Analysis
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max time kernel
60s -
max time network
136s -
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, 14:10
Static task
static1
Behavioral task
behavioral1
Sample
b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe
Resource
win10v2004-20230220-en
General
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Target
b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe
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Size
298KB
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MD5
e2946fa694f40ec514e773739a088cea
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SHA1
44eb5b568f634fe97ed5865ce3e865f819da2749
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SHA256
b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6
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SHA512
3325621818f5aa6472300ff287e20fe4d18c45ad5c924ceddea77e7c80006f7d6e5a82df79671a9e2334edda66dcff35d825ea62da0b9df183e55ac936974794
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SSDEEP
6144:qbHOQAkDFUgf7uN2uPqJmW36XmgiTYPDWJ:gOQP0Pq/6
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/4732-138-0x0000000002E30000-0x0000000002E4C000-memory.dmp family_rhadamanthys behavioral1/memory/4732-139-0x0000000002E30000-0x0000000002E4C000-memory.dmp family_rhadamanthys behavioral1/memory/4732-141-0x0000000002E30000-0x0000000002E4C000-memory.dmp family_rhadamanthys behavioral1/memory/4732-148-0x0000000002E30000-0x0000000002E4C000-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 4060 4732 WerFault.exe 85 -
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 4732 b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe 4732 b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4732 wrote to memory of 3620 4732 b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe 92 PID 4732 wrote to memory of 3620 4732 b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe 92 PID 4732 wrote to memory of 3620 4732 b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe 92 PID 4732 wrote to memory of 3620 4732 b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe 92 -
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\b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe"C:\Users\Admin\AppData\Local\Temp\b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4732 -
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:3620
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 7002⤵
- Program crash
PID:4060
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4732 -ip 47321⤵PID:3092