Analysis
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max time kernel
144s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-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
1.8MB
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MD5
1e80be82f8e930a7160c225ea1fb529e
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SHA1
7c50b9f3550d1d4c6abdb668cec1d7461a4c13d6
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SHA256
68101d145825fc980210f1f56638011d98eeaf5c53fb734b62a80dac6489f2e3
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SHA512
964181a2b3d3db5522a99dfa4c77c87d7c921981e55ecd2cd9fa8f10dd170082637cb6d130a7fee8182a3e6b967e98d34d072d7955233a17b281cd598080bf93
Malware Config
Extracted
Protocol: smtp- Host:
outback.websitewelcome.com - Port:
587 - Username:
krishnafebtech14@2020weddingeventz1.com - Password:
1ihemyorochi
Signatures
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/1300-132-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral2/memory/1392-139-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/1392-140-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1392-142-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1392-143-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/1300-132-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral2/memory/1292-144-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/1292-145-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1292-147-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1292-148-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 9 IoCs
Processes:
resource yara_rule behavioral2/memory/1300-132-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral2/memory/1392-139-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/1392-140-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1392-142-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1392-143-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1292-144-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/1292-145-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1292-147-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1292-148-0x0000000000400000-0x0000000000458000-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\iotstartup.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-1-5-21-1081944012-3634099177-1681222835-1000\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-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" MSBuild.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 21 whatismyipaddress.com 23 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exeMSBuild.exedescription pid process target process PID 4828 set thread context of 1300 4828 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe MSBuild.exe PID 1300 set thread context of 1392 1300 MSBuild.exe vbc.exe PID 1300 set thread context of 1292 1300 MSBuild.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
vbc.exeMSBuild.exepid process 1292 vbc.exe 1292 vbc.exe 1300 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 1300 MSBuild.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exepid process 4828 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe 4828 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe 4828 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exepid process 4828 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe 4828 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe 4828 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MSBuild.exepid process 1300 MSBuild.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exeMSBuild.exedescription pid process target process PID 4828 wrote to memory of 1300 4828 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe MSBuild.exe PID 4828 wrote to memory of 1300 4828 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe MSBuild.exe PID 4828 wrote to memory of 1300 4828 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe MSBuild.exe PID 4828 wrote to memory of 1300 4828 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe MSBuild.exe PID 4828 wrote to memory of 1300 4828 Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe MSBuild.exe PID 1300 wrote to memory of 1392 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1392 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1392 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1392 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1392 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1392 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1392 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1392 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1392 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1292 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1292 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1292 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1292 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1292 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1292 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1292 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1292 1300 MSBuild.exe vbc.exe PID 1300 wrote to memory of 1292 1300 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⤵
- Suspicious behavior: EnumeratesProcesses
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
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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memory/1292-144-0x0000000000000000-mapping.dmp
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memory/1292-148-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1292-147-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1292-145-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1300-130-0x0000000000000000-mapping.dmp
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memory/1300-138-0x0000000073E10000-0x00000000743C1000-memory.dmpFilesize
5.7MB
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memory/1300-132-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/1392-140-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1392-142-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1392-143-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1392-139-0x0000000000000000-mapping.dmp
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memory/4828-133-0x0000000004E70000-0x0000000004F75000-memory.dmpFilesize
1.0MB
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memory/4828-131-0x0000000004F80000-0x0000000005085000-memory.dmpFilesize
1.0MB