Analysis
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max time kernel
95s -
max time network
150s -
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, 08:30
Static task
static1
Behavioral task
behavioral1
Sample
076a0fb7ebf20a100ef850835a9cfe79d33e6dc797b78d267f92982ec75807f3.exe
Resource
win10v2004-20230220-en
General
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Target
076a0fb7ebf20a100ef850835a9cfe79d33e6dc797b78d267f92982ec75807f3.exe
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Size
424KB
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MD5
c7013845630a13cd1161a9bce5482f67
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SHA1
8f65a5509972092bb3087ac120c2cc741a41ea0b
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SHA256
076a0fb7ebf20a100ef850835a9cfe79d33e6dc797b78d267f92982ec75807f3
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SHA512
b4b6513c970a32b8459b0576ed81cf0f59c833ec9f311fd79a59a787ad9d514562f41916014e9a42f6e2a24ef6b458ab268727b5c906191c98bf758b7196dde5
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SSDEEP
6144:SpwMWnygVAeDki6eigMS/J8I4Xvnu33/rCkf+lD+mHR4WTi:SpfWyoAeoi84S833/vfHyRC
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/3500-138-0x0000000002580000-0x000000000259C000-memory.dmp family_rhadamanthys behavioral1/memory/3500-139-0x0000000002580000-0x000000000259C000-memory.dmp family_rhadamanthys behavioral1/memory/3500-141-0x0000000002580000-0x000000000259C000-memory.dmp family_rhadamanthys behavioral1/memory/3500-148-0x0000000002580000-0x000000000259C000-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-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4932 3500 WerFault.exe 83 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dllhost.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 dllhost.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3500 076a0fb7ebf20a100ef850835a9cfe79d33e6dc797b78d267f92982ec75807f3.exe 3500 076a0fb7ebf20a100ef850835a9cfe79d33e6dc797b78d267f92982ec75807f3.exe 4136 dllhost.exe 4136 dllhost.exe 4136 dllhost.exe 4136 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3500 wrote to memory of 4136 3500 076a0fb7ebf20a100ef850835a9cfe79d33e6dc797b78d267f92982ec75807f3.exe 90 PID 3500 wrote to memory of 4136 3500 076a0fb7ebf20a100ef850835a9cfe79d33e6dc797b78d267f92982ec75807f3.exe 90 PID 3500 wrote to memory of 4136 3500 076a0fb7ebf20a100ef850835a9cfe79d33e6dc797b78d267f92982ec75807f3.exe 90 PID 3500 wrote to memory of 4136 3500 076a0fb7ebf20a100ef850835a9cfe79d33e6dc797b78d267f92982ec75807f3.exe 90 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\076a0fb7ebf20a100ef850835a9cfe79d33e6dc797b78d267f92982ec75807f3.exe"C:\Users\Admin\AppData\Local\Temp\076a0fb7ebf20a100ef850835a9cfe79d33e6dc797b78d267f92982ec75807f3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3500 -
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:4136
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 7322⤵
- Program crash
PID:4932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3500 -ip 35001⤵PID:3576