rhadamanthys | 098c9f426ab6d50a39469ef17adcf10e50b5e91ff9a7594478354098909970df

General

Target

4d6ba89c5c56bf89e74598127.exe
Size

480KB
MD5

4d6ba89c5c56bf89e74598127892b2e2
SHA1

62a736c1569462c6fe77f917c46eac13ed5f63a3
SHA256

098c9f426ab6d50a39469ef17adcf10e50b5e91ff9a7594478354098909970df
SHA512

6785aca54b21bc7bc194d12ff59c66d378d3b67154bb33451b27d8d47d5cb15f30f161b60d555a2535386bfa1bb9b4b673add56d4a136b15e2f63c6d86bbd553
SSDEEP

12288:TjrraNPtbCAeibAeSu0GQnFpw1Obas+Ibu3kPbB:HrgPtmGbNR0GQnFpwYbas+EDB

Score

10^/10

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 2 IoCs

resource	yara_rule
behavioral1/memory/1204-57-0x0000000003650000-0x0000000003A50000-memory.dmp	family_rhadamanthys
behavioral1/memory/1204-58-0x0000000003650000-0x0000000003A50000-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 1204 created 1292	1204	4d6ba89c5c56bf89e74598127.exe	20

Deletes itself 1 IoCs

pid	Process
2964	certreq.exe

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000\Software\Microsoft\Office\12.0\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
1204	4d6ba89c5c56bf89e74598127.exe
1204	4d6ba89c5c56bf89e74598127.exe
1204	4d6ba89c5c56bf89e74598127.exe
1204	4d6ba89c5c56bf89e74598127.exe
2964	certreq.exe
2964	certreq.exe
2964	certreq.exe
2964	certreq.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 2964	1204	4d6ba89c5c56bf89e74598127.exe	30
PID 1204 wrote to memory of 2964	1204	4d6ba89c5c56bf89e74598127.exe	30
PID 1204 wrote to memory of 2964	1204	4d6ba89c5c56bf89e74598127.exe	30
PID 1204 wrote to memory of 2964	1204	4d6ba89c5c56bf89e74598127.exe	30
PID 1204 wrote to memory of 2964	1204	4d6ba89c5c56bf89e74598127.exe	30
PID 1204 wrote to memory of 2964	1204	4d6ba89c5c56bf89e74598127.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2813141852-3076131560-4232376420-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1292
- C:\Users\Admin\AppData\Local\Temp\4d6ba89c5c56bf89e74598127.exe
  "C:\Users\Admin\AppData\Local\Temp\4d6ba89c5c56bf89e74598127.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1204
- 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:2964

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/1204-69-0x0000000000400000-0x0000000001B7B000-memory.dmp

Filesize
23.5MB

Download
memory/1204-56-0x00000000002B0000-0x00000000002B7000-memory.dmp

Filesize
28KB

Download
memory/1204-57-0x0000000003650000-0x0000000003A50000-memory.dmp

Filesize
4.0MB

Download
memory/1204-58-0x0000000003650000-0x0000000003A50000-memory.dmp

Filesize
4.0MB

Download
memory/1204-59-0x0000000000400000-0x0000000001B7B000-memory.dmp

Filesize
23.5MB

Download
memory/1204-55-0x0000000000220000-0x0000000000291000-memory.dmp

Filesize
452KB

Download
memory/1204-61-0x0000000001F70000-0x0000000001FA6000-memory.dmp

Filesize
216KB

Download
memory/1204-67-0x0000000001F70000-0x0000000001FA6000-memory.dmp

Filesize
216KB

Download
memory/2964-71-0x00000000002A0000-0x00000000002A7000-memory.dmp

Filesize
28KB

Download
memory/2964-74-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2964-60-0x0000000000060000-0x0000000000063000-memory.dmp

Filesize
12KB

Download
memory/2964-73-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2964-72-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2964-75-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2964-76-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2964-70-0x0000000000060000-0x0000000000063000-memory.dmp

Filesize
12KB

Download
memory/2964-78-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2964-79-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2964-80-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2964-81-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2964-82-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2964-83-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download

Analysis

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