rhadamanthys | efa4a0859c8290523a0df1f94b4cc9ce216d6c38404b4b28a1abd9fc43e1f731

General

Target

efa4a0859c8290523a0df1f94b4cc9ce216d6c38404b4b28a1abd9fc43e1f731.exe
Size

275KB
MD5

5c02645c4cb1a85628d57c6ab406d608
SHA1

af5a1a5f5d29906f3bcec8d65dc7059295e25b02
SHA256

efa4a0859c8290523a0df1f94b4cc9ce216d6c38404b4b28a1abd9fc43e1f731
SHA512

2dab696d97310d10569a25dd1358f24d1776d19f800f2cafaf8beee065ab2e3398f37dd37e9cdb6afda262c3e59e11c333256a315266a34a1e864f068a21f432
SSDEEP

6144:aZzdW+h4Fu1WI16M1JfCBa1vR+SIQWTt:aWFudcijR+F

Score

10^/10

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 4 IoCs

resource	yara_rule
behavioral1/memory/2264-127-0x0000000002230000-0x000000000224C000-memory.dmp	family_rhadamanthys
behavioral1/memory/2264-129-0x0000000002230000-0x000000000224C000-memory.dmp	family_rhadamanthys
behavioral1/memory/2264-130-0x0000000002230000-0x000000000224C000-memory.dmp	family_rhadamanthys
behavioral1/memory/2264-139-0x0000000002230000-0x000000000224C000-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-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	dllhost.exe

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
2264	efa4a0859c8290523a0df1f94b4cc9ce216d6c38404b4b28a1abd9fc43e1f731.exe
2264	efa4a0859c8290523a0df1f94b4cc9ce216d6c38404b4b28a1abd9fc43e1f731.exe
2804	dllhost.exe
2804	dllhost.exe
2804	dllhost.exe
2804	dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2804	2264	efa4a0859c8290523a0df1f94b4cc9ce216d6c38404b4b28a1abd9fc43e1f731.exe	66
PID 2264 wrote to memory of 2804	2264	efa4a0859c8290523a0df1f94b4cc9ce216d6c38404b4b28a1abd9fc43e1f731.exe	66
PID 2264 wrote to memory of 2804	2264	efa4a0859c8290523a0df1f94b4cc9ce216d6c38404b4b28a1abd9fc43e1f731.exe	66
PID 2264 wrote to memory of 2804	2264	efa4a0859c8290523a0df1f94b4cc9ce216d6c38404b4b28a1abd9fc43e1f731.exe	66

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	dllhost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	dllhost.exe

C:\Users\Admin\AppData\Local\Temp\efa4a0859c8290523a0df1f94b4cc9ce216d6c38404b4b28a1abd9fc43e1f731.exe
"C:\Users\Admin\AppData\Local\Temp\efa4a0859c8290523a0df1f94b4cc9ce216d6c38404b4b28a1abd9fc43e1f731.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2264
- 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:2804

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/2264-132-0x0000000000550000-0x0000000000553000-memory.dmp

Filesize
12KB

Download
memory/2264-139-0x0000000002230000-0x000000000224C000-memory.dmp

Filesize
112KB

Download
memory/2264-124-0x0000000000580000-0x00000000005AE000-memory.dmp

Filesize
184KB

Download
memory/2264-122-0x0000000000580000-0x00000000005AE000-memory.dmp

Filesize
184KB

Download
memory/2264-128-0x0000000000550000-0x0000000000552000-memory.dmp

Filesize
8KB

Download
memory/2264-129-0x0000000002230000-0x000000000224C000-memory.dmp

Filesize
112KB

Download
memory/2264-130-0x0000000002230000-0x000000000224C000-memory.dmp

Filesize
112KB

Download
memory/2264-138-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2264-123-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2264-127-0x0000000002230000-0x000000000224C000-memory.dmp

Filesize
112KB

Download
memory/2804-136-0x00007FF6E6440000-0x00007FF6E653A000-memory.dmp

Filesize
1000KB

Download
memory/2804-137-0x00007FF6E6440000-0x00007FF6E653A000-memory.dmp

Filesize
1000KB

Download
memory/2804-131-0x000001FBF2A30000-0x000001FBF2A31000-memory.dmp

Filesize
4KB

Download
memory/2804-133-0x000001FBF29E0000-0x000001FBF29E7000-memory.dmp

Filesize
28KB

Download
memory/2804-140-0x00007FF6E6440000-0x00007FF6E653A000-memory.dmp

Filesize
1000KB

Download
memory/2804-141-0x00007FF6E6440000-0x00007FF6E653A000-memory.dmp

Filesize
1000KB

Download
memory/2804-142-0x00007FF6E6440000-0x00007FF6E653A000-memory.dmp

Filesize
1000KB

Download
memory/2804-143-0x00007FF6E6440000-0x00007FF6E653A000-memory.dmp

Filesize
1000KB

Download
memory/2804-144-0x00007FF6E6440000-0x00007FF6E653A000-memory.dmp

Filesize
1000KB

Download

Analysis

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