rhadamanthys | 645784b871d6a9eaefe9305a9b4a8fd6f8eb838740f58f737887608d2e84a9fc

General

Target

645784b871d6a9eaefe9305a9b4a8fd6f8eb838740f58f737887608d2e84a9fc.exe
Size

270KB
MD5

0f9694cdd6f6f21f5909880c955c2b74
SHA1

d0a899e646be9991f5c9188af7a07956bacc4509
SHA256

645784b871d6a9eaefe9305a9b4a8fd6f8eb838740f58f737887608d2e84a9fc
SHA512

ccbc59ad7c4af074ba04ea57d422ab943d1fa3401116faa610268bc8223e0da899e7e4898cef4948bee9a0ea0e1933baa1bcc2333e54b84ef33537da4dcb2e60
SSDEEP

6144:AqFIGhW+J6zoNaaOVJj9uMM5+6RUfQso:JiGT+oExksjfQs

Score

10^/10

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 4 IoCs

resource	yara_rule
behavioral1/memory/1484-138-0x00000000020F0000-0x000000000210C000-memory.dmp	family_rhadamanthys
behavioral1/memory/1484-140-0x00000000020F0000-0x000000000210C000-memory.dmp	family_rhadamanthys
behavioral1/memory/1484-143-0x00000000020F0000-0x000000000210C000-memory.dmp	family_rhadamanthys
behavioral1/memory/1484-150-0x00000000020F0000-0x000000000210C000-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
1484	645784b871d6a9eaefe9305a9b4a8fd6f8eb838740f58f737887608d2e84a9fc.exe
1484	645784b871d6a9eaefe9305a9b4a8fd6f8eb838740f58f737887608d2e84a9fc.exe
1484	645784b871d6a9eaefe9305a9b4a8fd6f8eb838740f58f737887608d2e84a9fc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3408	1484	WerFault.exe	72

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
1484	645784b871d6a9eaefe9305a9b4a8fd6f8eb838740f58f737887608d2e84a9fc.exe
1484	645784b871d6a9eaefe9305a9b4a8fd6f8eb838740f58f737887608d2e84a9fc.exe
2160	dllhost.exe
2160	dllhost.exe
2160	dllhost.exe
2160	dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 2160	1484	645784b871d6a9eaefe9305a9b4a8fd6f8eb838740f58f737887608d2e84a9fc.exe	96
PID 1484 wrote to memory of 2160	1484	645784b871d6a9eaefe9305a9b4a8fd6f8eb838740f58f737887608d2e84a9fc.exe	96
PID 1484 wrote to memory of 2160	1484	645784b871d6a9eaefe9305a9b4a8fd6f8eb838740f58f737887608d2e84a9fc.exe	96
PID 1484 wrote to memory of 2160	1484	645784b871d6a9eaefe9305a9b4a8fd6f8eb838740f58f737887608d2e84a9fc.exe	96

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\645784b871d6a9eaefe9305a9b4a8fd6f8eb838740f58f737887608d2e84a9fc.exe
"C:\Users\Admin\AppData\Local\Temp\645784b871d6a9eaefe9305a9b4a8fd6f8eb838740f58f737887608d2e84a9fc.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1484
- 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:2160
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1484 -s 708
  2⤵
  - Program crash
  PID:3408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1484 -ip 1484
1⤵
PID:2680

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/1484-149-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1484-150-0x00000000020F0000-0x000000000210C000-memory.dmp

Filesize
112KB

Download
memory/1484-138-0x00000000020F0000-0x000000000210C000-memory.dmp

Filesize
112KB

Download
memory/1484-140-0x00000000020F0000-0x000000000210C000-memory.dmp

Filesize
112KB

Download
memory/1484-141-0x0000000002120000-0x000000000213A000-memory.dmp

Filesize
104KB

Download
memory/1484-142-0x00000000023A0000-0x00000000033A0000-memory.dmp

Filesize
16.0MB

Download
memory/1484-143-0x00000000020F0000-0x000000000210C000-memory.dmp

Filesize
112KB

Download
memory/1484-134-0x00000000020C0000-0x00000000020EE000-memory.dmp

Filesize
184KB

Download
memory/1484-135-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1484-145-0x0000000002250000-0x0000000002252000-memory.dmp

Filesize
8KB

Download
memory/2160-147-0x00007FF4D3D40000-0x00007FF4D3E3A000-memory.dmp

Filesize
1000KB

Download
memory/2160-148-0x00007FF4D3D40000-0x00007FF4D3E3A000-memory.dmp

Filesize
1000KB

Download
memory/2160-144-0x000001438D650000-0x000001438D651000-memory.dmp

Filesize
4KB

Download
memory/2160-146-0x000001438D960000-0x000001438D967000-memory.dmp

Filesize
28KB

Download
memory/2160-151-0x00007FF4D3D40000-0x00007FF4D3E3A000-memory.dmp

Filesize
1000KB

Download
memory/2160-152-0x00007FF4D3D40000-0x00007FF4D3E3A000-memory.dmp

Filesize
1000KB

Download
memory/2160-153-0x00007FF4D3D40000-0x00007FF4D3E3A000-memory.dmp

Filesize
1000KB

Download
memory/2160-154-0x00007FF4D3D40000-0x00007FF4D3E3A000-memory.dmp

Filesize
1000KB

Download

Analysis

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