Analysis
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max time kernel
131s -
max time network
141s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
20-10-2021 12:35
Static task
static1
Behavioral task
behavioral1
Sample
Request_009_887_112_998_777_879.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
Request_009_887_112_998_777_879.exe
Resource
win10-en-20211014
General
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Target
Request_009_887_112_998_777_879.exe
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Size
430KB
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MD5
38fbd4445e816126a0c9e89c7599db66
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SHA1
7afc72c4b8d115584fa414db680a5bab59800874
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SHA256
8fadb4f26f66b5d6892f6fec0165feb246165af1d43f1a87881169c716da742e
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SHA512
b6b3128315217e5f9f9ce11b2efc4807b087c03618ebc78e721722d1cbf8b18a4ff35697c003c09ce6fea8db4b099b4f54b8036eb084a0cb49ce1d2c96e4170a
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.medtec-germany.com - Port:
587 - Username:
[email protected] - Password:
vfPjbzH2
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/472-61-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/472-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/472-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/472-64-0x0000000000436C6E-mapping.dmp family_agenttesla behavioral1/memory/472-65-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Request_009_887_112_998_777_879.exedescription pid process target process PID 1368 set thread context of 472 1368 Request_009_887_112_998_777_879.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 472 MSBuild.exe 472 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 472 MSBuild.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Request_009_887_112_998_777_879.exedescription pid process target process PID 1368 wrote to memory of 472 1368 Request_009_887_112_998_777_879.exe MSBuild.exe PID 1368 wrote to memory of 472 1368 Request_009_887_112_998_777_879.exe MSBuild.exe PID 1368 wrote to memory of 472 1368 Request_009_887_112_998_777_879.exe MSBuild.exe PID 1368 wrote to memory of 472 1368 Request_009_887_112_998_777_879.exe MSBuild.exe PID 1368 wrote to memory of 472 1368 Request_009_887_112_998_777_879.exe MSBuild.exe PID 1368 wrote to memory of 472 1368 Request_009_887_112_998_777_879.exe MSBuild.exe PID 1368 wrote to memory of 472 1368 Request_009_887_112_998_777_879.exe MSBuild.exe PID 1368 wrote to memory of 472 1368 Request_009_887_112_998_777_879.exe MSBuild.exe PID 1368 wrote to memory of 472 1368 Request_009_887_112_998_777_879.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Request_009_887_112_998_777_879.exe"C:\Users\Admin\AppData\Local\Temp\Request_009_887_112_998_777_879.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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/472-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/472-59-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/472-60-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/472-61-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/472-62-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/472-64-0x0000000000436C6E-mapping.dmp
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memory/472-65-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/472-67-0x0000000004A40000-0x0000000004A41000-memory.dmpFilesize
4KB
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memory/1368-55-0x00000000768C1000-0x00000000768C3000-memory.dmpFilesize
8KB
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memory/1368-56-0x0000000004900000-0x0000000004901000-memory.dmpFilesize
4KB
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memory/1368-57-0x0000000000630000-0x0000000000637000-memory.dmpFilesize
28KB
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memory/1368-58-0x0000000004BE0000-0x0000000004C37000-memory.dmpFilesize
348KB
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memory/1368-53-0x0000000000810000-0x0000000000811000-memory.dmpFilesize
4KB