Analysis
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max time kernel
53s -
max time network
71s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
19/04/2023, 19:53
Static task
static1
Behavioral task
behavioral1
Sample
7fe855d9e567f6a2574316e61f786bc9636d77c385bd4c9247025193aac775ed.exe
Resource
win10-20230220-en
General
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Target
7fe855d9e567f6a2574316e61f786bc9636d77c385bd4c9247025193aac775ed.exe
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Size
298KB
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MD5
381f20f1b08edc9d504bb6312bbb8050
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SHA1
87972791f6efe8f387298e429cb5fe7a69e326b9
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SHA256
7fe855d9e567f6a2574316e61f786bc9636d77c385bd4c9247025193aac775ed
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SHA512
9408cdc9cd77296370bc8e45ff2823c7e963b433baa9d8c95c4cf73a3ecbd89c2b50f4c4f6be41f43ea259b4b2ac7b9f16136b81650fb4dae7670bf94ad431ee
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SSDEEP
6144:xXEqN4hrdRXDple241ouYLsSdjcB+ZHkl9q0Wf1Dg4/ve:x0cmjzp8dotLsejcBw29G
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/3644-122-0x0000000002C50000-0x0000000002C6C000-memory.dmp family_rhadamanthys behavioral1/memory/3644-123-0x0000000002C50000-0x0000000002C6C000-memory.dmp family_rhadamanthys behavioral1/memory/3644-125-0x0000000002C50000-0x0000000002C6C000-memory.dmp family_rhadamanthys behavioral1/memory/3644-134-0x0000000002C50000-0x0000000002C6C000-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-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe -
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 3644 7fe855d9e567f6a2574316e61f786bc9636d77c385bd4c9247025193aac775ed.exe 3644 7fe855d9e567f6a2574316e61f786bc9636d77c385bd4c9247025193aac775ed.exe 2080 dllhost.exe 2080 dllhost.exe 2080 dllhost.exe 2080 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3644 wrote to memory of 2080 3644 7fe855d9e567f6a2574316e61f786bc9636d77c385bd4c9247025193aac775ed.exe 66 PID 3644 wrote to memory of 2080 3644 7fe855d9e567f6a2574316e61f786bc9636d77c385bd4c9247025193aac775ed.exe 66 PID 3644 wrote to memory of 2080 3644 7fe855d9e567f6a2574316e61f786bc9636d77c385bd4c9247025193aac775ed.exe 66 PID 3644 wrote to memory of 2080 3644 7fe855d9e567f6a2574316e61f786bc9636d77c385bd4c9247025193aac775ed.exe 66 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7fe855d9e567f6a2574316e61f786bc9636d77c385bd4c9247025193aac775ed.exe"C:\Users\Admin\AppData\Local\Temp\7fe855d9e567f6a2574316e61f786bc9636d77c385bd4c9247025193aac775ed.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3644 -
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:2080
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