rhadamanthys | 6964bc2594f2b081d1e07ca6c8c2ead80731703ca2401d6ddb5b87ec5788282f

General

Target

c565403db8f6327849b0fef6025dd2dff3a876213f8ea1d08fe2173dcb40a16d.exe
Size

237KB
MD5

a3276eef551bec1861ea4e4afee75c4e
SHA1

0ab5e8ed6981d6c3786e2ed181138eda21985728
SHA256

c565403db8f6327849b0fef6025dd2dff3a876213f8ea1d08fe2173dcb40a16d
SHA512

e32e4244f4701fb384cad8b2849641952bc17f48044590f6ca809fb61f91f98c6f9ca30d6655350a578740544548906560efae8b720aa20bf25206a889195dae
SSDEEP

3072:PkN6wQLs+lo5aes6pzLiodabs6C/6JNTXm3HIxrXKKeMST9/VvQO:3L1lz76lLJdAJJkHIpXKKeD9dvQ

Score

10^/10

rhadamanthys collection discovery spyware stealer

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 2 IoCs

resource	yara_rule
behavioral2/memory/3224-136-0x0000000002400000-0x000000000241D000-memory.dmp	family_rhadamanthys
behavioral2/memory/3224-145-0x0000000002400000-0x000000000241D000-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	2384	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2384	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\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe
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

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
2696	3224	WerFault.exe	81
1988	2384	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
2384	rundll32.exe
2384	rundll32.exe
2384	rundll32.exe
2384	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3224 wrote to memory of 2384	3224	c565403db8f6327849b0fef6025dd2dff3a876213f8ea1d08fe2173dcb40a16d.exe	84
PID 3224 wrote to memory of 2384	3224	c565403db8f6327849b0fef6025dd2dff3a876213f8ea1d08fe2173dcb40a16d.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\c565403db8f6327849b0fef6025dd2dff3a876213f8ea1d08fe2173dcb40a16d.exe
"C:\Users\Admin\AppData\Local\Temp\c565403db8f6327849b0fef6025dd2dff3a876213f8ea1d08fe2173dcb40a16d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3224
- C:\Windows\system32\rundll32.exe
  "C:\Users\Admin\AppData\Roaming\nsis_unse56b3e3.dll",PrintUIEntry |5CQkOhmAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAKVkHwBs8|AtBQPz8Dj|AFIAQwBvAHD|AHcAegAxAFmuIwBaADc7ADYtAln|SIPsKOgEAgD|AEiDxCjDzMz|zEyJRCQYSIn|VCQQSIlMJAj+XQFIi0QkMEiJ2wQkgQE4SG8ACEhvx0QkEC0B6w6BAV8QSIPAAY8BEIEBt0BIOZYAcyWfA4v|DCRIA8hIi8HXSItMqwFUewAD0f9Ii8qKCYgI6|3BZgVlSIsEJWD+8|AzyUiLUBhI|zvRdDZIg8Ig|0iLAkg7wnQq|2aDeEgYdRpM|4tAUGZBgzhru3QHERFLdQgREHj|EC50BUiLAOuv1UiLSP0AwWoAQP9TVVZXQVRBVe9BVkFXXQFmgTn|TVpNi|hMi|K|SIvZD4X88|BM|2NJPEGBPAlQv0UAAA+F6vPwQe+LhAmI8|CFwEi|jTwBD4TWahGDd7wJjC0BD4TH8|D|RItnIESLXxz|i3ckRItPGEz|A+FMA9lIA|H|M8lFhckPhKT+8|BNi8RBixBF|zPSSAPTigKE|8B0HUHByg0Pe77A+gABRAPQvxH|dexBgfqq|A3|fHQOg8EBSYP|wARBO8lzaev|xovBD7cMTkX|iyyLTAPrdFj7M+2qEHRRQYsU|sEA0zPJigJMi9|C6w|BycgRA8je5RABQYoA1RDtM3|AM|ZBOwy24BD+pgCDxgGD+Ahy|+7rCkiLy0H|f9VJiQT3g8XkEH|EBDtvGHKvZgH|QV9BXkFdQVzvX15dWzMXSIHs+2ABZACL6ehm|v|||0iFwA+EmNZ1IEyNrwGLKxDIM|f|6Jt9II1fBEz|jUVGM9KLy||3VCRogCBMi+AP64RrdSBFqBAzwIt905EgSIl8JCCmIP1wgCBIi|APhEv8dSCmIFBIjVYIRH+NR0BIjYwkhRG|SIvY6Hz9fiCNq1ZI3iAQ4iHM8|Do|WfvIESLBo1XCPRBIKYgWMohiYQkgNqHEt7z8IsO2iBYiWOMJHERBzCRIOgx7yD7i5wtMkyLXTpI74P7bEiKIDBMib9kJDhMi6QaMky7iVyEAYQk3IcRhu2SjRGNR0swjCTwfvPwSYvU6On8BTC7ipx4MkiNhHgyQf+A8yGNT2xEMP0YpAKD6QF184H9vHgyIVJleHVN74uEJPQiMZQk+P41AcJIO9hyOIP|+mx2M0SNSUCe+gCUQbgAmACmIECeyiL4dBlEtjDAMUnvjVQkbJEgSYPod2zoa4IwSIvOpiD|eEiF|3QSi1XzQkyOMBsxSI1MJD9A|9dIgcR0IWEkAC0ILQE=
  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:2384
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2384 -s 296
    3⤵
    - Program crash
    PID:1988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 728
  2⤵
  - Program crash
  PID:2696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3224 -ip 3224
1⤵
PID:3748

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 424 -p 2384 -ip 2384
1⤵
PID:1956

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_unse56b3e3.dll

Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
C:\Users\Admin\AppData\Roaming\nsis_unse56b3e3.dll

Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
memory/2384-147-0x00007FFEA64A0000-0x00007FFEA64B2000-memory.dmp

Filesize
72KB

Download
memory/2384-146-0x00007FF410F30000-0x00007FF41102A000-memory.dmp

Filesize
1000KB

Download
memory/2384-141-0x00007FF410F30000-0x00007FF41102A000-memory.dmp

Filesize
1000KB

Download
memory/2384-140-0x000002AB90BF0000-0x000002AB90BF7000-memory.dmp

Filesize
28KB

Download
memory/3224-136-0x0000000002400000-0x000000000241D000-memory.dmp

Filesize
116KB

Download
memory/3224-132-0x0000000000A7E000-0x0000000000A9E000-memory.dmp

Filesize
128KB

Download
memory/3224-135-0x0000000000AA0000-0x0000000000AB2000-memory.dmp

Filesize
72KB

Download
memory/3224-142-0x0000000000A7E000-0x0000000000A9E000-memory.dmp

Filesize
128KB

Download
memory/3224-143-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3224-144-0x0000000000AA0000-0x0000000000AB2000-memory.dmp

Filesize
72KB

Download
memory/3224-145-0x0000000002400000-0x000000000241D000-memory.dmp

Filesize
116KB

Download
memory/3224-134-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3224-133-0x00000000009B0000-0x00000000009D5000-memory.dmp

Filesize
148KB

Download

Analysis

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