Analysis
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max time kernel
137s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2023 01:53
Static task
static1
Behavioral task
behavioral1
Sample
1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exe
Resource
win7-20231201-en
Behavioral task
behavioral2
Sample
1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exe
Resource
win10v2004-20231127-en
General
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Target
1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exe
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Size
997KB
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MD5
e0bf5c50fdec6e23721798acf56c7e8f
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SHA1
0976d0d91a0ad285a027f526cd6451a5db7943c1
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SHA256
1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef
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SHA512
bee98559adab3c2932b65658fed0ebe11690198c7192c17281df127ce07cddff0542c04e393eb3546059f8ecc7c8fd19261bb2fcdf24c526938609e886f6cca6
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SSDEEP
24576:7xizBcjENqXUFGEq3ezspBR0TJqwfFH4nLxwpdxAix29C:OBcuvPnCjQqwNHExw7G99C
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-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe Key opened \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe Key opened \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exedescription pid process target process PID 412 set thread context of 3884 412 1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exe cvtres.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
cvtres.exepid process 3884 cvtres.exe 3884 cvtres.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
cvtres.exedescription pid process Token: SeDebugPrivilege 3884 cvtres.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exedescription pid process target process PID 412 wrote to memory of 3884 412 1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exe cvtres.exe PID 412 wrote to memory of 3884 412 1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exe cvtres.exe PID 412 wrote to memory of 3884 412 1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exe cvtres.exe PID 412 wrote to memory of 3884 412 1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exe cvtres.exe PID 412 wrote to memory of 3884 412 1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exe cvtres.exe PID 412 wrote to memory of 3884 412 1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exe cvtres.exe PID 412 wrote to memory of 3884 412 1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exe cvtres.exe PID 412 wrote to memory of 3884 412 1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exe cvtres.exe -
outlook_office_path 1 IoCs
Processes:
cvtres.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\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-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exe"C:\Users\Admin\AppData\Local\Temp\1a321cfb8647c14d3ff24d20572ea1165e3e07251751ac485d8d2fbb3ac111ef.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:412 -
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:3884