rhadamanthys | 14ba649ece39c9ccd1c0aea0e1be52543860cd4046bd200bb9fe6c97e51a1319

General

Target

vincent_rhad.exe
Size

456KB
MD5

014b6d7fd900989ef6cbac0aaddf7026
SHA1

f3bfdcd146a1c56da652dc1d3317c00b81b8e053
SHA256

14ba649ece39c9ccd1c0aea0e1be52543860cd4046bd200bb9fe6c97e51a1319
SHA512

11e98446af77f2fd6904d8c53adcd721777b824fdf6686c943acefea172e721b70f3c806d6ffa6f9f88d91cfbbfe76b06b3e98a17dd0ad30c17a0110c6c52024
SSDEEP

6144:2uWP/BtSnurUylcrGYlnIttxv8HbcLgsd1Gus5psdrvV44dixP+MHDkBYdxtG9+8:2uWP/BZUyoLu8Agsmxwrvejkd2

Score

10^/10

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 4 IoCs

resource	yara_rule
behavioral1/memory/1208-1-0x0000000001DD0000-0x00000000021D0000-memory.dmp	family_rhadamanthys
behavioral1/memory/1208-2-0x0000000001DD0000-0x00000000021D0000-memory.dmp	family_rhadamanthys
behavioral1/memory/1208-3-0x0000000001DD0000-0x00000000021D0000-memory.dmp	family_rhadamanthys
behavioral1/memory/1208-12-0x0000000001DD0000-0x00000000021D0000-memory.dmp	family_rhadamanthys

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1208 created 1328	1208	vincent_rhad.exe	21

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	certreq.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	certreq.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	certreq.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1208	vincent_rhad.exe
1208	vincent_rhad.exe
1208	vincent_rhad.exe
1208	vincent_rhad.exe
1996	certreq.exe
1996	certreq.exe
1996	certreq.exe
1996	certreq.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 1996	1208	vincent_rhad.exe	29
PID 1208 wrote to memory of 1996	1208	vincent_rhad.exe	29
PID 1208 wrote to memory of 1996	1208	vincent_rhad.exe	29
PID 1208 wrote to memory of 1996	1208	vincent_rhad.exe	29
PID 1208 wrote to memory of 1996	1208	vincent_rhad.exe	29
PID 1208 wrote to memory of 1996	1208	vincent_rhad.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1328
- C:\Users\Admin\AppData\Local\Temp\vincent_rhad.exe
  "C:\Users\Admin\AppData\Local\Temp\vincent_rhad.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1208
- C:\Windows\system32\certreq.exe
  "C:\Windows\system32\certreq.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - outlook_office_path
  - outlook_win_path
  PID:1996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/1208-11-0x0000000001D50000-0x0000000001D86000-memory.dmp

Filesize
216KB

Download
memory/1208-1-0x0000000001DD0000-0x00000000021D0000-memory.dmp

Filesize
4.0MB

Download
memory/1208-2-0x0000000001DD0000-0x00000000021D0000-memory.dmp

Filesize
4.0MB

Download
memory/1208-3-0x0000000001DD0000-0x00000000021D0000-memory.dmp

Filesize
4.0MB

Download
memory/1208-0-0x00000000001D0000-0x00000000001D7000-memory.dmp

Filesize
28KB

Download
memory/1208-5-0x0000000001D50000-0x0000000001D86000-memory.dmp

Filesize
216KB

Download
memory/1208-12-0x0000000001DD0000-0x00000000021D0000-memory.dmp

Filesize
4.0MB

Download
memory/1996-18-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/1996-23-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/1996-14-0x00000000001B0000-0x00000000001B7000-memory.dmp

Filesize
28KB

Download
memory/1996-16-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/1996-15-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/1996-4-0x0000000000060000-0x0000000000063000-memory.dmp

Filesize
12KB

Download
memory/1996-17-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/1996-20-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/1996-22-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/1996-13-0x0000000000060000-0x0000000000063000-memory.dmp

Filesize
12KB

Download
memory/1996-24-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/1996-25-0x00000000773F0000-0x0000000077599000-memory.dmp

Filesize
1.7MB

Download
memory/1996-26-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/1996-27-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/1996-28-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/1996-29-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/1996-30-0x00000000001B0000-0x00000000001B2000-memory.dmp

Filesize
8KB

Download
memory/1996-31-0x00000000773F0000-0x0000000077599000-memory.dmp

Filesize
1.7MB

Download

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Analysis

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