rhadamanthys | 399bc631edb3875dab6c101d3ecc1cca2d92a188dd365714e726f6c5ce9c5582

General

Target

399bc631edb3875dab6c101d3ecc1cca2d92a188dd365714e726f6c5ce9c5582.exe
Size

264KB
MD5

37b59801169bc5a899535e4a48181d6a
SHA1

f33fc44cb17bdb6c11bc369485a6e6fecd15b740
SHA256

399bc631edb3875dab6c101d3ecc1cca2d92a188dd365714e726f6c5ce9c5582
SHA512

0d351ee527bc330f78766a2f92bd9f277ad9d39909483c4a0dea0c41deb55365154ebd7ef1759dde1b750f24b7e2b23cc7b717f129f29e8bb62491f6998ad3c3
SSDEEP

3072:3mr51jZiarYl4JDRbsH0+kNdwBGIKHlFkloNLKlEuaGNHlX621v/:2F1tiOYlg6U/NCBDmklkLKlEfGNHl

Score

10^/10

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 4 IoCs

resource	yara_rule
behavioral1/memory/2140-126-0x0000000002210000-0x000000000222C000-memory.dmp	family_rhadamanthys
behavioral1/memory/2140-128-0x0000000002210000-0x000000000222C000-memory.dmp	family_rhadamanthys
behavioral1/memory/2140-131-0x0000000002210000-0x000000000222C000-memory.dmp	family_rhadamanthys
behavioral1/memory/2140-139-0x0000000002210000-0x000000000222C000-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\15.0\Outlook\Profiles\Outlook	dllhost.exe
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

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
2140	399bc631edb3875dab6c101d3ecc1cca2d92a188dd365714e726f6c5ce9c5582.exe
2140	399bc631edb3875dab6c101d3ecc1cca2d92a188dd365714e726f6c5ce9c5582.exe
2140	399bc631edb3875dab6c101d3ecc1cca2d92a188dd365714e726f6c5ce9c5582.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
2140	399bc631edb3875dab6c101d3ecc1cca2d92a188dd365714e726f6c5ce9c5582.exe
2140	399bc631edb3875dab6c101d3ecc1cca2d92a188dd365714e726f6c5ce9c5582.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2660	2140	399bc631edb3875dab6c101d3ecc1cca2d92a188dd365714e726f6c5ce9c5582.exe	66
PID 2140 wrote to memory of 2660	2140	399bc631edb3875dab6c101d3ecc1cca2d92a188dd365714e726f6c5ce9c5582.exe	66
PID 2140 wrote to memory of 2660	2140	399bc631edb3875dab6c101d3ecc1cca2d92a188dd365714e726f6c5ce9c5582.exe	66
PID 2140 wrote to memory of 2660	2140	399bc631edb3875dab6c101d3ecc1cca2d92a188dd365714e726f6c5ce9c5582.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\399bc631edb3875dab6c101d3ecc1cca2d92a188dd365714e726f6c5ce9c5582.exe
"C:\Users\Admin\AppData\Local\Temp\399bc631edb3875dab6c101d3ecc1cca2d92a188dd365714e726f6c5ce9c5582.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2140
- 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:2660

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/2140-139-0x0000000002210000-0x000000000222C000-memory.dmp

Filesize
112KB

Download
memory/2140-138-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2140-126-0x0000000002210000-0x000000000222C000-memory.dmp

Filesize
112KB

Download
memory/2140-129-0x0000000002240000-0x0000000002242000-memory.dmp

Filesize
8KB

Download
memory/2140-128-0x0000000002210000-0x000000000222C000-memory.dmp

Filesize
112KB

Download
memory/2140-130-0x0000000002240000-0x0000000002243000-memory.dmp

Filesize
12KB

Download
memory/2140-131-0x0000000002210000-0x000000000222C000-memory.dmp

Filesize
112KB

Download
memory/2140-122-0x0000000000660000-0x000000000068E000-memory.dmp

Filesize
184KB

Download
memory/2140-123-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2660-136-0x00007FF684260000-0x00007FF68435A000-memory.dmp

Filesize
1000KB

Download
memory/2660-133-0x000001EAC4970000-0x000001EAC4977000-memory.dmp

Filesize
28KB

Download
memory/2660-137-0x00007FF684260000-0x00007FF68435A000-memory.dmp

Filesize
1000KB

Download
memory/2660-132-0x000001EAC49C0000-0x000001EAC49C1000-memory.dmp

Filesize
4KB

Download
memory/2660-140-0x00007FF684260000-0x00007FF68435A000-memory.dmp

Filesize
1000KB

Download
memory/2660-141-0x00007FF684260000-0x00007FF68435A000-memory.dmp

Filesize
1000KB

Download
memory/2660-142-0x00007FF684260000-0x00007FF68435A000-memory.dmp

Filesize
1000KB

Download
memory/2660-143-0x00007FF684260000-0x00007FF68435A000-memory.dmp

Filesize
1000KB

Download

Analysis

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