rhadamanthys | 4e6ce1876f29b56a9600f1d2460d22294b594a0f46444a58a4b4571a0530478b

General

Target

4e6ce1876f29b56a9600f1d2460d22294b594a0f46444a58a4b4571a0530478b.exe
Size

323KB
MD5

cbf2661a1302c3c4aefa4cca18283386
SHA1

31a013d174092c6b8e51d778f8d8c57991fd5255
SHA256

4e6ce1876f29b56a9600f1d2460d22294b594a0f46444a58a4b4571a0530478b
SHA512

e7387e389321a4ed7a675b34456c2d84cdc45945ae46a6032132003d315a66118c5d9dfeebeb5d1570c8c9c2b1051da72a89ff265d65a29db5ad2f97b351cb51
SSDEEP

6144:oPdZLqT1mZEHv3q3wCEJmjsg1onP4eUM:ITWT1my/lCEJmYHvUM

Score

10^/10

rhadamanthys collection discovery spyware stealer

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 4 IoCs

resource	yara_rule
behavioral1/memory/1904-136-0x00000000022B0000-0x00000000022CD000-memory.dmp	family_rhadamanthys
behavioral1/memory/1904-137-0x00000000022B0000-0x00000000022CD000-memory.dmp	family_rhadamanthys
behavioral1/memory/1904-139-0x00000000022B0000-0x00000000022CD000-memory.dmp	family_rhadamanthys
behavioral1/memory/1904-147-0x00000000022B0000-0x00000000022CD000-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
26	4852	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
4852	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-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\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 3 IoCs

pid	pid_target	Process	procid_target
1552	1904	WerFault.exe	83
1256	1904	WerFault.exe	83
3936	4852	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
4852	rundll32.exe
4852	rundll32.exe
4852	rundll32.exe
4852	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 4852	1904	4e6ce1876f29b56a9600f1d2460d22294b594a0f46444a58a4b4571a0530478b.exe	84
PID 1904 wrote to memory of 4852	1904	4e6ce1876f29b56a9600f1d2460d22294b594a0f46444a58a4b4571a0530478b.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\4e6ce1876f29b56a9600f1d2460d22294b594a0f46444a58a4b4571a0530478b.exe
"C:\Users\Admin\AppData\Local\Temp\4e6ce1876f29b56a9600f1d2460d22294b594a0f46444a58a4b4571a0530478b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Windows\system32\rundll32.exe
  "C:\Users\Admin\AppData\Roaming\nsis_unse567583.dll",PrintUIEntry |5CQkOhmAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAKVkHwBs8|AtBQPz8DCvAGsAdhkAZyEAVL8AVwA1AEZNAHT6PQA1LQJZSIPsKP|oBAIAAEiDxP8ow8zMzEyJRP8kGEiJVCQQSO+JTCQIXQFIi0S|JDBIiQQkgQE4|UhvAAhIx0QkEPYtAesOgQEQSIPAdQGPARCBAUBIOZYA+3MlnwOLDCRIA3|ISIvBSItMqwH9VHsAA9FIi8qK3wmICOvBZgVlSO+LBCVg8|AzyUj|i1AYSDvRdDb|SIPCIEiLAkj|O8J0KmaDeEj|GHUaTItAUGa|QYM4a3QHERFL+3UIERB4EC50Bf9IiwDr1UiLSPr9AMFqAEBTVVZX|0FUQVVBVkFX|l0BZoE5TVpNi||4TIvySIvZD|uF|PPwTGNJPEH|gTwJUEUAAA|7herz8EGLhAmI|vPwhcBIjTwBD3uE1moRg7wJjC0B9w+Ex|PwRItnIP9Ei18ci3ckRP+LTxhMA+FMA||ZSAPxM8lFhe|JD4Sk8|BNi8T|QYsQRTPSSAP|04oChMB0HUG|wcoND77A+gAB90QD0L8RdexBgf|6qvwNfHQOg||BAUmDwARBO||Jc2nrxovBD|+3DE5FiyyLTL8D63RYM+2qEHTvUUGLFMEA0zPJ|4oCTIvC6w|B7cnIEQPI5RABQYr9ANUQ7TPAM|ZB5zsMtuAQpgCDxgH|g|gIcu7rCkj|i8tB|9VJiQT394PF5BDEBDtv9xhyr2YBQV9BXv9BXUFcX15dW74zF0iB7GABZACL|+noZv7||0iFb8APhJh1IEyNrwF9iysQyDP|6Jt9IP+NXwRMjUVGM3|Si8v|VCRogCC|TIvgD4RrdSBF3qgQM8CL05EgSInXfCQgpiBwgCBIi8|wD4RLdSCmIFBI|41WCESNR0BI942MJIURSIvY6Lt8|X4gjVZI3iAQ2uIhzPPw6GfvIESLTwaNVwhBIKYgWMohr4mEJICHEt7z8Is9DtogWImMJHERBzC2kSDoMe8gi5wtMkz|i106SIP7bEj+iiAwTIlkJDhMu4ukGjJMiVyEAYTbJNyHEYaSjRGNR+5LMIwk8PPwSYvUt+jp|AUwipx4Mkj7jYR4MkGA8yGN309sRDAYpAKD6d8BdfOBvHgyIVL|ZXh1TYuEJPTuIjGUJPg1AcJIO||YcjiD+mx2M+9EjUlA+gCUQbjpAJgApiBAyiL4dBn5RLYwwDFJjVQkbH6RIEmD6Gzoa4Iw90iLzqYgeEiF|z90EotVQkyOMBsx|0iNTCRA|9dIA4HEdCFhJC0ILQE=
  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:4852
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 4852 -s 660
    3⤵
    - Program crash
    PID:3936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 700
  2⤵
  - Program crash
  PID:1552
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 704
  2⤵
  - Program crash
  PID:1256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1904 -ip 1904
1⤵
PID:1264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1904 -ip 1904
1⤵
PID:2844

