Analysis
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max time kernel
91s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
01-07-2022 06:00
Static task
static1
Behavioral task
behavioral1
Sample
fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe
Resource
win10v2004-20220414-en
General
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Target
fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe
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Size
1.1MB
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MD5
61ec2a44b46e83a9b0c5480d07c88ca7
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SHA1
e9478ff2fdeb7561905d4ddef2cf477b2637991f
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SHA256
fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95
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SHA512
c456a4e2a30c753ff4f8cb5384779f7592f20c4ac8999474d95bb4f8e65fc6330eb80b58de6363a9cc0b79397de6d0e7ec33740602085a47776f5c97f47e09f4
Malware Config
Extracted
Protocol: smtp- Host:
bhavnatutor.com - Port:
587 - Username:
[email protected] - 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-1-5-21-1809750270-3141839489-3074374771-1000\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 -
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 9 ifconfig.me -
Suspicious use of SetThreadContext 1 IoCs
Processes:
fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exedescription pid Process procid_target PID 2408 set thread context of 1420 2408 fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe 81 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
MSBuild.exepid Process 1420 MSBuild.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exepid Process 2408 fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid Process Token: SeDebugPrivilege 1420 MSBuild.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exepid Process 2408 fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe 2408 fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe 2408 fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exepid Process 2408 fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe 2408 fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe 2408 fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exedescription pid Process procid_target PID 2408 wrote to memory of 1420 2408 fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe 81 PID 2408 wrote to memory of 1420 2408 fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe 81 PID 2408 wrote to memory of 1420 2408 fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe 81 PID 2408 wrote to memory of 1420 2408 fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe 81 -
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\fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe"C:\Users\Admin\AppData\Local\Temp\fb9d24f00e27775f07bda68443778b539443dca145eea651dedac042e9b6dd95.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2408 -
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
PID:1420
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