Analysis
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max time kernel
90s -
max time network
152s -
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, 23:43
Static task
static1
Behavioral task
behavioral1
Sample
2f5d656bdb9f72da1bd1e33c2dd53886bb8d4b4f009c0f8b52110c2bfb0050cb.exe
Resource
win10v2004-20230220-en
General
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Target
2f5d656bdb9f72da1bd1e33c2dd53886bb8d4b4f009c0f8b52110c2bfb0050cb.exe
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Size
298KB
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MD5
d978c2cc32e297988336cb02b7066dc7
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SHA1
ed417d052093970dcd82f776cb5bd9d552af2625
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SHA256
2f5d656bdb9f72da1bd1e33c2dd53886bb8d4b4f009c0f8b52110c2bfb0050cb
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SHA512
59d5931a723f6c0fd973fe3e0e3966d689ce9f6dd0eaaeea86433b81ff4fe2d2fe2037bccd275a171935202cc9f6942c709cecd2c4f1e9bfe1ee9efe8b9e708d
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SSDEEP
6144:nYCWpAZsddT5w4gympGTnLsM7546+W3g4/ve:nGpAZ03wMLL7RZ
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/1868-139-0x0000000002D40000-0x0000000002D5C000-memory.dmp family_rhadamanthys behavioral1/memory/1868-140-0x0000000002D40000-0x0000000002D5C000-memory.dmp family_rhadamanthys behavioral1/memory/1868-142-0x0000000002D40000-0x0000000002D5C000-memory.dmp family_rhadamanthys behavioral1/memory/1868-149-0x0000000002D40000-0x0000000002D5C000-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\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 Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 636 1868 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 1868 2f5d656bdb9f72da1bd1e33c2dd53886bb8d4b4f009c0f8b52110c2bfb0050cb.exe 1868 2f5d656bdb9f72da1bd1e33c2dd53886bb8d4b4f009c0f8b52110c2bfb0050cb.exe 3084 dllhost.exe 3084 dllhost.exe 3084 dllhost.exe 3084 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1868 wrote to memory of 3084 1868 2f5d656bdb9f72da1bd1e33c2dd53886bb8d4b4f009c0f8b52110c2bfb0050cb.exe 83 PID 1868 wrote to memory of 3084 1868 2f5d656bdb9f72da1bd1e33c2dd53886bb8d4b4f009c0f8b52110c2bfb0050cb.exe 83 PID 1868 wrote to memory of 3084 1868 2f5d656bdb9f72da1bd1e33c2dd53886bb8d4b4f009c0f8b52110c2bfb0050cb.exe 83 PID 1868 wrote to memory of 3084 1868 2f5d656bdb9f72da1bd1e33c2dd53886bb8d4b4f009c0f8b52110c2bfb0050cb.exe 83 -
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\2f5d656bdb9f72da1bd1e33c2dd53886bb8d4b4f009c0f8b52110c2bfb0050cb.exe"C:\Users\Admin\AppData\Local\Temp\2f5d656bdb9f72da1bd1e33c2dd53886bb8d4b4f009c0f8b52110c2bfb0050cb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1868 -
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:3084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 7322⤵
- Program crash
PID:636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1868 -ip 18681⤵PID:4732