rhadamanthys | 01c7c28d8fcbded6bb906af11b34e65e19a71bc433fa3c8b5e615130f78028d5

General

Target

aef5c6fec5ea5f20f0e71f34d3777919.exe
Size

448KB
MD5

aef5c6fec5ea5f20f0e71f34d3777919
SHA1

013c70c60334495904fa1e83a129dd3c369e6acf
SHA256

01c7c28d8fcbded6bb906af11b34e65e19a71bc433fa3c8b5e615130f78028d5
SHA512

bd48e8ec604e074b759b1c08c9d1e6adb90da902b4f23b9f37210ec32183c22a53d0a571d3c46bf43c32f47debc47313c0c98136ac6bc55bf1004b41c19f2774
SSDEEP

6144:L/E8DIpjK28t4snQTlp3z/pSZ+pDKpf9EkQbKxVK+PXItNOapG8RuzRiRh3Zi:dEpj7snAv/cgu4VGn6OaM+ucj

Score

10^/10

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 5 IoCs

resource	yara_rule
behavioral1/memory/2616-55-0x0000000001DC0000-0x00000000021C0000-memory.dmp	family_rhadamanthys
behavioral1/memory/2616-56-0x0000000001DC0000-0x00000000021C0000-memory.dmp	family_rhadamanthys
behavioral1/memory/2616-57-0x0000000001DC0000-0x00000000021C0000-memory.dmp	family_rhadamanthys
behavioral1/memory/2616-58-0x0000000001DC0000-0x00000000021C0000-memory.dmp	family_rhadamanthys
behavioral1/memory/2616-67-0x0000000001DC0000-0x00000000021C0000-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 2616 created 1208	2616	aef5c6fec5ea5f20f0e71f34d3777919.exe	10

Deletes itself 1 IoCs

pid	Process
2792	certreq.exe

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Office\10.0\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
2616	aef5c6fec5ea5f20f0e71f34d3777919.exe
2616	aef5c6fec5ea5f20f0e71f34d3777919.exe
2616	aef5c6fec5ea5f20f0e71f34d3777919.exe
2616	aef5c6fec5ea5f20f0e71f34d3777919.exe
2792	certreq.exe
2792	certreq.exe
2792	certreq.exe
2792	certreq.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2792	2616	aef5c6fec5ea5f20f0e71f34d3777919.exe	29
PID 2616 wrote to memory of 2792	2616	aef5c6fec5ea5f20f0e71f34d3777919.exe	29
PID 2616 wrote to memory of 2792	2616	aef5c6fec5ea5f20f0e71f34d3777919.exe	29
PID 2616 wrote to memory of 2792	2616	aef5c6fec5ea5f20f0e71f34d3777919.exe	29
PID 2616 wrote to memory of 2792	2616	aef5c6fec5ea5f20f0e71f34d3777919.exe	29
PID 2616 wrote to memory of 2792	2616	aef5c6fec5ea5f20f0e71f34d3777919.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\aef5c6fec5ea5f20f0e71f34d3777919.exe
  "C:\Users\Admin\AppData\Local\Temp\aef5c6fec5ea5f20f0e71f34d3777919.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2616
- 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:2792

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/2616-66-0x0000000002890000-0x00000000028C6000-memory.dmp

Filesize
216KB

Download
memory/2616-55-0x0000000001DC0000-0x00000000021C0000-memory.dmp

Filesize
4.0MB

Download
memory/2616-56-0x0000000001DC0000-0x00000000021C0000-memory.dmp

Filesize
4.0MB

Download
memory/2616-57-0x0000000001DC0000-0x00000000021C0000-memory.dmp

Filesize
4.0MB

Download
memory/2616-58-0x0000000001DC0000-0x00000000021C0000-memory.dmp

Filesize
4.0MB

Download
memory/2616-54-0x00000000003D0000-0x00000000003D7000-memory.dmp

Filesize
28KB

Download
memory/2616-60-0x0000000002890000-0x00000000028C6000-memory.dmp

Filesize
216KB

Download
memory/2616-67-0x0000000001DC0000-0x00000000021C0000-memory.dmp

Filesize
4.0MB

Download
memory/2792-73-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2792-78-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2792-69-0x00000000000B0000-0x00000000000B7000-memory.dmp

Filesize
28KB

Download
memory/2792-70-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2792-71-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2792-72-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2792-59-0x0000000000060000-0x0000000000063000-memory.dmp

Filesize
12KB

Download
memory/2792-74-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2792-76-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2792-68-0x0000000000060000-0x0000000000063000-memory.dmp

Filesize
12KB

Download
memory/2792-79-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2792-80-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2792-81-0x0000000077420000-0x00000000775C9000-memory.dmp

Filesize
1.7MB

Download
memory/2792-82-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2792-83-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2792-84-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2792-85-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2792-86-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2792-87-0x00000000000B0000-0x00000000000B2000-memory.dmp

Filesize
8KB

Download
memory/2792-88-0x0000000077420000-0x00000000775C9000-memory.dmp

Filesize
1.7MB

Download

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