Analysis
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max time kernel
97s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
23-06-2022 14:35
Static task
static1
Behavioral task
behavioral1
Sample
948-60-0x00000000051D0000-0x000000000520C000-memory.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
948-60-0x00000000051D0000-0x000000000520C000-memory.exe
Resource
win10v2004-20220414-en
General
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Target
948-60-0x00000000051D0000-0x000000000520C000-memory.exe
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Size
240KB
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MD5
ab2112c2bbf398efceae34d2731858f4
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SHA1
f9ed6b6ae619164ea3c83bc1ce97a49d9cc33515
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SHA256
18cabfab79744d74159ef9ef33818f5b4e7359285d5e150db4e1e09e2f70bfe3
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SHA512
37b128594cb820f7dfe3e2279507684b64640464fecc1124acd37451a6ffb30099eec155b77da8713c57ac006cc024fe6ec0037090d2e5d5b1f769831eec5420
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
qlRYaFn8
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/4280-130-0x0000000000AF0000-0x0000000000B2C000-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:
948-60-0x00000000051D0000-0x000000000520C000-memory.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 948-60-0x00000000051D0000-0x000000000520C000-memory.exe Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 948-60-0x00000000051D0000-0x000000000520C000-memory.exe Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 948-60-0x00000000051D0000-0x000000000520C000-memory.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
948-60-0x00000000051D0000-0x000000000520C000-memory.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xWBWc = "C:\\Users\\Admin\\AppData\\Roaming\\xWBWc\\xWBWc.exe" 948-60-0x00000000051D0000-0x000000000520C000-memory.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
948-60-0x00000000051D0000-0x000000000520C000-memory.exepid process 4280 948-60-0x00000000051D0000-0x000000000520C000-memory.exe 4280 948-60-0x00000000051D0000-0x000000000520C000-memory.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
948-60-0x00000000051D0000-0x000000000520C000-memory.exedescription pid process Token: SeDebugPrivilege 4280 948-60-0x00000000051D0000-0x000000000520C000-memory.exe -
outlook_office_path 1 IoCs
Processes:
948-60-0x00000000051D0000-0x000000000520C000-memory.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 948-60-0x00000000051D0000-0x000000000520C000-memory.exe -
outlook_win_path 1 IoCs
Processes:
948-60-0x00000000051D0000-0x000000000520C000-memory.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 948-60-0x00000000051D0000-0x000000000520C000-memory.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\948-60-0x00000000051D0000-0x000000000520C000-memory.exe"C:\Users\Admin\AppData\Local\Temp\948-60-0x00000000051D0000-0x000000000520C000-memory.exe"1⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4280
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/4280-130-0x0000000000AF0000-0x0000000000B2C000-memory.dmpFilesize
240KB
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memory/4280-131-0x0000000005A70000-0x0000000006014000-memory.dmpFilesize
5.6MB
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memory/4280-132-0x0000000005560000-0x00000000055F2000-memory.dmpFilesize
584KB
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memory/4280-133-0x00000000056F0000-0x000000000578C000-memory.dmpFilesize
624KB
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memory/4280-134-0x00000000063D0000-0x0000000006436000-memory.dmpFilesize
408KB
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memory/4280-135-0x0000000006640000-0x0000000006690000-memory.dmpFilesize
320KB
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memory/4280-136-0x0000000001290000-0x000000000129A000-memory.dmpFilesize
40KB