Analysis
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max time kernel
87s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2023, 19:40
Static task
static1
Behavioral task
behavioral1
Sample
f187497ccd97211fbe002c3708ca754ed3346c63d56204210d190836aa3c5c23.exe
Resource
win10v2004-20230220-en
General
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Target
f187497ccd97211fbe002c3708ca754ed3346c63d56204210d190836aa3c5c23.exe
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Size
298KB
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MD5
7499dd88daf9fc7fa6df7c0738333a20
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SHA1
4a4a48dff3d47318c7b2230e33a0afb835045bb1
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SHA256
f187497ccd97211fbe002c3708ca754ed3346c63d56204210d190836aa3c5c23
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SHA512
1c1ace206b6e21429fdeb39e55fd0bd9251e2678272345752b9169b2c3ad5e853bf7e9c8e040307598d87b6f280e2956eb7b7e7fa343aa3fe9398c7aa4ee32ab
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SSDEEP
6144:u1Z/YMvspnU4eZCm08FKl2wDOj+gq98PvsBIg4/ve:u/Y1nU4eZi/lXOY6Pmm
Malware Config
Extracted
rhadamanthys
http://179.43.142.201/img/favicon.png
Signatures
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Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral1/memory/1932-138-0x0000000002D70000-0x0000000002D8C000-memory.dmp family_rhadamanthys behavioral1/memory/1932-139-0x0000000002D70000-0x0000000002D8C000-memory.dmp family_rhadamanthys behavioral1/memory/1932-141-0x0000000002D70000-0x0000000002D8C000-memory.dmp family_rhadamanthys behavioral1/memory/1932-148-0x0000000002D70000-0x0000000002D8C000-memory.dmp family_rhadamanthys -
Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3404 1932 WerFault.exe 82 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 dllhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dllhost.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1932 f187497ccd97211fbe002c3708ca754ed3346c63d56204210d190836aa3c5c23.exe 1932 f187497ccd97211fbe002c3708ca754ed3346c63d56204210d190836aa3c5c23.exe 4508 dllhost.exe 4508 dllhost.exe 4508 dllhost.exe 4508 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1932 wrote to memory of 4508 1932 f187497ccd97211fbe002c3708ca754ed3346c63d56204210d190836aa3c5c23.exe 91 PID 1932 wrote to memory of 4508 1932 f187497ccd97211fbe002c3708ca754ed3346c63d56204210d190836aa3c5c23.exe 91 PID 1932 wrote to memory of 4508 1932 f187497ccd97211fbe002c3708ca754ed3346c63d56204210d190836aa3c5c23.exe 91 PID 1932 wrote to memory of 4508 1932 f187497ccd97211fbe002c3708ca754ed3346c63d56204210d190836aa3c5c23.exe 91 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f187497ccd97211fbe002c3708ca754ed3346c63d56204210d190836aa3c5c23.exe"C:\Users\Admin\AppData\Local\Temp\f187497ccd97211fbe002c3708ca754ed3346c63d56204210d190836aa3c5c23.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\system32\dllhost.exe"C:\Windows\system32\dllhost.exe"2⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:4508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 7162⤵
- Program crash
PID:3404
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1932 -ip 19321⤵PID:1908