Analysis
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max time kernel
70s -
max time network
57s -
platform
windows7_x64 -
resource
win7-20220715-en -
resource tags
arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system -
submitted
05-08-2022 09:05
Static task
static1
Behavioral task
behavioral1
Sample
de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exe
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exe
Resource
win10v2004-20220722-en
General
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Target
de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exe
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Size
222KB
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MD5
f8b75a887b9774203f7d77de434f40ea
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SHA1
e19add1ef9b87ef54de6870b229cfbcaaeddb0fa
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SHA256
de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3
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SHA512
d147d34dfa0e4e2544dc1971e490e6242e3ec43410d6ce8e80edbaeb1c112dc2ebb586ff265e56f2f96b177fc538362d3d38ee6d98ea3a5297174fd3e05667b6
Malware Config
Extracted
Protocol: smtp- Host:
mail.tycautomotriz.cl - Port:
587 - Username:
contacto@tycautomotriz.cl - Password:
tycautomotriz2020
Extracted
agenttesla
Protocol: smtp- Host:
mail.tycautomotriz.cl - Port:
587 - Username:
contacto@tycautomotriz.cl - Password:
tycautomotriz2020 - Email To:
cri.sigrna@gmail.com
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-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe Key opened \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe Key opened \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exedescription pid process target process PID 288 set thread context of 1916 288 de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exe cvtres.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
cvtres.exepid process 1916 cvtres.exe 1916 cvtres.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
cvtres.exedescription pid process Token: SeDebugPrivilege 1916 cvtres.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exedescription pid process target process PID 288 wrote to memory of 1916 288 de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exe cvtres.exe PID 288 wrote to memory of 1916 288 de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exe cvtres.exe PID 288 wrote to memory of 1916 288 de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exe cvtres.exe PID 288 wrote to memory of 1916 288 de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exe cvtres.exe PID 288 wrote to memory of 1916 288 de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exe cvtres.exe PID 288 wrote to memory of 1916 288 de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exe cvtres.exe PID 288 wrote to memory of 1916 288 de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exe cvtres.exe PID 288 wrote to memory of 1916 288 de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exe cvtres.exe PID 288 wrote to memory of 1916 288 de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exe cvtres.exe -
outlook_office_path 1 IoCs
Processes:
cvtres.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\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-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exe"C:\Users\Admin\AppData\Local\Temp\de373cb42386f956133546049fa24b0ec459a78c7e667c9d05c366c198b680b3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/288-54-0x00000000008C0000-0x00000000008FA000-memory.dmpFilesize
232KB
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memory/288-55-0x00000000004F0000-0x000000000051E000-memory.dmpFilesize
184KB
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memory/1916-56-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
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memory/1916-57-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
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memory/1916-59-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
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memory/1916-60-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
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memory/1916-62-0x00000000004357DE-mapping.dmp
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memory/1916-61-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
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memory/1916-64-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
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memory/1916-66-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
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memory/1916-67-0x0000000075CD1000-0x0000000075CD3000-memory.dmpFilesize
8KB