rhadamanthys | 4ed48b6b978ebf13a362f8ff7a2d2c1fdf17f4a4d1f513c4851201f804c04ef9

General

Target

file.exe
Size

456KB
MD5

1cf749dd7209e826e36d8ece08aa6a7a
SHA1

59443fd4dbbe44b43c532c30333ba643a7ee69c4
SHA256

4ed48b6b978ebf13a362f8ff7a2d2c1fdf17f4a4d1f513c4851201f804c04ef9
SHA512

6a27d2a08e4a96828068f2330c3112974b2d8532902203557d2f9a0ced79a92fd6a0e0a1d233778d674889a4cfe27fb332f2b6a011c34fec5d3bd002f7d413d4
SSDEEP

6144:2uWP/BtSnurUylcrGYlnIttxv8HbcLgsd1Gus5psdrvV44dixP+MHDkBYdxtG9+1:2uWP/BZUyoLu8Agsmxwrvejkd2

Score

10^/10

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 5 IoCs

resource	yara_rule
behavioral1/memory/2112-2-0x0000000001DD0000-0x00000000021D0000-memory.dmp	family_rhadamanthys
behavioral1/memory/2112-1-0x0000000001DD0000-0x00000000021D0000-memory.dmp	family_rhadamanthys
behavioral1/memory/2112-3-0x0000000001DD0000-0x00000000021D0000-memory.dmp	family_rhadamanthys
behavioral1/memory/2112-4-0x0000000001DD0000-0x00000000021D0000-memory.dmp	family_rhadamanthys
behavioral1/memory/2112-13-0x0000000001DD0000-0x00000000021D0000-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 2112 created 1260	2112	file.exe	21

Deletes itself 1 IoCs

pid	Process
2904	certreq.exe

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Office\11.0\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
2112	file.exe
2112	file.exe
2112	file.exe
2112	file.exe
2904	certreq.exe
2904	certreq.exe
2904	certreq.exe
2904	certreq.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2904	2112	file.exe	29
PID 2112 wrote to memory of 2904	2112	file.exe	29
PID 2112 wrote to memory of 2904	2112	file.exe	29
PID 2112 wrote to memory of 2904	2112	file.exe	29
PID 2112 wrote to memory of 2904	2112	file.exe	29
PID 2112 wrote to memory of 2904	2112	file.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1260
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2112
- C:\Windows\system32\certreq.exe
  "C:\Windows\system32\certreq.exe"
  2⤵
  - Deletes itself
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - outlook_office_path
  - outlook_win_path
  PID:2904

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/2112-12-0x0000000000520000-0x0000000000556000-memory.dmp

Filesize
216KB

Download
memory/2112-2-0x0000000001DD0000-0x00000000021D0000-memory.dmp

Filesize
4.0MB

Download
memory/2112-1-0x0000000001DD0000-0x00000000021D0000-memory.dmp

Filesize
4.0MB

Download
memory/2112-3-0x0000000001DD0000-0x00000000021D0000-memory.dmp

Filesize
4.0MB

Download
memory/2112-4-0x0000000001DD0000-0x00000000021D0000-memory.dmp

Filesize
4.0MB

Download
memory/2112-0-0x0000000000240000-0x0000000000247000-memory.dmp

Filesize
28KB

Download
memory/2112-6-0x0000000000520000-0x0000000000556000-memory.dmp

Filesize
216KB

Download
memory/2112-13-0x0000000001DD0000-0x00000000021D0000-memory.dmp

Filesize
4.0MB

Download
memory/2904-18-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/2904-23-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/2904-15-0x00000000002A0000-0x00000000002A7000-memory.dmp

Filesize
28KB

Download
memory/2904-17-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/2904-16-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/2904-19-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/2904-5-0x0000000000060000-0x0000000000063000-memory.dmp

Filesize
12KB

Download
memory/2904-20-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/2904-21-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/2904-14-0x0000000000060000-0x0000000000063000-memory.dmp

Filesize
12KB

Download
memory/2904-24-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/2904-25-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/2904-26-0x0000000077760000-0x0000000077909000-memory.dmp

Filesize
1.7MB

Download
memory/2904-27-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/2904-28-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/2904-29-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/2904-30-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/2904-31-0x000007FFFFE80000-0x000007FFFFFAF000-memory.dmp

Filesize
1.2MB

Download
memory/2904-32-0x00000000002A0000-0x00000000002A2000-memory.dmp

Filesize
8KB

Download
memory/2904-33-0x0000000077760000-0x0000000077909000-memory.dmp

Filesize
1.7MB

Download

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