Analysis
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max time kernel
134s -
max time network
122s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
21-10-2021 02:44
Static task
static1
Behavioral task
behavioral1
Sample
Payment Advice.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
Payment Advice.exe
Resource
win10-en-20210920
General
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Target
Payment Advice.exe
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Size
597KB
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MD5
91abc47e7bb4110eea539082f7cc5559
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SHA1
034b17319ec75aed6e6becad1a7efa8f9374228f
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SHA256
b5424ff763ec9e9cb9389c81087597201a36c999f7c2dc80be51b92ce17add06
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SHA512
7ca52acf1228c91205ade4a8efe24e1c04d11e53bb460334b1e8dbcbfda3c10f7bf594d6ce8a423c1d47d6eaca3bc0f621d386e19cbdc0c84f66f24bdc59ad96
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
sales@tanimas-id.com - Password:
!xgapua3
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/760-61-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/760-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/760-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/760-64-0x00000000004375EE-mapping.dmp family_agenttesla behavioral1/memory/760-65-0x0000000000400000-0x000000000043C000-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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
Payment Advice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Advice.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Advice.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Advice.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Payment Advice.exedescription pid process target process PID 1504 set thread context of 760 1504 Payment Advice.exe Payment Advice.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
Payment Advice.exePayment Advice.exepid process 1504 Payment Advice.exe 1504 Payment Advice.exe 1504 Payment Advice.exe 760 Payment Advice.exe 760 Payment Advice.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Payment Advice.exePayment Advice.exedescription pid process Token: SeDebugPrivilege 1504 Payment Advice.exe Token: SeDebugPrivilege 760 Payment Advice.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
Payment Advice.exedescription pid process target process PID 1504 wrote to memory of 768 1504 Payment Advice.exe Payment Advice.exe PID 1504 wrote to memory of 768 1504 Payment Advice.exe Payment Advice.exe PID 1504 wrote to memory of 768 1504 Payment Advice.exe Payment Advice.exe PID 1504 wrote to memory of 768 1504 Payment Advice.exe Payment Advice.exe PID 1504 wrote to memory of 760 1504 Payment Advice.exe Payment Advice.exe PID 1504 wrote to memory of 760 1504 Payment Advice.exe Payment Advice.exe PID 1504 wrote to memory of 760 1504 Payment Advice.exe Payment Advice.exe PID 1504 wrote to memory of 760 1504 Payment Advice.exe Payment Advice.exe PID 1504 wrote to memory of 760 1504 Payment Advice.exe Payment Advice.exe PID 1504 wrote to memory of 760 1504 Payment Advice.exe Payment Advice.exe PID 1504 wrote to memory of 760 1504 Payment Advice.exe Payment Advice.exe PID 1504 wrote to memory of 760 1504 Payment Advice.exe Payment Advice.exe PID 1504 wrote to memory of 760 1504 Payment Advice.exe Payment Advice.exe -
outlook_office_path 1 IoCs
Processes:
Payment Advice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Advice.exe -
outlook_win_path 1 IoCs
Processes:
Payment Advice.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 Payment Advice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice.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
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Downloads
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memory/760-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/760-62-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/760-68-0x0000000004AC1000-0x0000000004AC2000-memory.dmpFilesize
4KB
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memory/760-67-0x0000000004AC0000-0x0000000004AC1000-memory.dmpFilesize
4KB
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memory/760-65-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/760-59-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/760-61-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/760-60-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/760-64-0x00000000004375EE-mapping.dmp
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memory/1504-53-0x0000000000F10000-0x0000000000F11000-memory.dmpFilesize
4KB
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memory/1504-55-0x00000000751A1000-0x00000000751A3000-memory.dmpFilesize
8KB
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memory/1504-58-0x0000000000D70000-0x0000000000DC8000-memory.dmpFilesize
352KB
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memory/1504-57-0x0000000004E30000-0x0000000004E31000-memory.dmpFilesize
4KB
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memory/1504-56-0x0000000000440000-0x0000000000447000-memory.dmpFilesize
28KB