rhadamanthys | c8b6d97c8058d1d7c1bbc543733d6d953d9f3a70fbf62801c7ffb76e981d72f1

Analysis

max time kernel
48s
max time network
45s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
14/04/2023, 01:00

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General

Target
setup.exe
Size 338KB
Sample230414-bcnfcsfc54
SHA256 c8b6d97c8058d1d7c1bbc543733d6d953d9f3a70fbf62801c7ffb76e981d72f1
MD5 00355abe549f9e78059a3fa00114d276
SHA1 618927127ba7a749e032dc7eb4b8ae966c661721
SHA512 41b51d01e0326c7debe8220590bb0cf3db41ee3b28a9f7c9351049c02a8217166c158c9ddf680dfa08ce89e7efe51a0d1e05973d8d43044fcb583f795283a4fa
SSDEEP 6144:AUmSVJ2TWrmowfMSpf06PCJUcZsbQ9kDqQ:PxJ26yRXJ0BbQ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

rhadamanthys collection stealer

Malware Config

Extracted

Family

rhadamanthys

http://179.43.142.201/img/favicon.png

Signatures

Detect rhadamanthys stealer shellcode 4 IoCs

resource	yara_rule
behavioral1/memory/1236-59-0x0000000000270000-0x000000000028C000-memory.dmp	family_rhadamanthys
behavioral1/memory/1236-60-0x0000000000270000-0x000000000028C000-memory.dmp	family_rhadamanthys
behavioral1/memory/1236-62-0x0000000000270000-0x000000000028C000-memory.dmp	family_rhadamanthys
behavioral1/memory/1236-69-0x0000000000270000-0x000000000028C000-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-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	dllhost.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dllhost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	dllhost.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1236	setup.exe
1236	setup.exe
1200	dllhost.exe
1200	dllhost.exe
1200	dllhost.exe
1200	dllhost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 1200	1236	setup.exe	28
PID 1236 wrote to memory of 1200	1236	setup.exe	28
PID 1236 wrote to memory of 1200	1236	setup.exe	28
PID 1236 wrote to memory of 1200	1236	setup.exe	28
PID 1236 wrote to memory of 1200	1236	setup.exe	28
PID 1236 wrote to memory of 1200	1236	setup.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	dllhost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	dllhost.exe

C:\Users\Admin\AppData\Local\Temp\setup.exe
"C:\Users\Admin\AppData\Local\Temp\setup.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1236
- 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:1200

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1200-66-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

Download

memory/1200-73-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

Download

memory/1200-72-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

Download

memory/1200-71-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

Download

memory/1200-70-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

Download

memory/1200-67-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

Download

memory/1200-63-0x0000000000050000-0x0000000000051000-memory.dmp

Download

memory/1200-64-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

Download

memory/1200-65-0x00000000000E0000-0x00000000000E7000-memory.dmp

Download

memory/1236-60-0x0000000000270000-0x000000000028C000-memory.dmp

Download

memory/1236-62-0x0000000000270000-0x000000000028C000-memory.dmp

Download

memory/1236-68-0x0000000000400000-0x00000000004C3000-memory.dmp

Download

memory/1236-69-0x0000000000270000-0x000000000028C000-memory.dmp

Download

memory/1236-55-0x0000000000240000-0x000000000026E000-memory.dmp

Download

memory/1236-61-0x0000000000290000-0x0000000000291000-memory.dmp

Download

memory/1236-59-0x0000000000270000-0x000000000028C000-memory.dmp

Download

memory/1236-56-0x0000000000400000-0x00000000004C3000-memory.dmp

Download