Analysis
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max time kernel
87s -
max time network
89s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2023, 10:20
Static task
static1
Behavioral task
behavioral1
Sample
2cdddfd81d71c463554559513e64d4e817e9f47e93323cf1b847e0f13efc1ec0.exe
Resource
win10v2004-20230220-en
General
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Target
2cdddfd81d71c463554559513e64d4e817e9f47e93323cf1b847e0f13efc1ec0.exe
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Size
348KB
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MD5
88f4e8aa5e07843cf2e1d1a90de87884
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SHA1
596f82647672eab119a660d9b9ec7db0fee0a440
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SHA256
2cdddfd81d71c463554559513e64d4e817e9f47e93323cf1b847e0f13efc1ec0
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SHA512
de421006003bc99af6362a44b053f5452c466732114652a365982f805f9707e1d3c5dad426ff8ca600f823f9ed9542323b87c361814a005c46c7de4d9a5447f7
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SSDEEP
6144:CPmLtNVq568SKP766mrZ8uqPuSgZFqPTfm:CPmLtNU56uUncrm
Malware Config
Signatures
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Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral1/memory/3888-138-0x0000000004900000-0x000000000491C000-memory.dmp family_rhadamanthys behavioral1/memory/3888-140-0x0000000004900000-0x000000000491C000-memory.dmp family_rhadamanthys behavioral1/memory/3888-143-0x0000000004900000-0x000000000491C000-memory.dmp family_rhadamanthys behavioral1/memory/3888-150-0x0000000004900000-0x000000000491C000-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-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 3888 2cdddfd81d71c463554559513e64d4e817e9f47e93323cf1b847e0f13efc1ec0.exe 3888 2cdddfd81d71c463554559513e64d4e817e9f47e93323cf1b847e0f13efc1ec0.exe 3888 2cdddfd81d71c463554559513e64d4e817e9f47e93323cf1b847e0f13efc1ec0.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 3888 2cdddfd81d71c463554559513e64d4e817e9f47e93323cf1b847e0f13efc1ec0.exe 3888 2cdddfd81d71c463554559513e64d4e817e9f47e93323cf1b847e0f13efc1ec0.exe 3880 dllhost.exe 3880 dllhost.exe 3880 dllhost.exe 3880 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3888 wrote to memory of 3880 3888 2cdddfd81d71c463554559513e64d4e817e9f47e93323cf1b847e0f13efc1ec0.exe 82 PID 3888 wrote to memory of 3880 3888 2cdddfd81d71c463554559513e64d4e817e9f47e93323cf1b847e0f13efc1ec0.exe 82 PID 3888 wrote to memory of 3880 3888 2cdddfd81d71c463554559513e64d4e817e9f47e93323cf1b847e0f13efc1ec0.exe 82 PID 3888 wrote to memory of 3880 3888 2cdddfd81d71c463554559513e64d4e817e9f47e93323cf1b847e0f13efc1ec0.exe 82 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2cdddfd81d71c463554559513e64d4e817e9f47e93323cf1b847e0f13efc1ec0.exe"C:\Users\Admin\AppData\Local\Temp\2cdddfd81d71c463554559513e64d4e817e9f47e93323cf1b847e0f13efc1ec0.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3888 -
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:3880
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