Analysis
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max time kernel
133s -
max time network
122s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
20-10-2021 04:06
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe
Resource
win10-en-20211014
General
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Target
SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe
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Size
471KB
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MD5
acfec59788ef7b27e7bf1a76737070ce
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SHA1
69f13032f27ed80787bf0ef46c9ba7afe20b5ca4
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SHA256
8ef9fa2906743f48e2cebc330e9d609e2c62baf0b37a025d4816d6202add22bf
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SHA512
e130af3095c47e325d0d7b40df819a240840287025d626a6dcd3a6270bbb35229e52c82f79be19fdc176ad1e621953b52e1c799eb46f8cb0fb265baf9aeced67
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.davaobay.com.ph - Port:
587 - Username:
[email protected] - Password:
p@ssw0rd
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1160-61-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1160-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1160-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1160-64-0x00000000004376CE-mapping.dmp family_agenttesla behavioral1/memory/1160-65-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe -
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:
SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\tKZVPq = "C:\\Users\\Admin\\AppData\\Roaming\\tKZVPq\\tKZVPq.exe" SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exedescription pid process target process PID 1324 set thread context of 1160 1324 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exepid process 1160 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe 1160 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exedescription pid process Token: SeDebugPrivilege 1160 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exedescription pid process target process PID 1324 wrote to memory of 1160 1324 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe PID 1324 wrote to memory of 1160 1324 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe PID 1324 wrote to memory of 1160 1324 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe PID 1324 wrote to memory of 1160 1324 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe PID 1324 wrote to memory of 1160 1324 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe PID 1324 wrote to memory of 1160 1324 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe PID 1324 wrote to memory of 1160 1324 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe PID 1324 wrote to memory of 1160 1324 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe PID 1324 wrote to memory of 1160 1324 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe -
outlook_office_path 1 IoCs
Processes:
SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe -
outlook_win_path 1 IoCs
Processes:
SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1324 -
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1160
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