Analysis
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max time kernel
106s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
15/04/2023, 01:02
Static task
static1
Behavioral task
behavioral1
Sample
31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe
Resource
win10v2004-20230220-en
General
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Target
31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe
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Size
424KB
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MD5
275a529eb263287899c1524c3f27db6a
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SHA1
f767a1bf6f2175a040e9066b4dc1675f7f5c77e8
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SHA256
31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356
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SHA512
e93f8594296915775e8789f7f297d57cc5e66f6f258f9c9aba134445b6def1461f990c7d6440c9bd3ceaeff1a26af39490c0aee6f50a850c24696ce6cc2ec154
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SSDEEP
6144:JpwMWnygVAeDkib25HSr/qcDK9QZ+Z+6CbBTwSqxAnQtGTWTi:JpfWyoAeoiK5HSLqIB6CumnQt8B
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/4484-138-0x0000000002430000-0x000000000244C000-memory.dmp family_rhadamanthys behavioral1/memory/4484-139-0x0000000002430000-0x000000000244C000-memory.dmp family_rhadamanthys behavioral1/memory/4484-140-0x0000000002430000-0x000000000244C000-memory.dmp family_rhadamanthys behavioral1/memory/4484-142-0x0000000002430000-0x000000000244C000-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-1-5-21-1013461898-3711306144-4198452673-1000\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 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 -
Program crash 1 IoCs
pid pid_target Process procid_target 448 4484 WerFault.exe 84 -
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 4484 31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe 4484 31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe 2596 dllhost.exe 2596 dllhost.exe 2596 dllhost.exe 2596 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4484 wrote to memory of 2596 4484 31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe 91 PID 4484 wrote to memory of 2596 4484 31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe 91 PID 4484 wrote to memory of 2596 4484 31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe 91 PID 4484 wrote to memory of 2596 4484 31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe 91 -
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\31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe"C:\Users\Admin\AppData\Local\Temp\31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4484 -
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:2596
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4484 -s 6362⤵
- Program crash
PID:448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4484 -ip 44841⤵PID:1884