rhadamanthys | cb077e5958593c5cafb1b97f86290e20d5eced55dc578384672e495415bd0eee

General

Target

cb077e5958593c5cafb1b97f86290e20d5eced55dc578384672e495415bd0eee.exe
Size

456KB
MD5

c4354ae6f7b89c0735806b6798bfa2ce
SHA1

5d6d69e31a6f7b9850e817215ba55e24f77c7afd
SHA256

cb077e5958593c5cafb1b97f86290e20d5eced55dc578384672e495415bd0eee
SHA512

6d88891da85464e9f19889c7766064422b285d6eefa46ff5c1d3962833074f96203b6b2bf83db9ae3fef1a50c1297d0bfc14a74cca72c7f00f1b54b6e4419daf
SSDEEP

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

Score

10^/10

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 5 IoCs

resource	yara_rule
behavioral2/memory/716-1-0x0000000002360000-0x0000000002760000-memory.dmp	family_rhadamanthys
behavioral2/memory/716-2-0x0000000002360000-0x0000000002760000-memory.dmp	family_rhadamanthys
behavioral2/memory/716-3-0x0000000002360000-0x0000000002760000-memory.dmp	family_rhadamanthys
behavioral2/memory/716-4-0x0000000002360000-0x0000000002760000-memory.dmp	family_rhadamanthys
behavioral2/memory/716-13-0x0000000002360000-0x0000000002760000-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 716 created 3096	716	cb077e5958593c5cafb1b97f86290e20d5eced55dc578384672e495415bd0eee.exe	69

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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
716	cb077e5958593c5cafb1b97f86290e20d5eced55dc578384672e495415bd0eee.exe
716	cb077e5958593c5cafb1b97f86290e20d5eced55dc578384672e495415bd0eee.exe
716	cb077e5958593c5cafb1b97f86290e20d5eced55dc578384672e495415bd0eee.exe
716	cb077e5958593c5cafb1b97f86290e20d5eced55dc578384672e495415bd0eee.exe
4184	certreq.exe
4184	certreq.exe
4184	certreq.exe
4184	certreq.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 716 wrote to memory of 4184	716	cb077e5958593c5cafb1b97f86290e20d5eced55dc578384672e495415bd0eee.exe	87
PID 716 wrote to memory of 4184	716	cb077e5958593c5cafb1b97f86290e20d5eced55dc578384672e495415bd0eee.exe	87
PID 716 wrote to memory of 4184	716	cb077e5958593c5cafb1b97f86290e20d5eced55dc578384672e495415bd0eee.exe	87
PID 716 wrote to memory of 4184	716	cb077e5958593c5cafb1b97f86290e20d5eced55dc578384672e495415bd0eee.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3096
- C:\Users\Admin\AppData\Local\Temp\cb077e5958593c5cafb1b97f86290e20d5eced55dc578384672e495415bd0eee.exe
  "C:\Users\Admin\AppData\Local\Temp\cb077e5958593c5cafb1b97f86290e20d5eced55dc578384672e495415bd0eee.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:716
- 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:4184

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/716-13-0x0000000002360000-0x0000000002760000-memory.dmp

Filesize
4.0MB

Download
memory/716-1-0x0000000002360000-0x0000000002760000-memory.dmp

Filesize
4.0MB

Download
memory/716-2-0x0000000002360000-0x0000000002760000-memory.dmp

Filesize
4.0MB

Download
memory/716-3-0x0000000002360000-0x0000000002760000-memory.dmp

Filesize
4.0MB

Download
memory/716-4-0x0000000002360000-0x0000000002760000-memory.dmp

Filesize
4.0MB

Download
memory/716-0-0x00000000021E0000-0x00000000021E7000-memory.dmp

Filesize
28KB

Download
memory/716-6-0x0000000003210000-0x0000000003246000-memory.dmp

Filesize
216KB

Download
memory/716-12-0x0000000003210000-0x0000000003246000-memory.dmp

Filesize
216KB

Download
memory/4184-19-0x00007FF468F20000-0x00007FF46904F000-memory.dmp

Filesize
1.2MB

Download
memory/4184-24-0x00007FF468F20000-0x00007FF46904F000-memory.dmp

Filesize
1.2MB

Download
memory/4184-15-0x000002A8CAAB0000-0x000002A8CAAB7000-memory.dmp

Filesize
28KB

Download
memory/4184-16-0x00007FF468F20000-0x00007FF46904F000-memory.dmp

Filesize
1.2MB

Download
memory/4184-17-0x00007FF468F20000-0x00007FF46904F000-memory.dmp

Filesize
1.2MB

Download
memory/4184-18-0x00007FF468F20000-0x00007FF46904F000-memory.dmp

Filesize
1.2MB

Download
memory/4184-5-0x000002A8CA6F0000-0x000002A8CA6F3000-memory.dmp

Filesize
12KB

Download
memory/4184-20-0x00007FF468F20000-0x00007FF46904F000-memory.dmp

Filesize
1.2MB

Download
memory/4184-22-0x00007FF468F20000-0x00007FF46904F000-memory.dmp

Filesize
1.2MB

Download
memory/4184-14-0x000002A8CA6F0000-0x000002A8CA6F3000-memory.dmp

Filesize
12KB

Download
memory/4184-25-0x00007FF468F20000-0x00007FF46904F000-memory.dmp

Filesize
1.2MB

Download
memory/4184-26-0x00007FF468F20000-0x00007FF46904F000-memory.dmp

Filesize
1.2MB

Download
memory/4184-27-0x00007FF953BF0000-0x00007FF953DE5000-memory.dmp

Filesize
2.0MB

Download
memory/4184-28-0x00007FF468F20000-0x00007FF46904F000-memory.dmp

Filesize
1.2MB

Download
memory/4184-29-0x00007FF468F20000-0x00007FF46904F000-memory.dmp

Filesize
1.2MB

Download
memory/4184-30-0x00007FF468F20000-0x00007FF46904F000-memory.dmp

Filesize
1.2MB

Download
memory/4184-31-0x00007FF468F20000-0x00007FF46904F000-memory.dmp

Filesize
1.2MB

Download
memory/4184-32-0x00007FF468F20000-0x00007FF46904F000-memory.dmp

Filesize
1.2MB

Download
memory/4184-33-0x000002A8CAAB0000-0x000002A8CAAB5000-memory.dmp

Filesize
20KB

Download
memory/4184-34-0x00007FF953BF0000-0x00007FF953DE5000-memory.dmp

Filesize
2.0MB

Download

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