Analysis
- max time kernel
149s - max time network
149s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
21/05/2024, 14:17
General
- Target dhl_awb_shipping_invoice_21_05_2024_000000000000024.exe
- Size 652KB
- Sample240521-rlpyjsgg74
- SHA256 a7a04842ca3e817e5ae28cf389f590ba2a4f76c63e25249419bad63277b7312f
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
- Nirsoft 8 IoCs
- Loads dropped DLL 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: MapViewOfSection 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\dhl_awb_shipping_invoice_21_05_2024_000000000000024.exe"C:\Users\Admin\AppData\Local\Temp\dhl_awb_shipping_invoice_21_05_2024_000000000000024.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\dhl_awb_shipping_invoice_21_05_2024_000000000000024.exe"C:\Users\Admin\AppData\Local\Temp\dhl_awb_shipping_invoice_21_05_2024_000000000000024.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\dhl_awb_shipping_invoice_21_05_2024_000000000000024.exeC:\Users\Admin\AppData\Local\Temp\dhl_awb_shipping_invoice_21_05_2024_000000000000024.exe /stext "C:\Users\Admin\AppData\Local\Temp\xhckfpnjcmqcgwkdrbfsuvctzwzcqqxnyq"3⤵
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C:\Users\Admin\AppData\Local\Temp\dhl_awb_shipping_invoice_21_05_2024_000000000000024.exeC:\Users\Admin\AppData\Local\Temp\dhl_awb_shipping_invoice_21_05_2024_000000000000024.exe /stext "C:\Users\Admin\AppData\Local\Temp\ibhvgi"3⤵
- Accesses Microsoft Outlook accounts
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C:\Users\Admin\AppData\Local\Temp\dhl_awb_shipping_invoice_21_05_2024_000000000000024.exeC:\Users\Admin\AppData\Local\Temp\dhl_awb_shipping_invoice_21_05_2024_000000000000024.exe /stext "C:\Users\Admin\AppData\Local\Temp\sdvohsjfmc"3⤵
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
belejrernes.lnk
System.dll
memory/1560-328-0x0000000036C10000-0x0000000036C29000-memory.dmp
memory/1560-327-0x0000000036C10000-0x0000000036C29000-memory.dmp
memory/1560-293-0x0000000077900000-0x0000000077AA9000-memory.dmp
memory/1560-295-0x00000000004B0000-0x0000000001512000-memory.dmp
memory/1560-296-0x0000000001520000-0x0000000006D7F000-memory.dmp
memory/1560-324-0x0000000036C10000-0x0000000036C29000-memory.dmp
memory/1612-304-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1612-306-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1612-302-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1612-323-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1612-303-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2068-314-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2068-305-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2068-301-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2208-307-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2208-308-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2208-309-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2208-313-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2208-310-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2228-292-0x0000000077900000-0x0000000077AA9000-memory.dmp
memory/2228-291-0x0000000077901000-0x0000000077A02000-memory.dmp