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 584 -p 4852 -ip 4852
1⤵
PID:2560

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_unse567583.dll

Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
C:\Users\Admin\AppData\Roaming\nsis_unse567583.dll

Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
memory/1904-146-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/1904-136-0x00000000022B0000-0x00000000022CD000-memory.dmp

Filesize
116KB

Download
memory/1904-137-0x00000000022B0000-0x00000000022CD000-memory.dmp

Filesize
116KB

Download
memory/1904-138-0x00000000022D0000-0x00000000022EA000-memory.dmp

Filesize
104KB

Download
memory/1904-139-0x00000000022B0000-0x00000000022CD000-memory.dmp

Filesize
116KB

Download
memory/1904-147-0x00000000022B0000-0x00000000022CD000-memory.dmp

Filesize
116KB

Download
memory/1904-134-0x00000000005A0000-0x00000000005C5000-memory.dmp

Filesize
148KB

Download
memory/4852-144-0x00007FF4EAC20000-0x00007FF4EAD1A000-memory.dmp

Filesize
1000KB

Download
memory/4852-145-0x00007FF4EAC20000-0x00007FF4EAD1A000-memory.dmp

Filesize
1000KB

Download
memory/4852-143-0x0000029139C80000-0x0000029139C87000-memory.dmp

Filesize
28KB

Download
memory/4852-148-0x00007FF4EAC20000-0x00007FF4EAD1A000-memory.dmp

Filesize
1000KB

Download
memory/4852-149-0x00007FF4EAC20000-0x00007FF4EAD1A000-memory.dmp

Filesize
1000KB

Download
memory/4852-150-0x00007FF4EAC20000-0x00007FF4EAD1A000-memory.dmp

Filesize
1000KB

Download
memory/4852-151-0x00007FF4EAC20000-0x00007FF4EAD1A000-memory.dmp

Filesize
1000KB

Download
memory/4852-152-0x00007FFA608A0000-0x00007FFA608B2000-memory.dmp

Filesize
72KB

Download

Analysis

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