rhadamanthys | f1b26f0cc0816504f12258a3ee424de6fbe44726489a30318f210a97a2160fb9

General

Target

0b022ec9f04e701c407ef27fc2684f96.exe
Size

315KB
MD5

0b022ec9f04e701c407ef27fc2684f96
SHA1

39f593e6e3c278bec44ccb44713f370e791890fb
SHA256

f1b26f0cc0816504f12258a3ee424de6fbe44726489a30318f210a97a2160fb9
SHA512

0bd0d209e2ae6f7c06aa7c5161a591217f34dc402b04ab317b24f2a919647e35b56fb4b77b9aa3df8b32dc3ad1b9d1ae27bb5772d8fb74f56aaaa38c2cad9e50
SSDEEP

6144:XMQ7AYGvhE/2hmRk5DmcUH5fc47Ztkjt:8sATJe2ccUH5fc47Gt

Score

10^/10

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 5 IoCs

resource	yara_rule
behavioral2/memory/4588-138-0x0000000000A90000-0x0000000000AAC000-memory.dmp	family_rhadamanthys
behavioral2/memory/4588-140-0x0000000000A90000-0x0000000000AAC000-memory.dmp	family_rhadamanthys
behavioral2/memory/4588-142-0x0000000000A90000-0x0000000000AAC000-memory.dmp	family_rhadamanthys
behavioral2/memory/4588-143-0x0000000002720000-0x0000000003720000-memory.dmp	family_rhadamanthys
behavioral2/memory/4588-150-0x0000000000A90000-0x0000000000AAC000-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\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
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

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
4588	0b022ec9f04e701c407ef27fc2684f96.exe
4588	0b022ec9f04e701c407ef27fc2684f96.exe
4588	0b022ec9f04e701c407ef27fc2684f96.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1948	4588	WerFault.exe	88

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
4588	0b022ec9f04e701c407ef27fc2684f96.exe
4588	0b022ec9f04e701c407ef27fc2684f96.exe
4460	dllhost.exe
4460	dllhost.exe
4460	dllhost.exe
4460	dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 4460	4588	0b022ec9f04e701c407ef27fc2684f96.exe	95
PID 4588 wrote to memory of 4460	4588	0b022ec9f04e701c407ef27fc2684f96.exe	95
PID 4588 wrote to memory of 4460	4588	0b022ec9f04e701c407ef27fc2684f96.exe	95
PID 4588 wrote to memory of 4460	4588	0b022ec9f04e701c407ef27fc2684f96.exe	95

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\0b022ec9f04e701c407ef27fc2684f96.exe
"C:\Users\Admin\AppData\Local\Temp\0b022ec9f04e701c407ef27fc2684f96.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4588
- 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:4460
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4588 -s 724
  2⤵
  - Program crash
  PID:1948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4588 -ip 4588
1⤵
PID:4556

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/4460-147-0x00007FF451E70000-0x00007FF451F6A000-memory.dmp

Filesize
1000KB

Download
memory/4460-154-0x00007FF451E70000-0x00007FF451F6A000-memory.dmp

Filesize
1000KB

Download
memory/4460-153-0x00007FF451E70000-0x00007FF451F6A000-memory.dmp

Filesize
1000KB

Download
memory/4460-152-0x00007FF451E70000-0x00007FF451F6A000-memory.dmp

Filesize
1000KB

Download
memory/4460-151-0x00007FF451E70000-0x00007FF451F6A000-memory.dmp

Filesize
1000KB

Download
memory/4460-148-0x00007FF451E70000-0x00007FF451F6A000-memory.dmp

Filesize
1000KB

Download
memory/4460-146-0x000001BB87370000-0x000001BB87377000-memory.dmp

Filesize
28KB

Download
memory/4460-144-0x000001BB87060000-0x000001BB87061000-memory.dmp

Filesize
4KB

Download
memory/4588-145-0x0000000002590000-0x0000000002592000-memory.dmp

Filesize
8KB

Download
memory/4588-134-0x0000000000A60000-0x0000000000A8E000-memory.dmp

Filesize
184KB

Download
memory/4588-143-0x0000000002720000-0x0000000003720000-memory.dmp

Filesize
16.0MB

Download
memory/4588-142-0x0000000000A90000-0x0000000000AAC000-memory.dmp

Filesize
112KB

Download
memory/4588-149-0x0000000000400000-0x0000000000803000-memory.dmp

Filesize
4.0MB

Download
memory/4588-150-0x0000000000A90000-0x0000000000AAC000-memory.dmp

Filesize
112KB

Download
memory/4588-140-0x0000000000A90000-0x0000000000AAC000-memory.dmp

Filesize
112KB

Download
memory/4588-139-0x0000000000AB0000-0x0000000000ACA000-memory.dmp

Filesize
104KB

Download
memory/4588-138-0x0000000000A90000-0x0000000000AAC000-memory.dmp

Filesize
112KB

Download
memory/4588-135-0x0000000000400000-0x0000000000803000-memory.dmp

Filesize
4.0MB

Download

Analysis

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