy.exe rPU6Tej8gJmdkOy.exe PID 4684 wrote to memory of 4904 4684 rPU6Tej8gJmdkOy.exe rPU6Tej8gJmdkOy.exe PID 4684 wrote to memory of 4904 4684 rPU6Tej8gJmdkOy.exe rPU6Tej8gJmdkOy.exe PID 4684 wrote to memory of 4904 4684 rPU6Tej8gJmdkOy.exe rPU6Tej8gJmdkOy.exe PID 4684 wrote to memory of 4904 4684 rPU6Tej8gJmdkOy.exe rPU6Tej8gJmdkOy.exe PID 4684 wrote to memory of 4904 4684 rPU6Tej8gJmdkOy.exe rPU6Tej8gJmdkOy.exe PID 4684 wrote to memory of 4904 4684 rPU6Tej8gJmdkOy.exe rPU6Tej8gJmdkOy.exe PID 4684 wrote to memory of 4904 4684 rPU6Tej8gJmdkOy.exe rPU6Tej8gJmdkOy.exe -
outlook_office_path 1 IoCs
Processes:
rPU6Tej8gJmdkOy.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rPU6Tej8gJmdkOy.exe -
outlook_win_path 1 IoCs
Processes:
rPU6Tej8gJmdkOy.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rPU6Tej8gJmdkOy.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\rPU6Tej8gJmdkOy.exe"C:\Users\Admin\AppData\Local\Temp\rPU6Tej8gJmdkOy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Users\Admin\AppData\Local\Temp\rPU6Tej8gJmdkOy.exe"C:\Users\Admin\AppData\Local\Temp\rPU6Tej8gJmdkOy.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4904
-