rhadamanthys | 4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f

General

Target

4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe
Size

336KB
MD5

bd6cd7531897cfaaabb683823f6e9b6b
SHA1

7f97fc52b845c118c9116f5e48d8bc82027dcd24
SHA256

4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f
SHA512

f0a11a5ea0305c7c2fbd0721ae00594be846d9244d138d0a68907975a737d0d7b21e3f4a4f4ec42ce0d9186aba8d301887a8d5a0e8e265551ff5d4a382735da0
SSDEEP

6144:6L9dnx5Tu1AWSGesHrRmJDn8bU8kN/Rw54xV:65dnbTu2RUmB8bU8klRw5

Score

10^/10

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 4 IoCs

resource	yara_rule
behavioral1/memory/1736-126-0x0000000002240000-0x000000000225C000-memory.dmp	family_rhadamanthys
behavioral1/memory/1736-128-0x0000000002240000-0x000000000225C000-memory.dmp	family_rhadamanthys
behavioral1/memory/1736-131-0x0000000002240000-0x000000000225C000-memory.dmp	family_rhadamanthys
behavioral1/memory/1736-139-0x0000000002240000-0x000000000225C000-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-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	dllhost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
1736	4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe
1736	4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe
1736	4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.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
1736	4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe
1736	4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe
2512	dllhost.exe
2512	dllhost.exe
2512	dllhost.exe
2512	dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2512	1736	4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe	66
PID 1736 wrote to memory of 2512	1736	4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe	66
PID 1736 wrote to memory of 2512	1736	4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe	66
PID 1736 wrote to memory of 2512	1736	4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe	66

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	dllhost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	dllhost.exe

C:\Users\Admin\AppData\Local\Temp\4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe
"C:\Users\Admin\AppData\Local\Temp\4e1396b3d01363f49ffbfa3e3660b4102b6d20b24a9a0586689c359b5db50c2f.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1736
- 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:2512

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/1736-139-0x0000000002240000-0x000000000225C000-memory.dmp

Filesize
112KB

Download
memory/1736-138-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/1736-126-0x0000000002240000-0x000000000225C000-memory.dmp

Filesize
112KB

Download
memory/1736-128-0x0000000002240000-0x000000000225C000-memory.dmp

Filesize
112KB

Download
memory/1736-129-0x00000000001D0000-0x00000000001D2000-memory.dmp

Filesize
8KB

Download
memory/1736-130-0x00000000001D0000-0x00000000001D3000-memory.dmp

Filesize
12KB

Download
memory/1736-131-0x0000000002240000-0x000000000225C000-memory.dmp

Filesize
112KB

Download
memory/1736-122-0x0000000002210000-0x000000000223E000-memory.dmp

Filesize
184KB

Download
memory/1736-123-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/2512-136-0x00007FF78D2C0000-0x00007FF78D3BA000-memory.dmp

Filesize
1000KB

Download
memory/2512-135-0x0000013BA67A0000-0x0000013BA67A7000-memory.dmp

Filesize
28KB

Download
memory/2512-137-0x00007FF78D2C0000-0x00007FF78D3BA000-memory.dmp

Filesize
1000KB

Download
memory/2512-132-0x0000013BA67F0000-0x0000013BA67F1000-memory.dmp

Filesize
4KB

Download
memory/2512-140-0x00007FF78D2C0000-0x00007FF78D3BA000-memory.dmp

Filesize
1000KB

Download
memory/2512-141-0x00007FF78D2C0000-0x00007FF78D3BA000-memory.dmp

Filesize
1000KB

Download
memory/2512-142-0x00007FF78D2C0000-0x00007FF78D3BA000-memory.dmp

Filesize
1000KB

Download
memory/2512-143-0x00007FF78D2C0000-0x00007FF78D3BA000-memory.dmp

Filesize
1000KB

Download

Analysis

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