Analysis
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max time kernel
61s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
29-03-2023 18:57
Static task
static1
Behavioral task
behavioral1
Sample
738de6017ca3733fa2d8899a9c64d53a.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
738de6017ca3733fa2d8899a9c64d53a.exe
Resource
win10v2004-20230221-en
General
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Target
738de6017ca3733fa2d8899a9c64d53a.exe
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Size
1000KB
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MD5
738de6017ca3733fa2d8899a9c64d53a
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SHA1
13c0bae96872436a314b5bb11d9caa8a870bf9f4
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SHA256
c33b7b4e1ca47c199ebc7f0027fe163489a0b5bd872206e853ab6779362ee747
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SHA512
746ba252658115d37dd9701f5000ce3ac82f64c6d289fd509bc2b5fd9ba61c5d9b812cc38f0e60ff946bdfbb4babb131619777e46f79cb47aa2aec03bbf46dc3
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SSDEEP
24576:/Q12zVZ97cXwdfR++/CMO2bcEBYBIBTKC/hEh:/QAR379dsMlO2bcEBYBO/h
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.valvulasthermovalve.cl - Port:
21 - Username:
[email protected] - Password:
LILKOOLL14!!
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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:
738de6017ca3733fa2d8899a9c64d53a.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 738de6017ca3733fa2d8899a9c64d53a.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 738de6017ca3733fa2d8899a9c64d53a.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 738de6017ca3733fa2d8899a9c64d53a.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
738de6017ca3733fa2d8899a9c64d53a.exedescription pid process target process PID 1212 set thread context of 296 1212 738de6017ca3733fa2d8899a9c64d53a.exe 738de6017ca3733fa2d8899a9c64d53a.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
738de6017ca3733fa2d8899a9c64d53a.exedescription pid process Token: SeDebugPrivilege 296 738de6017ca3733fa2d8899a9c64d53a.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
738de6017ca3733fa2d8899a9c64d53a.exedescription pid process target process PID 1212 wrote to memory of 296 1212 738de6017ca3733fa2d8899a9c64d53a.exe 738de6017ca3733fa2d8899a9c64d53a.exe PID 1212 wrote to memory of 296 1212 738de6017ca3733fa2d8899a9c64d53a.exe 738de6017ca3733fa2d8899a9c64d53a.exe PID 1212 wrote to memory of 296 1212 738de6017ca3733fa2d8899a9c64d53a.exe 738de6017ca3733fa2d8899a9c64d53a.exe PID 1212 wrote to memory of 296 1212 738de6017ca3733fa2d8899a9c64d53a.exe 738de6017ca3733fa2d8899a9c64d53a.exe PID 1212 wrote to memory of 296 1212 738de6017ca3733fa2d8899a9c64d53a.exe 738de6017ca3733fa2d8899a9c64d53a.exe PID 1212 wrote to memory of 296 1212 738de6017ca3733fa2d8899a9c64d53a.exe 738de6017ca3733fa2d8899a9c64d53a.exe PID 1212 wrote to memory of 296 1212 738de6017ca3733fa2d8899a9c64d53a.exe 738de6017ca3733fa2d8899a9c64d53a.exe PID 1212 wrote to memory of 296 1212 738de6017ca3733fa2d8899a9c64d53a.exe 738de6017ca3733fa2d8899a9c64d53a.exe PID 1212 wrote to memory of 296 1212 738de6017ca3733fa2d8899a9c64d53a.exe 738de6017ca3733fa2d8899a9c64d53a.exe -
outlook_office_path 1 IoCs
Processes:
738de6017ca3733fa2d8899a9c64d53a.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 738de6017ca3733fa2d8899a9c64d53a.exe -
outlook_win_path 1 IoCs
Processes:
738de6017ca3733fa2d8899a9c64d53a.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 738de6017ca3733fa2d8899a9c64d53a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\738de6017ca3733fa2d8899a9c64d53a.exe"C:\Users\Admin\AppData\Local\Temp\738de6017ca3733fa2d8899a9c64d53a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Users\Admin\AppData\Local\Temp\738de6017ca3733fa2d8899a9c64d53a.exe"C:\Users\Admin\AppData\Local\Temp\738de6017ca3733fa2d8899a9c64d53a.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:296
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