Analysis
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max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
02-12-2023 02:34
Static task
static1
Behavioral task
behavioral1
Sample
20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe
Resource
win10v2004-20231127-en
General
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Target
20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe
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Size
998KB
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MD5
af2ed6f886c753e5cfe47b27be56982d
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SHA1
d6a58c9821b751fab07604371494f01f32ef3353
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SHA256
20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3
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SHA512
89a981aeea6390fe80715971fab5dbf65acfc75772bf2c77e01ea81a66d38089d201e2a2745764a19f04530a04ed542bb204efb39cd610e8268fdb1f3b33d985
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SSDEEP
24576:jGY8lFbhTzVsoRgETNXLJzUhIpP4I43Z8QxOBya/p55z:CYAtsoRNNtzjd4IkZ5Eyaxz
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.siscop.com.co - Port:
21 - Username:
[email protected] - Password:
+5s48Ia2&-(t
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
cvtres.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe Key opened \REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe Key opened \REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exedescription pid process target process PID 1108 set thread context of 2732 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe cvtres.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.execvtres.exepid process 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe 2732 cvtres.exe 2732 cvtres.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.execvtres.exedescription pid process Token: SeDebugPrivilege 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe Token: SeDebugPrivilege 2732 cvtres.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exedescription pid process target process PID 1108 wrote to memory of 1696 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe cvtres.exe PID 1108 wrote to memory of 1696 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe cvtres.exe PID 1108 wrote to memory of 1696 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe cvtres.exe PID 1108 wrote to memory of 1696 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe cvtres.exe PID 1108 wrote to memory of 2732 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe cvtres.exe PID 1108 wrote to memory of 2732 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe cvtres.exe PID 1108 wrote to memory of 2732 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe cvtres.exe PID 1108 wrote to memory of 2732 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe cvtres.exe PID 1108 wrote to memory of 2732 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe cvtres.exe PID 1108 wrote to memory of 2732 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe cvtres.exe PID 1108 wrote to memory of 2732 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe cvtres.exe PID 1108 wrote to memory of 2732 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe cvtres.exe PID 1108 wrote to memory of 2732 1108 20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe cvtres.exe -
outlook_office_path 1 IoCs
Processes:
cvtres.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe -
outlook_win_path 1 IoCs
Processes:
cvtres.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe"C:\Users\Admin\AppData\Local\Temp\20659452fc7fd09a2f1f315224a9c08e1ad69c40f0412c47ee16ea4a02fa5fe3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"2⤵PID:1696
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2732