Analysis
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max time kernel
111s -
max time network
114s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 18:33
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe
Resource
win10v2004-20220414-en
General
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Target
Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe
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Size
1MB
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MD5
cc5e307e68ccb5b363a1d8125e0edfb1
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SHA1
0937747b83e0624bec024daadeaf5c7effdbcb36
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SHA256
82ffa88d2b058317fcbc1af1c6fe06d7927be41ee28c7473a397f3db42670ca5
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SHA512
ac464272963a2208cf7061e22c75d2ae5b9c76ade74cd1c21aeb28690d2d2ccee45c2cfafe09ad588a56a802f438dfc9a56e60792f87e483db727b8286968815
Malware Config
Extracted
Protocol: smtp- Host:
outback.websitewelcome.com - Port:
587 - Username:
sungearmotors@2020weddingeventz2.com - Password:
chukwuma12
Signatures
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NirSoft MailPassView 8 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/1876-57-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/1876-62-0x0000000000480C6E-mapping.dmp MailPassView behavioral1/memory/1876-63-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/1876-66-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/1888-70-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1888-69-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1888-73-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1888-75-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 8 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/1876-57-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/1876-62-0x0000000000480C6E-mapping.dmp WebBrowserPassView behavioral1/memory/1876-63-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/1876-66-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/672-76-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/672-77-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/672-80-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/672-81-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 12 IoCs
Processes:
resource yara_rule behavioral1/memory/1876-57-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/1876-62-0x0000000000480C6E-mapping.dmp Nirsoft behavioral1/memory/1876-63-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/1876-66-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/1888-70-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1888-69-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1888-73-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1888-75-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/672-76-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/672-77-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/672-80-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/672-81-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Drops startup file 1 IoCs
Processes:
Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FsIso.url Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
MSBuild.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 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 3 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exeMSBuild.exedescription pid process target process PID 1468 set thread context of 1876 1468 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe MSBuild.exe PID 1876 set thread context of 1888 1876 MSBuild.exe vbc.exe PID 1876 set thread context of 672 1876 MSBuild.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
MSBuild.exepid process 1876 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 1876 MSBuild.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exepid process 1468 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe 1468 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe 1468 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exepid process 1468 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe 1468 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe 1468 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MSBuild.exepid process 1876 MSBuild.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exeMSBuild.exedescription pid process target process PID 1468 wrote to memory of 1876 1468 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe MSBuild.exe PID 1468 wrote to memory of 1876 1468 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe MSBuild.exe PID 1468 wrote to memory of 1876 1468 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe MSBuild.exe PID 1468 wrote to memory of 1876 1468 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe MSBuild.exe PID 1468 wrote to memory of 1876 1468 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe MSBuild.exe PID 1468 wrote to memory of 1876 1468 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe MSBuild.exe PID 1876 wrote to memory of 1888 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 1888 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 1888 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 1888 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 1888 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 1888 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 1888 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 1888 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 1888 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 1888 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 672 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 672 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 672 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 672 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 672 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 672 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 672 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 672 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 672 1876 MSBuild.exe vbc.exe PID 1876 wrote to memory of 672 1876 MSBuild.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe"1⤵
- Drops startup file
- 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⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/672-81-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/672-80-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/672-77-0x0000000000442628-mapping.dmp
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memory/672-76-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1468-54-0x0000000075371000-0x0000000075373000-memory.dmpFilesize
8KB
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memory/1468-64-0x0000000003AB0000-0x0000000003BB5000-memory.dmpFilesize
1MB
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memory/1468-65-0x0000000003BC0000-0x0000000003CC5000-memory.dmpFilesize
1MB
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memory/1876-68-0x0000000073DC0000-0x000000007436B000-memory.dmpFilesize
5MB
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memory/1876-74-0x0000000000BC6000-0x0000000000BD7000-memory.dmpFilesize
68KB
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memory/1876-66-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/1876-63-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/1876-62-0x0000000000480C6E-mapping.dmp
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memory/1876-57-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/1876-55-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/1888-70-0x0000000000411654-mapping.dmp
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memory/1888-69-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1888-73-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1888-75-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB