rhadamanthys | 08f8032cf853b669a798b2ba1a6d69abea1e60fb1c758281abb6c81635017740

Analysis

max time kernel
76s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2023, 14:57

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
file.exe
Size 361KB
Sample230306-sbkrhsch58
SHA256 08f8032cf853b669a798b2ba1a6d69abea1e60fb1c758281abb6c81635017740
MD5 1c625dcc6ff9441dd7f64cd0fdf8d274
SHA1 3e5d764568c4e646c707192bc432345e47580032
SHA512 85928bd5dfa323c75d6f420f454f4e8a9d7c9e2871502f8d0b10d713f977551b4161cc2f8e08aa6e903b70f625acb323f5069aa19c7aaf8dd13820f877ab3a80
SSDEEP 6144:Q3MuLzwEckNRoNpYCcAsqjXKhk/eG7LJsI6UW:yPwEcdrbbsKXleGPJsI6
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

rhadamanthys collection discovery spyware stealer

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 4 IoCs

resource	yara_rule
behavioral2/memory/4568-140-0x0000000002190000-0x00000000021AD000-memory.dmp	family_rhadamanthys
behavioral2/memory/4568-142-0x0000000002190000-0x00000000021AD000-memory.dmp	family_rhadamanthys
behavioral2/memory/4568-143-0x0000000002190000-0x00000000021AD000-memory.dmp	family_rhadamanthys
behavioral2/memory/4568-152-0x0000000002190000-0x00000000021AD000-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
37	3088	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
3088	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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4640 set thread context of 4568	4640	file.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2828	3088	WerFault.exe	86

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
3088	rundll32.exe
3088	rundll32.exe
3088	rundll32.exe
3088	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 4568	4640	file.exe	82
PID 4640 wrote to memory of 4568	4640	file.exe	82
PID 4640 wrote to memory of 4568	4640	file.exe	82
PID 4640 wrote to memory of 4568	4640	file.exe	82
PID 4640 wrote to memory of 4568	4640	file.exe	82
PID 4640 wrote to memory of 4568	4640	file.exe	82
PID 4640 wrote to memory of 4568	4640	file.exe	82
PID 4640 wrote to memory of 4568	4640	file.exe	82
PID 4640 wrote to memory of 4568	4640	file.exe	82
PID 4568 wrote to memory of 3088	4568	file.exe	86
PID 4568 wrote to memory of 3088	4568	file.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4640
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4568
- - C:\Windows\system32\rundll32.exe
    "C:\Users\Admin\AppData\Roaming\nsis_unse56bc7f.dll",PrintUIEntry |5CQkOhmAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAKVkHwBs8|AtBQPz8DD7AFcXAFgAQwBP6wBaHwBGPQBWAGvzAHZPAC0BWUiD7P8o6AQCAABIg||EKMPMzMxMif9EJBhIiVQkEN9IiUwkCF0BSIt|RCQwSIkEJIEB+zhIbwAISMdEJO0QLQHrDoEBEEiD68ABjwEQgQFASDn2lgBzJZ8DiwwkSP8DyEiLwUiLTPqrAVR7AAPRSIvKv4oJiAjrwWYFZd9IiwQlYPPwM8n|SItQGEg70XT|NkiDwiBIiwL|SDvCdCpmg3j|SBh1GkyLQFB|ZkGDOGt0BxER90t1CBEQeBAudP8FSIsA69VIi|VI|QDBagBAU1VW|1dBVEFVQVZB|VddAWaBOU1aTf+L+EyL8kiL2fcPhfzz8ExjSTz|QYE8CVBFAAD3D4Xq8|BBi4QJ|Yjz8IXASI08AfcPhNZqEYO8CYzuLQEPhMfz8ESLZ|8gRItfHIt3JP9Ei08YTAPhTP8D2UgD8TPJRd+FyQ+EpPPwTYv|xEGLEEUz0kj|A9OKAoTAdB1|QcHKDQ++wPoA7wFEA9C|EXXsQf+B+qr8DXx0Dv+DwQFJg8AEQf87yXNp68aLwf8PtwxORYssi39MA+t0WDPtqhDfdFFBixTBANMz|8mKAkyLwusP28HJyBEDyOUQAUH7igDVEO0zwDP2z0E7DLbgEKYAg8b|AYP4CHLu6wr|SIvLQf|VSYnvBPeDxeQQxAQ7728Ycq9mAUFfQf9eQV1BXF9eXX1bMxdIgexgAWQA|4vp6Gb+||9I34XAD4SYdSBMjfqvAYsrEMgz|+ib|n0gjV8ETI1FRv8z0ovL|1QkaH6AIEyL4A+Ea3UgvUWoEDPAi9ORIEiviXwkIKYgcIAgSJ+L8A+ES3UgpiBQ|0iNVghEjUdA70iNjCSFEUiL2HfofP1+II1WSN4gtRDiIczz8Ohn7yBEn4sGjVcIQSCmIFheyiGJhCSAhxLe8|B7iw7aIFiJjCRxEWwHMJEg6DHvIIucLTL|TItdOkiD+2z9SIogMEyJZCQ4d0yLpBoyTIlchAG3hCTchxGGko0Rjd1HSzCMJPDz8EmLb9To6fwFMIqceDL3SI2EeDJBgPMhv41PbEQwGKQCg7|pAXXzgbx4MiH|UmV4dU2LhCTd9CIxlCT4NQHCSP872HI4g|psdt8zRI1JQPoAlEHTuACYAKYgQMoi+HTzGUS2MMAxSY1UJP1skSBJg+hs6GvugjBIi86mIHhIhX||dBKLVUJMjjD+GzFIjUwkQP|XB0iBxHQhYSQtCC0B
    3⤵
    - 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:3088
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3088 -s 520
      4⤵
      Program crash
      PID:2828

