Analysis
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max time kernel
159s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 22:18
Static task
static1
Behavioral task
behavioral1
Sample
YdvJnnnDX0FUKjI.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
YdvJnnnDX0FUKjI.exe
Resource
win10v2004-20220414-en
General
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Target
YdvJnnnDX0FUKjI.exe
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Size
290KB
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MD5
1795c0e7a5c67752a3e13c5a0f6ce9af
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SHA1
509635b13636a2b0dc5308270fbabfdfa4e0a020
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SHA256
6fae5955bfeac6e762f65fabedb2be2fdcd385347e6b9db19825096ee2ebd9a1
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SHA512
ed7384717a3c6c63b53188b73a46c57058f4bd327c14fb11f23ae7e8c42cf7f63a7e0aef6914cc08301b4615d3f3d9d87c56037a37e4e57269e63703d53683d2
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.arhigraf.ro - Port:
587 - Username:
[email protected] - Password:
kH~2kU(;kEtR
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4520-135-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
YdvJnnnDX0FUKjI.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 YdvJnnnDX0FUKjI.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 YdvJnnnDX0FUKjI.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 YdvJnnnDX0FUKjI.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
YdvJnnnDX0FUKjI.exedescription pid process target process PID 1832 set thread context of 4520 1832 YdvJnnnDX0FUKjI.exe YdvJnnnDX0FUKjI.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
YdvJnnnDX0FUKjI.exepid process 4520 YdvJnnnDX0FUKjI.exe 4520 YdvJnnnDX0FUKjI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
YdvJnnnDX0FUKjI.exedescription pid process Token: SeDebugPrivilege 4520 YdvJnnnDX0FUKjI.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
YdvJnnnDX0FUKjI.exedescription pid process target process PID 1832 wrote to memory of 4520 1832 YdvJnnnDX0FUKjI.exe YdvJnnnDX0FUKjI.exe PID 1832 wrote to memory of 4520 1832 YdvJnnnDX0FUKjI.exe YdvJnnnDX0FUKjI.exe PID 1832 wrote to memory of 4520 1832 YdvJnnnDX0FUKjI.exe YdvJnnnDX0FUKjI.exe PID 1832 wrote to memory of 4520 1832 YdvJnnnDX0FUKjI.exe YdvJnnnDX0FUKjI.exe PID 1832 wrote to memory of 4520 1832 YdvJnnnDX0FUKjI.exe YdvJnnnDX0FUKjI.exe PID 1832 wrote to memory of 4520 1832 YdvJnnnDX0FUKjI.exe YdvJnnnDX0FUKjI.exe PID 1832 wrote to memory of 4520 1832 YdvJnnnDX0FUKjI.exe YdvJnnnDX0FUKjI.exe PID 1832 wrote to memory of 4520 1832 YdvJnnnDX0FUKjI.exe YdvJnnnDX0FUKjI.exe -
outlook_office_path 1 IoCs
Processes:
YdvJnnnDX0FUKjI.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 YdvJnnnDX0FUKjI.exe -
outlook_win_path 1 IoCs
Processes:
YdvJnnnDX0FUKjI.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 YdvJnnnDX0FUKjI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\YdvJnnnDX0FUKjI.exe"C:\Users\Admin\AppData\Local\Temp\YdvJnnnDX0FUKjI.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Users\Admin\AppData\Local\Temp\YdvJnnnDX0FUKjI.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4520