Analysis
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max time kernel
73s -
max time network
55s -
platform
windows7_x64 -
resource
win7 -
submitted
10-07-2020 05:53
Static task
static1
Behavioral task
behavioral1
Sample
40m9xBIQSXs8owP.exe
Resource
win7
Behavioral task
behavioral2
Sample
40m9xBIQSXs8owP.exe
Resource
win10v200430
General
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Target
40m9xBIQSXs8owP.exe
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Size
737KB
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MD5
bd0ed34192d7ffd878ee4b12f8959b7f
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SHA1
5fd9d5265265c51bd2479d0d6b0e091d781a8b01
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SHA256
c8bfc4f69bf05fb34da25259cf0fe100b8311b8500c2cac5d4e08063698c291f
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SHA512
63151f41ca02a43a1d210f58dc9c9a1c485e12524267c452b677d4d69670001122589fa1bf824155d5a4617491449d00946f8444e2630c0a73e9ac3156279a98
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.mehatinfo.com - Port:
587 - Username:
[email protected] - Password:
%tX~,JZfRhAe
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/748-0-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/748-1-0x0000000000446E5E-mapping.dmp family_agenttesla behavioral1/memory/748-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/748-3-0x0000000000400000-0x000000000044C000-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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Suspicious use of SetThreadContext 1 IoCs
Processes:
40m9xBIQSXs8owP.exedescription pid process target process PID 672 set thread context of 748 672 40m9xBIQSXs8owP.exe 40m9xBIQSXs8owP.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
40m9xBIQSXs8owP.exepid process 748 40m9xBIQSXs8owP.exe 748 40m9xBIQSXs8owP.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
40m9xBIQSXs8owP.exedescription pid process Token: SeDebugPrivilege 748 40m9xBIQSXs8owP.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
40m9xBIQSXs8owP.exedescription pid process target process PID 672 wrote to memory of 748 672 40m9xBIQSXs8owP.exe 40m9xBIQSXs8owP.exe PID 672 wrote to memory of 748 672 40m9xBIQSXs8owP.exe 40m9xBIQSXs8owP.exe PID 672 wrote to memory of 748 672 40m9xBIQSXs8owP.exe 40m9xBIQSXs8owP.exe PID 672 wrote to memory of 748 672 40m9xBIQSXs8owP.exe 40m9xBIQSXs8owP.exe PID 672 wrote to memory of 748 672 40m9xBIQSXs8owP.exe 40m9xBIQSXs8owP.exe PID 672 wrote to memory of 748 672 40m9xBIQSXs8owP.exe 40m9xBIQSXs8owP.exe PID 672 wrote to memory of 748 672 40m9xBIQSXs8owP.exe 40m9xBIQSXs8owP.exe PID 672 wrote to memory of 748 672 40m9xBIQSXs8owP.exe 40m9xBIQSXs8owP.exe PID 672 wrote to memory of 748 672 40m9xBIQSXs8owP.exe 40m9xBIQSXs8owP.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\40m9xBIQSXs8owP.exe"C:\Users\Admin\AppData\Local\Temp\40m9xBIQSXs8owP.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:672 -
C:\Users\Admin\AppData\Local\Temp\40m9xBIQSXs8owP.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:748