Analysis
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max time kernel
124s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 00:25
Static task
static1
Behavioral task
behavioral1
Sample
CvLcJcAjI2qE7PC.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
CvLcJcAjI2qE7PC.exe
Resource
win10v2004-20220414-en
General
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Target
CvLcJcAjI2qE7PC.exe
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Size
759KB
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MD5
f53e16683cf99b5f4fea1a92663649b8
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SHA1
40a48b027e0285be2d7f3ec13972d2a43b789275
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SHA256
d46f5dde6c8522b2720eb3f72e3a78853fed2683844610e8fe7b774629b0a33a
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SHA512
04d997dd7ec311e8237656388882f6f005f85a57adba3a98101de08e57421cd0deee1761d845868800dc455e4ce1f2a9626ef05acf90f5d8a653ec8eae960f52
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.sardaplywood.com - Port:
587 - Username:
[email protected] - Password:
sup123st45
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1940-59-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1940-60-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1940-61-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1940-62-0x0000000000454ACE-mapping.dmp family_agenttesla behavioral1/memory/1940-64-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1940-66-0x0000000000400000-0x000000000045A000-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:
CvLcJcAjI2qE7PC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CvLcJcAjI2qE7PC.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CvLcJcAjI2qE7PC.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CvLcJcAjI2qE7PC.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
CvLcJcAjI2qE7PC.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\mRqYGl = "C:\\Users\\Admin\\AppData\\Roaming\\mRqYGl\\mRqYGl.exe" CvLcJcAjI2qE7PC.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
CvLcJcAjI2qE7PC.exedescription pid process target process PID 1884 set thread context of 1940 1884 CvLcJcAjI2qE7PC.exe CvLcJcAjI2qE7PC.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
CvLcJcAjI2qE7PC.exeCvLcJcAjI2qE7PC.exepid process 1884 CvLcJcAjI2qE7PC.exe 1884 CvLcJcAjI2qE7PC.exe 1884 CvLcJcAjI2qE7PC.exe 1884 CvLcJcAjI2qE7PC.exe 1884 CvLcJcAjI2qE7PC.exe 1940 CvLcJcAjI2qE7PC.exe 1940 CvLcJcAjI2qE7PC.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
CvLcJcAjI2qE7PC.exepid process 1940 CvLcJcAjI2qE7PC.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
CvLcJcAjI2qE7PC.exeCvLcJcAjI2qE7PC.exedescription pid process Token: SeDebugPrivilege 1884 CvLcJcAjI2qE7PC.exe Token: SeDebugPrivilege 1940 CvLcJcAjI2qE7PC.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
CvLcJcAjI2qE7PC.exepid process 1940 CvLcJcAjI2qE7PC.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
CvLcJcAjI2qE7PC.exedescription pid process target process PID 1884 wrote to memory of 1940 1884 CvLcJcAjI2qE7PC.exe CvLcJcAjI2qE7PC.exe PID 1884 wrote to memory of 1940 1884 CvLcJcAjI2qE7PC.exe CvLcJcAjI2qE7PC.exe PID 1884 wrote to memory of 1940 1884 CvLcJcAjI2qE7PC.exe CvLcJcAjI2qE7PC.exe PID 1884 wrote to memory of 1940 1884 CvLcJcAjI2qE7PC.exe CvLcJcAjI2qE7PC.exe PID 1884 wrote to memory of 1940 1884 CvLcJcAjI2qE7PC.exe CvLcJcAjI2qE7PC.exe PID 1884 wrote to memory of 1940 1884 CvLcJcAjI2qE7PC.exe CvLcJcAjI2qE7PC.exe PID 1884 wrote to memory of 1940 1884 CvLcJcAjI2qE7PC.exe CvLcJcAjI2qE7PC.exe PID 1884 wrote to memory of 1940 1884 CvLcJcAjI2qE7PC.exe CvLcJcAjI2qE7PC.exe PID 1884 wrote to memory of 1940 1884 CvLcJcAjI2qE7PC.exe CvLcJcAjI2qE7PC.exe -
outlook_office_path 1 IoCs
Processes:
CvLcJcAjI2qE7PC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CvLcJcAjI2qE7PC.exe -
outlook_win_path 1 IoCs
Processes:
CvLcJcAjI2qE7PC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CvLcJcAjI2qE7PC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\CvLcJcAjI2qE7PC.exe"C:\Users\Admin\AppData\Local\Temp\CvLcJcAjI2qE7PC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\CvLcJcAjI2qE7PC.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1884-54-0x0000000075E51000-0x0000000075E53000-memory.dmpFilesize
8KB
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memory/1884-55-0x0000000074590000-0x0000000074B3B000-memory.dmpFilesize
5.7MB
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memory/1940-56-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1940-57-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1940-59-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1940-60-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1940-61-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1940-62-0x0000000000454ACE-mapping.dmp
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memory/1940-64-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1940-66-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1940-68-0x0000000074590000-0x0000000074B3B000-memory.dmpFilesize
5.7MB