Analysis
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max time kernel
90s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 11:07
Static task
static1
Behavioral task
behavioral1
Sample
Transactions_PDF.exe
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Transactions_PDF.exe
Resource
win10v2004-20220414-en
windows10-2004_x64
0 signatures
0 seconds
General
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Target
Transactions_PDF.exe
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Size
1.5MB
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MD5
956c30a878d472143586c3df89d5c85a
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SHA1
fc7c6c0991ebb37ee6f2651df14e172a3d5cbeaa
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SHA256
10a594374e3751e758bf490955ed2651a25717209b5b65abe2d09997b27d9a74
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SHA512
6a78f3e2ab748c986d59d71f286fc2509e2ce21f191a7d093c674cf6574656a0ba28a45d6e5ec37bb19be30298d9994d53c6b7a136ef1138791648ec1ffab935
Malware Config
Extracted
Credentials
Protocol: ftp- Host:
ftp.solarcenter.ro - Port:
21 - Username:
[email protected] - Password:
RSv%AL{k~wATNN@ossyguru@00998877
Extracted
Family
agenttesla
Credentials
Protocol: ftp- Host:
ftp://ftp.solarcenter.ro/ - Port:
21 - Username:
[email protected] - Password:
RSv%AL{k~wATNN@ossyguru@00998877
Protocol: ftp- Host:
ftp://ftp.solarcenter.ro/ - Port:
21 - Username:
[email protected] - Password:
RSv%AL{k~wATNN@ossyguru@00998877
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/4128-131-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Transactions_PDF.exedescription pid process target process PID 4912 set thread context of 4128 4912 Transactions_PDF.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 4128 MSBuild.exe 4128 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 4128 MSBuild.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
Transactions_PDF.exepid process 4912 Transactions_PDF.exe 4912 Transactions_PDF.exe 4912 Transactions_PDF.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
Transactions_PDF.exepid process 4912 Transactions_PDF.exe 4912 Transactions_PDF.exe 4912 Transactions_PDF.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Transactions_PDF.exeMSBuild.exedescription pid process target process PID 4912 wrote to memory of 4128 4912 Transactions_PDF.exe MSBuild.exe PID 4912 wrote to memory of 4128 4912 Transactions_PDF.exe MSBuild.exe PID 4912 wrote to memory of 4128 4912 Transactions_PDF.exe MSBuild.exe PID 4912 wrote to memory of 4128 4912 Transactions_PDF.exe MSBuild.exe PID 4912 wrote to memory of 4128 4912 Transactions_PDF.exe MSBuild.exe PID 4128 wrote to memory of 3200 4128 MSBuild.exe netsh.exe PID 4128 wrote to memory of 3200 4128 MSBuild.exe netsh.exe PID 4128 wrote to memory of 3200 4128 MSBuild.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Transactions_PDF.exe"C:\Users\Admin\AppData\Local\Temp\Transactions_PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4912 -
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 WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4128 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:3200
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/3200-139-0x0000000000000000-mapping.dmp
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memory/4128-130-0x0000000000000000-mapping.dmp
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memory/4128-131-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/4128-138-0x0000000073900000-0x0000000073EB1000-memory.dmpFilesize
5.7MB
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memory/4912-136-0x0000000001CE0000-0x0000000001D77000-memory.dmpFilesize
604KB
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memory/4912-137-0x0000000004AE0000-0x0000000004B77000-memory.dmpFilesize
604KB