Analysis
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max time kernel
51s -
max time network
75s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
15/04/2023, 11:10
Static task
static1
Behavioral task
behavioral1
Sample
d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54.exe
Resource
win10-20230220-en
General
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Target
d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54.exe
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Size
424KB
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MD5
9950feec180e9981d35fe2dd2241efdc
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SHA1
939ca7f9084b5a28790f56cec45ce5c2006f8ee0
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SHA256
d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54
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SHA512
0181a6e3157e47e9a1f75853de96d1deafffe38c80231909e2870758ee4f071c784adcf0031a17a9c4f0f0fc2df32b2cb1159cd0056334c4d281466324dcf36f
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SSDEEP
6144:eiiG2fGlIFLkFZAq7OAMUjGu8eAIlgTkfiwe4:eF9GlIFQFZAqftlgQit4
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/3944-125-0x0000000002430000-0x000000000244C000-memory.dmp family_rhadamanthys behavioral1/memory/3944-126-0x0000000002430000-0x000000000244C000-memory.dmp family_rhadamanthys behavioral1/memory/3944-128-0x0000000002430000-0x000000000244C000-memory.dmp family_rhadamanthys behavioral1/memory/3944-137-0x0000000002430000-0x000000000244C000-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 3944 d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54.exe 3944 d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54.exe 4392 dllhost.exe 4392 dllhost.exe 4392 dllhost.exe 4392 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3944 wrote to memory of 4392 3944 d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54.exe 66 PID 3944 wrote to memory of 4392 3944 d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54.exe 66 PID 3944 wrote to memory of 4392 3944 d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54.exe 66 PID 3944 wrote to memory of 4392 3944 d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54.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\d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54.exe"C:\Users\Admin\AppData\Local\Temp\d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3944 -
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:4392
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