rhadamanthys | 1b889c292805d6d53f2884f560c72ed20ed525db3f2d7b91d271bf8cba24f73a

General

Target

9350441aed4906cff927d0bf862e6c0c.exe
Size

222KB
MD5

9350441aed4906cff927d0bf862e6c0c
SHA1

86e2eee06d2bdb4cfdbfba0fbc10cbcd339c2b29
SHA256

1b889c292805d6d53f2884f560c72ed20ed525db3f2d7b91d271bf8cba24f73a
SHA512

ecc91a18bb5b9fb5b3b30566c9b795253e22f4f56ae76bdfac60aa3da88245dde30510c705895a5731af0f3d93a442d494fa28f86699395e9678a664cdce805a
SSDEEP

6144:OrWLz5eCKSVsJ/MBly+l5Va5qK7IR8xSL1VX3:OrWReAeJ/klH+5oR8UZ

Score

10^/10

rhadamanthys collection discovery spyware stealer

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 2 IoCs

resource	yara_rule
behavioral2/memory/2288-136-0x0000000002630000-0x000000000264D000-memory.dmp	family_rhadamanthys
behavioral2/memory/2288-144-0x0000000002630000-0x000000000264D000-memory.dmp	family_rhadamanthys

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys

Blocklisted process makes network request 1 IoCs

flow	pid	Process
8	424	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
424	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2012	2288	WerFault.exe	81
1972	424	WerFault.exe	82

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
424	rundll32.exe
424	rundll32.exe
424	rundll32.exe
424	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 424	2288	9350441aed4906cff927d0bf862e6c0c.exe	82
PID 2288 wrote to memory of 424	2288	9350441aed4906cff927d0bf862e6c0c.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\9350441aed4906cff927d0bf862e6c0c.exe
"C:\Users\Admin\AppData\Local\Temp\9350441aed4906cff927d0bf862e6c0c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\system32\rundll32.exe
  "C:\Users\Admin\AppData\Roaming\nsis_unse567a17.dll",PrintUIEntry |5CQkOhmAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAKVkHwBs8|AtBQPz8Fr|AHEARwBLAEH|AFcAdABQADf|AFYASAB6AEn7AEUtAllIg+wo|+gEAgAASIPE|yjDzMzMTIlE|yQYSIlUJBBI74lMJAhdAUiLRL8kMEiJBCSBATj9SG8ACEjHRCQQ9i0B6w6BARBIg8B1AY8BEIEBQEg5lgD7cyWfA4sMJEgDf8hIi8FIi0yrAf1UewAD0UiLyorfCYgI68FmBWVI74sEJWDz8DPJSP+LUBhIO9F0Nv9Ig8IgSIsCSP87wnQqZoN4SP8YdRpMi0BQZr9BgzhrdAcREUv7dQgREHgQLnQF|0iLAOvVSItI+v0AwWoAQFNVVlf|QVRBVUFWQVf+XQFmgTlNWk2L||hMi|JIi9kP+4X88|BMY0k8Qe+BPAlQVgAPheq+8|BBi4QJiPPwhf|ASI08AQ+E1t5qEYO8CYwtAQ+E|cfz8ESLZyBEi|9fHIt3JESLT|8YTAPhTAPZSP8D8TPJRYXJD|uEpPPwTYvEQYv|EEUz0kgD04r|AoTAdB1BwcrvDQ++wPoAAUQD|dC|EXXsQYH6qv|8DXx0DoPBAf9Jg8AEQTvJc|9p68aLwQ+3DP9ORYssi0wD6+90WDPtqhB0UUH7ixTBANMzyYoCf0yLwusPwcnIEXsDyOUQAUGKANUQ|+0zwDP2QTsM+bbgEKYAg8YBg|j|CHLu6wpIi8v|Qf|VSYkE94P9xeQQxAQ7bxhy|a9mAUFfQV5BXb9BXF9eXVszF0jvgexgAWQAi+no|2b+||9IhcAPW4SYdSBMja8BiysQ38gz|+ibfSCNX|8ETI1FRjPSi9|L|1QkaIAgTIuv4A+Ea3UgRagQM|fAi9ORIEiJfCT1IKYgcIAgSIvwD|OES3UgpiBQSI1W|whEjUdASI2M|SSFEUiL2Oh8|a5+II1WSN4gEOIhzPbz8Ohn7yBEiwaN01cIQSCmIFjKIYmEaySAhxLe8|CLDtogj1iJjCRxEQcwkSDo7THvIIucLTJMi12|OkiD+2xIiiAw|0yJZCQ4TIuk7hoyTIlchAGEJNy2hxGGko0RjUdLMIz7JPDz8EmL1Ojp7fwFMIqceDJIjYT+eDJBgPMhjU9s90QwGKQCg+kBdffzgbx4MiFSZXi|dU2LhCT0IjGU+yT4NQHCSDvYcv84g|psdjNEjXtJQPoAlEG4AJgAeqYgQMoi+HQZRLYwvsAxSY1UJGyRIEnfg+hs6GuCMEiL|c6mIHhIhf90Es+LVUJMjjAbMUiN|0wkQP|XSIHEAHQhYSQtCC0B
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - outlook_office_path
  - outlook_win_path
  PID:424
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 424 -s 296
    3⤵
    - Program crash
    PID:1972
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 696
  2⤵
  - Program crash
  PID:2012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2288 -ip 2288
1⤵
PID:4384

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 552 -p 424 -ip 424
1⤵
PID:3976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\nsis_unse567a17.dll

Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
C:\Users\Admin\AppData\Roaming\nsis_unse567a17.dll

Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
memory/424-141-0x00007FF44CB50000-0x00007FF44CC4A000-memory.dmp

Filesize
1000KB

Download
memory/424-140-0x000001E846BE0000-0x000001E846BE7000-memory.dmp

Filesize
28KB

Download
memory/424-145-0x00007FF44CB50000-0x00007FF44CC4A000-memory.dmp

Filesize
1000KB

Download
memory/424-146-0x00007FF963550000-0x00007FF963562000-memory.dmp

Filesize
72KB

Download
memory/2288-135-0x0000000000AB1000-0x0000000000AC2000-memory.dmp

Filesize
68KB

Download
memory/2288-136-0x0000000002630000-0x000000000264D000-memory.dmp

Filesize
116KB

Download
memory/2288-134-0x0000000000400000-0x0000000000755000-memory.dmp

Filesize
3.3MB

Download
memory/2288-132-0x0000000000A8E000-0x0000000000AAE000-memory.dmp

Filesize
128KB

Download
memory/2288-133-0x00000000009F0000-0x0000000000A15000-memory.dmp

Filesize
148KB

Download
memory/2288-143-0x0000000000AB1000-0x0000000000AC2000-memory.dmp

Filesize
68KB

Download
memory/2288-142-0x0000000000A8E000-0x0000000000AAE000-memory.dmp

Filesize
128KB

Download
memory/2288-144-0x0000000002630000-0x000000000264D000-memory.dmp

Filesize
116KB

Download

Analysis

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