Analysis
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max time kernel
135s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
05-06-2024 12:00
Static task
static1
Behavioral task
behavioral1
Sample
20180719-Doc_Scan_signed.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
20180719-Doc_Scan_signed.exe
Resource
win10v2004-20240508-en
General
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Target
20180719-Doc_Scan_signed.exe
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Size
1.2MB
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MD5
324cae1bfc2a4ef53ec06acb3697775b
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SHA1
f9ea216f02ded458bb8221638b67a7f6764743aa
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SHA256
b610451b6d3ae0611563415be9fc3f773161646eb0eba9a9895858fba03974d7
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SHA512
4c56ffe33a787d30adbca65fdedf8cb54cbe350c70129115179d61e957669b4020ee67d732c438a34a194ce6ac96a15b58cca4d58de1c0043eb8bcd16c3cfc2a
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SSDEEP
12288:4aFTPm1xJGE5wJGE5CGl+l3xc51tutSvgjkBk/6/:4aFKfJNyJNMq57FaE
Malware Config
Signatures
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 20180719-Doc_Scan_signed.exe Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 20180719-Doc_Scan_signed.exe Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 20180719-Doc_Scan_signed.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\PSS World Medical Inc = "C:\\Users\\Admin\\AppData\\Roaming\\PSS World Medical Inc\\PSS World Medical Inc.exe" 20180719-Doc_Scan_signed.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 20180719-Doc_Scan_signed.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 6 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2492 set thread context of 2648 2492 20180719-Doc_Scan_signed.exe 28 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2492 20180719-Doc_Scan_signed.exe 2648 20180719-Doc_Scan_signed.exe 2648 20180719-Doc_Scan_signed.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2648 20180719-Doc_Scan_signed.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2492 20180719-Doc_Scan_signed.exe Token: SeDebugPrivilege 2648 20180719-Doc_Scan_signed.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2648 20180719-Doc_Scan_signed.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2492 wrote to memory of 2648 2492 20180719-Doc_Scan_signed.exe 28 PID 2492 wrote to memory of 2648 2492 20180719-Doc_Scan_signed.exe 28 PID 2492 wrote to memory of 2648 2492 20180719-Doc_Scan_signed.exe 28 PID 2492 wrote to memory of 2648 2492 20180719-Doc_Scan_signed.exe 28 PID 2492 wrote to memory of 2648 2492 20180719-Doc_Scan_signed.exe 28 PID 2492 wrote to memory of 2648 2492 20180719-Doc_Scan_signed.exe 28 PID 2492 wrote to memory of 2648 2492 20180719-Doc_Scan_signed.exe 28 PID 2492 wrote to memory of 2648 2492 20180719-Doc_Scan_signed.exe 28 PID 2492 wrote to memory of 2648 2492 20180719-Doc_Scan_signed.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 20180719-Doc_Scan_signed.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 20180719-Doc_Scan_signed.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\20180719-Doc_Scan_signed.exe"C:\Users\Admin\AppData\Local\Temp\20180719-Doc_Scan_signed.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492 -
C:\Users\Admin\AppData\Local\Temp\20180719-Doc_Scan_signed.exe"C:\Users\Admin\AppData\Local\Temp\20180719-Doc_Scan_signed.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2648
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