rhadamanthys | c6ae0ee31c4c3a75db5f96840a335a01164f1e27750024d8ca8af455bf970788

General

Target

e95ef576ac1ad8a5ecaa2d8698152cc9.exe
Size

222KB
MD5

e95ef576ac1ad8a5ecaa2d8698152cc9
SHA1

1c1b4894b859420bf8033a9d9f4faf03d1dfc8bb
SHA256

c6ae0ee31c4c3a75db5f96840a335a01164f1e27750024d8ca8af455bf970788
SHA512

d94f47c614ec6498263c87ccbc1a81c6eeddef950396011f941d1560875dff10fbc4b908df9569a9fbd845b7d8d1486f53b7e6da6829a9c360046fce082b36c6
SSDEEP

3072:5jxGkbL6sYwP536/DjGxat2pNYdR+0A9V8KDJUD53Zu7yQawdpitYw:5L5Ywp+DjsY2pNKOHJUD53fQawW

Score

10^/10

rhadamanthys collection discovery spyware stealer

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 2 IoCs

resource	yara_rule
behavioral2/memory/1652-135-0x0000000004970000-0x000000000498D000-memory.dmp	family_rhadamanthys
behavioral2/memory/1652-143-0x0000000004970000-0x000000000498D000-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
15	4656	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
4656	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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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
884	1652	WerFault.exe	80
2380	4656	WerFault.exe	84

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
4656	rundll32.exe
4656	rundll32.exe
4656	rundll32.exe
4656	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 4656	1652	e95ef576ac1ad8a5ecaa2d8698152cc9.exe	84
PID 1652 wrote to memory of 4656	1652	e95ef576ac1ad8a5ecaa2d8698152cc9.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\e95ef576ac1ad8a5ecaa2d8698152cc9.exe
"C:\Users\Admin\AppData\Local\Temp\e95ef576ac1ad8a5ecaa2d8698152cc9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\system32\rundll32.exe
  "C:\Users\Admin\AppData\Roaming\nsis_unse56ae75.dll",PrintUIEntry |5CQkOhmAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAKVkHwBs8|AtBQPz8Ei|ADAAWQBFPQBIvwBEAG8AeDsAS78AVgBiAEMtAll|SIPsKOgEAjoA|4PEKMPMzMxM|4lEJBhIiVQkvxBIiUwkCF0BSP+LRCQwSIkEJPaBAThIbwAISMdE2yQQLQHrDoEBEEjXg8ABjwEQgQFASO05lgBzJZ8Diwwk|0gDyEiLwUiL9UyrAVR7AAPRSIt|yooJiAjrwWYFv2VIiwQlYPPwM||JSItQGEg70f90NkiDwiBIi|8CSDvCdCpmg|94SBh1GkyLQP9QZkGDOGt0B+4REUt1CBEQeBAu|3QFSIsA69VI64tI|QDBagBAU1X|VldBVEFVQVb7QVddAWaBOU1a|02L+EyL8kiL79kPhfzz8ExjSf88QYE8CVBFAO8AD4Xq8|BBi4T7CYjz8IXASI087wEPhNZqEYO8Cd2MLQEPhMfz8ESL|2cgRItfHIt3|yREi08YTAPh|0wD2UgD8TPJv0WFyQ+EpPPwTf+LxEGLEEUz0v9IA9OKAoTAdP8dQcHKDQ++wN76AAFEA9C|EXXs|0GB+qr8DXx0|w6DwQFJg8AE|0E7yXNp68aL|8EPtwxORYss|4tMA+t0WDPtvqoQdFFBixTBANP|M8mKAkyLwuu3D8HJyBEDyOUQAfdBigDVEO0zwDOf9kE7DLbgEKYAg||GAYP4CHLu6|8KSIvLQf|VSd+JBPeDxeQQxATfO28Ycq9mAUFf|0FeQV1BXF9e+11bMxdIgexgAf46AIvp6Gb+||+|SIXAD4SYdSBM9Y2vAYsrEMgz|+j9m30gjV8ETI1F|0Yz0ovL|1Qk|WiAIEyL4A+Ea3p1IEWoEDPAi9ORIF9IiXwkIKYgcIAgP0iL8A+ES3UgpiD|UEiNVghEjUffQEiNjCSFEUiL79jofP1+II1WSGreIBDiIczz8Ohn7yA|RIsGjVcIQSCmIL1YyiGJhCSAhxLe9vPwiw7aIFiJjCTYcREHMJEg6DHvIIuc|i0yTItdOkiD+|tsSIogMEyJZCTvOEyLpBoyTIlcboQBhCTchxGGko0Ru41HSzCMJPDz8Enfi9To6fwFMIqc7ngySI2EeDJBgPN|IY1PbEQwGKQCf4PpAXXzgbx4Mv8hUmV4dU2LhLsk9CIxlCT4NQHC|0g72HI4g|psv3YzRI1JQPoAlKdBuACYAKYgQMoi+Od0GUS2MMAxSY1U+yRskSBJg+hs6N1rgjBIi86mIHhI|4X|dBKLVUJM|I4wGzFIjUwkQP8P10iBxHQhYSQtCC0B
  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:4656
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 4656 -s 296
    3⤵
    - Program crash
    PID:2380
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 636
  2⤵
  - Program crash
  PID:884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1652 -ip 1652
1⤵
PID:1000

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 420 -p 4656 -ip 4656
1⤵
PID:3816

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_unse56ae75.dll

Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
C:\Users\Admin\AppData\Roaming\nsis_unse56ae75.dll

Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
memory/1652-135-0x0000000004970000-0x000000000498D000-memory.dmp

Filesize
116KB

Download
memory/1652-132-0x0000000002EAE000-0x0000000002ECF000-memory.dmp

Filesize
132KB

Download
memory/1652-136-0x0000000002ECE000-0x0000000002EDF000-memory.dmp

Filesize
68KB

Download
memory/1652-134-0x0000000000400000-0x0000000002BA0000-memory.dmp

Filesize
39.6MB

Download
memory/1652-133-0x0000000002E30000-0x0000000002E55000-memory.dmp

Filesize
148KB

Download
memory/1652-142-0x0000000002ECE000-0x0000000002EDF000-memory.dmp

Filesize
68KB

Download
memory/1652-143-0x0000000004970000-0x000000000498D000-memory.dmp

Filesize
116KB

Download
memory/1652-144-0x0000000000400000-0x0000000002BA0000-memory.dmp

Filesize
39.6MB

Download
memory/4656-140-0x00000282CDA60000-0x00000282CDA67000-memory.dmp

Filesize
28KB

Download
memory/4656-141-0x00007FF478DD0000-0x00007FF478ECA000-memory.dmp

Filesize
1000KB

Download
memory/4656-145-0x00007FF478DD0000-0x00007FF478ECA000-memory.dmp

Filesize
1000KB

Download
memory/4656-146-0x00007FFDBDBB0000-0x00007FFDBDBC2000-memory.dmp

Filesize
72KB

Download

Analysis

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