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 420 -p 3088 -ip 3088
1⤵
PID:748

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

nsis_unse56bc7f.dll

Path C:\Users\Admin\AppData\Roaming\nsis_unse56bc7f.dll
Size 49KB
SHA256 438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576
MD5 832890fded186835970d1d3302590138
SHA1 5385703e9dcde43e60928b2e9c941b7232468a6a
SHA512 5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1
SSDEEP 768:aFrMkWGTEB8sbPDzuW68Ps3yJXMH5Tts9sxlBakygO7wDyEpSDAWG2NqQbZq3sYU:atbDTvBW71G5S9sxlckyV7w5pSAdV3C
MD5 SHA1 SHA512 SSDEEP

Submit Download

nsis_unse56bc7f.dll

Path C:\Users\Admin\AppData\Roaming\nsis_unse56bc7f.dll
Size 49KB
SHA256 438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576
MD5 832890fded186835970d1d3302590138
SHA1 5385703e9dcde43e60928b2e9c941b7232468a6a
SHA512 5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1
SSDEEP 768:aFrMkWGTEB8sbPDzuW68Ps3yJXMH5Tts9sxlBakygO7wDyEpSDAWG2NqQbZq3sYU:atbDTvBW71G5S9sxlckyV7w5pSAdV3C
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3088-149-0x00007FF43B5F0000-0x00007FF43B6EA000-memory.dmp

Download

memory/3088-154-0x00007FF43B5F0000-0x00007FF43B6EA000-memory.dmp

Download

memory/3088-157-0x00007FFFA65A0000-0x00007FFFA65B2000-memory.dmp

Download

memory/3088-156-0x00007FF43B5F0000-0x00007FF43B6EA000-memory.dmp

Download

memory/3088-155-0x00007FF43B5F0000-0x00007FF43B6EA000-memory.dmp

Download

memory/3088-153-0x00007FF43B5F0000-0x00007FF43B6EA000-memory.dmp

Download

memory/3088-148-0x00007FF43B5F0000-0x00007FF43B6EA000-memory.dmp

Download

memory/3088-147-0x0000019190BE0000-0x0000019190BE7000-memory.dmp

Download

memory/4568-135-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/4568-137-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/4568-152-0x0000000002190000-0x00000000021AD000-memory.dmp

Download

memory/4568-143-0x0000000002190000-0x00000000021AD000-memory.dmp

Download

memory/4568-140-0x0000000002190000-0x00000000021AD000-memory.dmp

Download

memory/4568-142-0x0000000002190000-0x00000000021AD000-memory.dmp

Download

memory/4568-139-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/4568-141-0x00000000022B0000-0x00000000022CA000-memory.dmp

Download

memory/4640-134-0x0000000002D60000-0x0000000002D85000-memory.dmp

Download