Analysis
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max time kernel
91s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
01-07-2022 14:28
Static task
static1
Behavioral task
behavioral1
Sample
3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe
Resource
win10v2004-20220414-en
General
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Target
3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe
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Size
690KB
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MD5
9614dbed925a368082a281ba77ec70b9
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SHA1
0b132697b64ef2c93efbb3443d135f733171d6aa
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SHA256
3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba
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SHA512
abd11cd9a3a528dd194111fbd2a21052afc06f3c30117e4f81c0335cdf7537405d85f532b6a88c8cab3e875330a70677311b307a4ffa471c2f730a623c3bf5c3
Malware Config
Extracted
Protocol: smtp- Host:
bhavnatutor.com - Port:
587 - Username:
[email protected] - Password:
Onyeoba111
Signatures
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resource yara_rule behavioral2/memory/2316-130-0x0000000000090000-0x0000000000214000-memory.dmp upx behavioral2/memory/2316-136-0x0000000000090000-0x0000000000214000-memory.dmp upx -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description 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.
flow ioc 11 ifconfig.me -
AutoIT Executable 2 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/2316-130-0x0000000000090000-0x0000000000214000-memory.dmp autoit_exe behavioral2/memory/2316-136-0x0000000000090000-0x0000000000214000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2316 set thread context of 1016 2316 3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe 83 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1016 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1016 MSBuild.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 2316 3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe 2316 3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe 2316 3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe 2316 3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 2316 3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe 2316 3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe 2316 3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe 2316 3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2316 wrote to memory of 1016 2316 3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe 83 PID 2316 wrote to memory of 1016 2316 3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe 83 PID 2316 wrote to memory of 1016 2316 3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe 83 PID 2316 wrote to memory of 1016 2316 3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe 83 PID 2316 wrote to memory of 1016 2316 3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe 83 -
outlook_office_path 1 IoCs
description 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
description 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\3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe"C:\Users\Admin\AppData\Local\Temp\3dcb61c8530dca57db103b359bfeef325b3495166ceff0c68449d597c4aa77ba.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2316 -
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:1016
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