rhadamanthys | bf691f2934b3fae5df5ca250f5e680bc8689fbfdbc14c3371509f9a029280d89

General

Target

4ff1f6549a50b74c188bb50f4bd7dd3e3acc3eab0e2179b067e218ac20b2dcda.exe
Size

260KB
MD5

7f6bfec88b73f0abf079a3c90b7d48da
SHA1

d8b56fad700e74693ac3a293c205923de91e83d3
SHA256

4ff1f6549a50b74c188bb50f4bd7dd3e3acc3eab0e2179b067e218ac20b2dcda
SHA512

f26cfdeaca5a056b816db78598d47eab7e9b1dc1064781fb00dc74bdad6235efdfdbb7d0ebab26cca2f595d014eea503ab393ab6926e3e8fb2067d3af8bacc37
SSDEEP

6144:F01u3ndntmDvJz/gGu5C9NJQIw3nLjSyBP:gu3nFMTJzNTiIw3nZP

Score

10^/10

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 4 IoCs

resource	yara_rule
behavioral2/memory/2372-138-0x0000000000680000-0x000000000069C000-memory.dmp	family_rhadamanthys
behavioral2/memory/2372-140-0x0000000000680000-0x000000000069C000-memory.dmp	family_rhadamanthys
behavioral2/memory/2372-143-0x0000000000680000-0x000000000069C000-memory.dmp	family_rhadamanthys
behavioral2/memory/2372-150-0x0000000000680000-0x000000000069C000-memory.dmp	family_rhadamanthys

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys

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	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	dllhost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
2372	4ff1f6549a50b74c188bb50f4bd7dd3e3acc3eab0e2179b067e218ac20b2dcda.exe
2372	4ff1f6549a50b74c188bb50f4bd7dd3e3acc3eab0e2179b067e218ac20b2dcda.exe
2372	4ff1f6549a50b74c188bb50f4bd7dd3e3acc3eab0e2179b067e218ac20b2dcda.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3012	2372	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	dllhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dllhost.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2372	4ff1f6549a50b74c188bb50f4bd7dd3e3acc3eab0e2179b067e218ac20b2dcda.exe
2372	4ff1f6549a50b74c188bb50f4bd7dd3e3acc3eab0e2179b067e218ac20b2dcda.exe
456	dllhost.exe
456	dllhost.exe
456	dllhost.exe
456	dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 456	2372	4ff1f6549a50b74c188bb50f4bd7dd3e3acc3eab0e2179b067e218ac20b2dcda.exe	97
PID 2372 wrote to memory of 456	2372	4ff1f6549a50b74c188bb50f4bd7dd3e3acc3eab0e2179b067e218ac20b2dcda.exe	97
PID 2372 wrote to memory of 456	2372	4ff1f6549a50b74c188bb50f4bd7dd3e3acc3eab0e2179b067e218ac20b2dcda.exe	97
PID 2372 wrote to memory of 456	2372	4ff1f6549a50b74c188bb50f4bd7dd3e3acc3eab0e2179b067e218ac20b2dcda.exe	97

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	dllhost.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	dllhost.exe

C:\Users\Admin\AppData\Local\Temp\4ff1f6549a50b74c188bb50f4bd7dd3e3acc3eab0e2179b067e218ac20b2dcda.exe
"C:\Users\Admin\AppData\Local\Temp\4ff1f6549a50b74c188bb50f4bd7dd3e3acc3eab0e2179b067e218ac20b2dcda.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\system32\dllhost.exe
  "C:\Windows\system32\dllhost.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - outlook_office_path
  - outlook_win_path
  PID:456
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 736
  2⤵
  - Program crash
  PID:3012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2372 -ip 2372
1⤵
PID:636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/456-146-0x00000168F0390000-0x00000168F0397000-memory.dmp

Filesize
28KB

Download
memory/456-154-0x00007FF4580D0000-0x00007FF4581CA000-memory.dmp

Filesize
1000KB

Download
memory/456-153-0x00007FF4580D0000-0x00007FF4581CA000-memory.dmp

Filesize
1000KB

Download
memory/456-152-0x00007FF4580D0000-0x00007FF4581CA000-memory.dmp

Filesize
1000KB

Download
memory/456-151-0x00007FF4580D0000-0x00007FF4581CA000-memory.dmp

Filesize
1000KB

Download
memory/456-148-0x00007FF4580D0000-0x00007FF4581CA000-memory.dmp

Filesize
1000KB

Download
memory/456-147-0x00007FF4580D0000-0x00007FF4581CA000-memory.dmp

Filesize
1000KB

Download
memory/456-144-0x00000168F0270000-0x00000168F0271000-memory.dmp

Filesize
4KB

Download
memory/2372-145-0x00000000006A0000-0x00000000006BA000-memory.dmp

Filesize
104KB

Download
memory/2372-134-0x0000000000650000-0x000000000067E000-memory.dmp

Filesize
184KB

Download
memory/2372-143-0x0000000000680000-0x000000000069C000-memory.dmp

Filesize
112KB

Download
memory/2372-142-0x00000000006A0000-0x00000000006BA000-memory.dmp

Filesize
104KB

Download
memory/2372-149-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2372-150-0x0000000000680000-0x000000000069C000-memory.dmp

Filesize
112KB

Download
memory/2372-141-0x00000000006A0000-0x00000000006BA000-memory.dmp

Filesize
104KB

Download
memory/2372-140-0x0000000000680000-0x000000000069C000-memory.dmp

Filesize
112KB

Download
memory/2372-138-0x0000000000680000-0x000000000069C000-memory.dmp

Filesize
112KB

Download
memory/2372-135-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download

Analysis

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