Analysis
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max time kernel
138s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 10:36
Static task
static1
Behavioral task
behavioral1
Sample
Commecial Invoice.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Commecial Invoice.exe
Resource
win10v2004-20220414-en
General
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Target
Commecial Invoice.exe
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Size
1.4MB
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MD5
20bb48a4b3b4f0a778a4e0afe2dc3502
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SHA1
15d30fce8dd2e5a351df54cb3cf298417bae2ded
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SHA256
be823d1cf2f6d602b91ec0b226fcb8a393f15efd519ddea975a2dfc6fa348195
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SHA512
e49b554ec89ba5651bf7c8ee7b2b1285054d2d88f5b7271c258c134c3aa1e02c38a9199815539efada1dfb3d8509bd46c6bb9a4e8253e55404bbfaaba4b30f65
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
kaka1234@1@1
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
kaka1234@1@1
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4028-131-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Commecial Invoice.exedescription pid process target process PID 1208 set thread context of 4028 1208 Commecial Invoice.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 4028 MSBuild.exe 4028 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 4028 MSBuild.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
Commecial Invoice.exepid process 1208 Commecial Invoice.exe 1208 Commecial Invoice.exe 1208 Commecial Invoice.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
Commecial Invoice.exepid process 1208 Commecial Invoice.exe 1208 Commecial Invoice.exe 1208 Commecial Invoice.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MSBuild.exepid process 4028 MSBuild.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Commecial Invoice.exeMSBuild.exedescription pid process target process PID 1208 wrote to memory of 4028 1208 Commecial Invoice.exe MSBuild.exe PID 1208 wrote to memory of 4028 1208 Commecial Invoice.exe MSBuild.exe PID 1208 wrote to memory of 4028 1208 Commecial Invoice.exe MSBuild.exe PID 1208 wrote to memory of 4028 1208 Commecial Invoice.exe MSBuild.exe PID 1208 wrote to memory of 4028 1208 Commecial Invoice.exe MSBuild.exe PID 4028 wrote to memory of 3716 4028 MSBuild.exe netsh.exe PID 4028 wrote to memory of 3716 4028 MSBuild.exe netsh.exe PID 4028 wrote to memory of 3716 4028 MSBuild.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Commecial Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Commecial Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1208-136-0x00000000042C0000-0x0000000004357000-memory.dmpFilesize
604KB
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memory/1208-137-0x0000000004220000-0x00000000042B7000-memory.dmpFilesize
604KB
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memory/3716-139-0x0000000000000000-mapping.dmp
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memory/4028-130-0x0000000000000000-mapping.dmp
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memory/4028-131-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/4028-138-0x0000000073D40000-0x00000000742F1000-memory.dmpFilesize
5.7MB