Analysis
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max time kernel
96s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
24-07-2022 15:09
Static task
static1
Behavioral task
behavioral1
Sample
d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe
Resource
win10v2004-20220721-en
General
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Target
d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe
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Size
1.1MB
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MD5
0e7f46ad37f486ea26e6987f6022ee71
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SHA1
18e3ef5b22ad2a046aac7b473fa02c9c6611a7bd
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SHA256
d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1
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SHA512
c22364a850add02a88baf2a8ad719b15b6cf2d3cc8d4d0859ece1a6968a90656d72da0abf159406fb7af42462c4d0e2bb22aa54d0475bb74a7f68bf8009d7e14
Malware Config
Extracted
Protocol: smtp- Host:
bhavnatutor.com - Port:
587 - Username:
sales@bhavnatutor.com - Password:
Onyeoba111
Signatures
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 5 ifconfig.me -
Suspicious use of SetThreadContext 1 IoCs
Processes:
d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exedescription pid process target process PID 820 set thread context of 3916 820 d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
MSBuild.exepid process 3916 MSBuild.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exepid process 820 d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 3916 MSBuild.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
Processes:
d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exepid process 820 d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe 820 d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe 820 d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe 820 d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe -
Suspicious use of SendNotifyMessage 4 IoCs
Processes:
d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exepid process 820 d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe 820 d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe 820 d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe 820 d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exedescription pid process target process PID 820 wrote to memory of 3916 820 d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe MSBuild.exe PID 820 wrote to memory of 3916 820 d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe MSBuild.exe PID 820 wrote to memory of 3916 820 d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe MSBuild.exe PID 820 wrote to memory of 3916 820 d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\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-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe"C:\Users\Admin\AppData\Local\Temp\d78a0419df93d26fedc18cda51b7f76900d640ffc9909ce98f60362d1a3d3bd1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- 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/820-130-0x0000000000CD0000-0x0000000000CEF000-memory.dmpFilesize
124KB
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memory/3916-131-0x0000000000000000-mapping.dmp
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memory/3916-132-0x0000000000400000-0x0000000000424000-memory.dmpFilesize
144KB
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memory/3916-133-0x00000000059D0000-0x0000000005F74000-memory.dmpFilesize
5.6MB
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memory/3916-134-0x0000000005520000-0x00000000055BC000-memory.dmpFilesize
624KB
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memory/3916-135-0x0000000005F80000-0x0000000005FE6000-memory.dmpFilesize
408KB
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memory/3916-136-0x00000000066E0000-0x0000000006772000-memory.dmpFilesize
584KB
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memory/3916-137-0x00000000066A0000-0x00000000066AA000-memory.dmpFilesize
40KB