rhadamanthys | f33e43ec6f4426ec239385ceced1a66f8de71114b63ef993750004469fae8108

General

Target

f33e43ec6f4426ec239385ceced1a66f8de71114b63ef993750004469fae8108.exe
Size

324KB
MD5

eab34773c208f92d39686d3015968a9e
SHA1

e7b53dcea746c63065d068a731bf9ac3b2a68698
SHA256

f33e43ec6f4426ec239385ceced1a66f8de71114b63ef993750004469fae8108
SHA512

83b15c0cfd594ba1ae8e89db1c96a25e2caa29d8bd3b8271778bbb92895e49d510af43c7b089a7b63238c17f1b6023e305ed74169a9ab5c98f0898b2afdee59d
SSDEEP

6144:M7uLolWx1jVoBQ4tlr0CMN8EIaELUzOP:3Ya1mfeNTVEd

Score

10^/10

rhadamanthys collection discovery spyware stealer

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 3 IoCs

resource	yara_rule
behavioral1/memory/860-136-0x00000000049B0000-0x00000000049CD000-memory.dmp	family_rhadamanthys
behavioral1/memory/860-139-0x00000000049B0000-0x00000000049CD000-memory.dmp	family_rhadamanthys
behavioral1/memory/860-148-0x00000000049B0000-0x00000000049CD000-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
19	212	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
212	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-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\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
4128	860	WerFault.exe	84
1220	212	WerFault.exe	85

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
212	rundll32.exe
212	rundll32.exe
212	rundll32.exe
212	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 212	860	f33e43ec6f4426ec239385ceced1a66f8de71114b63ef993750004469fae8108.exe	85
PID 860 wrote to memory of 212	860	f33e43ec6f4426ec239385ceced1a66f8de71114b63ef993750004469fae8108.exe	85

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	rundll32.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	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\f33e43ec6f4426ec239385ceced1a66f8de71114b63ef993750004469fae8108.exe
"C:\Users\Admin\AppData\Local\Temp\f33e43ec6f4426ec239385ceced1a66f8de71114b63ef993750004469fae8108.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:860
- C:\Windows\system32\rundll32.exe
  "C:\Users\Admin\AppData\Roaming\nsis_unse56f959.dll",PrintUIEntry |5CQkOhmAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAKVkHwBs8|AtBQPz8Gj|AFoAbQBGAEj|AHMAUAA5AHH|AEQAZgBRAEv8SQAtAVlIg+wo6P8EAgAASIPEKP|DzMzMTIlEJP8YSIlUJBBIifdMJAhdAUiLRCTfMEiJBCSBAThIfm8ACEjHRCQQLQH76w6BARBIg8ABuo8BEIEBQEg5lgBz|SWfA4sMJEgDyL9Ii8FIi0yrAVT+ewAD0UiLyooJ74gI68FmBWVIi|cEJWDz8DPJSIv|UBhIO9F0Nkj|g8IgSIsCSDv|wnQqZoN4SBj|dRpMi0BQZkHfgzhrdAcREUt1|QgREHgQLnQFSH+LAOvVSItI|QD9wWoAQFNVVldBf1RBVUFWQVddAf9mgTlNWk2L+P9Mi|JIi9kPhf388|BMY0k8QYH|PAlQRQAAD4V96vPwQYuECYjz8P+FwEiNPAEPhL3WahGDvAmMLQEP+4TH8|BEi2cgRP+LXxyLdyREi|9PGEwD4UwD2f9IA|EzyUWFyfcPhKTz8E2LxEH|ixBFM9JIA9P|igKEwHQdQcHfyg0PvsD6AAFE+wPQvxF17EGB+v+q|A18dA6Dwf8BSYPABEE7yf9zaevGi8EPt|8MTkWLLItMA9|rdFgz7aoQdFH3QYsUwQDTM8mK|wJMi8LrD8HJ9sgRA8jlEAFBigD+1RDtM8Az9kE78wy24BCmAIPGAYP|+Ahy7usKSIv|y0H|1UmJBPf7g8XkEMQEO28Y+3KvZgFBX0FeQX9dQVxfXl1bMxffSIHsYAFkAIvp|+hm|v||SIXAtw+EmHUgTI2vAYu+KxDIM||om30gjf9fBEyNRUYz0r+Ly|9UJGiAIExfi+APhGt1IEWoEO8zwIvTkSBIiXzrJCCmIHCAIEiL8OcPhEt1IKYgUEiN|1YIRI1HQEiN+4wkhRFIi9jofF39fiCNVkjeIBDiIe3M8|DoZ+8gRIsGp41XCEEgpiBYyiGJ14QkgIcS3vPwiw4e2iBYiYwkcREHMJEg2+gx7yCLnC0yTIt|XTpIg|tsSIog|zBMiWQkOEyL3aQaMkyJXIQBhCRt3IcRhpKNEY1HSzD3jCTw8|BJi9To2+n8BTCKnHgySI39hHgyQYDzIY1P72xEMBikAoPpAe9184G8eDIhUmV|eHVNi4Qk9CIx95Qk+DUBwkg72P9yOIP6bHYzRPeNSUD6AJRBuAD0mACmIEDKIvh0GUR8tjDAMUmNVCRskSC|SYPobOhrgjBI+4vOpiB4SIX|dJ8Si1VCTI4wGzFI|41MJED|10iBAcR0IWEkLQgtAQ==
  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:212
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 212 -s 296
    3⤵
    - Program crash
    PID:1220
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 860 -s 632
  2⤵
  - Program crash
  PID:4128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 860 -ip 860
1⤵
PID:4476

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 196 -p 212 -ip 212
1⤵
PID:4560

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\nsis_unse56f959.dll

Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
C:\Users\Admin\AppData\Roaming\nsis_unse56f959.dll

Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
memory/212-145-0x00007FF409BE0000-0x00007FF409CDA000-memory.dmp

Filesize
1000KB

Download
memory/212-149-0x00007FF409BE0000-0x00007FF409CDA000-memory.dmp

Filesize
1000KB

Download
memory/212-154-0x00007FFAA0890000-0x00007FFAA08A2000-memory.dmp

Filesize
72KB

Download
memory/212-153-0x00007FF409BE0000-0x00007FF409CDA000-memory.dmp

Filesize
1000KB

Download
memory/212-143-0x000001AA62F70000-0x000001AA62F77000-memory.dmp

Filesize
28KB

Download
memory/212-144-0x00007FF409BE0000-0x00007FF409CDA000-memory.dmp

Filesize
1000KB

Download
memory/212-152-0x00007FF409BE0000-0x00007FF409CDA000-memory.dmp

Filesize
1000KB

Download
memory/212-151-0x00007FF409BE0000-0x00007FF409CDA000-memory.dmp

Filesize
1000KB

Download
memory/212-150-0x00007FF409BE0000-0x00007FF409CDA000-memory.dmp

Filesize
1000KB

Download
memory/860-148-0x00000000049B0000-0x00000000049CD000-memory.dmp

Filesize
116KB

Download
memory/860-139-0x00000000049B0000-0x00000000049CD000-memory.dmp

Filesize
116KB

Download
memory/860-147-0x0000000002D50000-0x0000000002D75000-memory.dmp

Filesize
148KB

Download
memory/860-146-0x0000000000400000-0x0000000002BBF000-memory.dmp

Filesize
39.7MB

Download
memory/860-134-0x0000000002D50000-0x0000000002D75000-memory.dmp

Filesize
148KB

Download
memory/860-136-0x00000000049B0000-0x00000000049CD000-memory.dmp

Filesize
116KB

Download
memory/860-137-0x0000000004930000-0x0000000004932000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing