rhadamanthys | ea741d942926073191df32a404977cc4afa3b17bcd34871faafbf7f61be71c26

Resubmissions

20-08-2024 14:12

240820-rjb9nswdmd 10

17-08-2024 19:49

240817-yjs1ratbnf 10

15-08-2024 17:38

240815-v7zlnavale 10

30-06-2023 12:04

230630-n8y8yshh95 10

Analysis

max time kernel
43s
max time network
41s
platform
windows7_x64
resource
win7-20230621-en
resource tags

arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
submitted
30-06-2023 12:04

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General

Target

cc.exe
Size

501KB
MD5

f73e68f4995b58c9a1e47d67da9372ca
SHA1

0760b6b12d99915182bee3e3fa0e9aabd7a830c0
SHA256

ea741d942926073191df32a404977cc4afa3b17bcd34871faafbf7f61be71c26
SHA512

a419e78a385ad5e11224dad96b508e7bb01209a21fad338722e68d1d92cd78b92267af13f037126d04e49451fa62f089edb6ee77f7d2ce1cb9e26d56473b02af
SSDEEP

6144:HoR7YSOIypGIyGYdqfCwgKo74ERmvOJUlARI7hJEftv99J:yTPMlyldqfCwTE/QmJUlAO7hJElv9L

Score

10^/10

rhadamanthys collection stealer

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2028-57-0x0000000003450000-0x0000000003850000-memory.dmp	family_rhadamanthys
behavioral1/memory/2028-58-0x0000000003450000-0x0000000003850000-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

Processes:

cc.exe

description	pid	Process	procid_target
PID 2028 created 1264	2028	cc.exe	19

Deletes itself 1 IoCs

Processes:

certreq.exe

pid	Process
1888	certreq.exe

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

Processes:

certreq.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\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

Processes:

certreq.exe

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

Processes:

cc.execertreq.exe

pid	Process
2028	cc.exe
2028	cc.exe
2028	cc.exe
2028	cc.exe
1888	certreq.exe
1888	certreq.exe
1888	certreq.exe
1888	certreq.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cc.exe

description	pid	Process	procid_target
PID 2028 wrote to memory of 1888	2028	cc.exe	28
PID 2028 wrote to memory of 1888	2028	cc.exe	28
PID 2028 wrote to memory of 1888	2028	cc.exe	28
PID 2028 wrote to memory of 1888	2028	cc.exe	28
PID 2028 wrote to memory of 1888	2028	cc.exe	28
PID 2028 wrote to memory of 1888	2028	cc.exe	28

outlook_office_path 1 IoCs

Processes:

certreq.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe

outlook_win_path 1 IoCs

Processes:

certreq.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1264
- C:\Users\Admin\AppData\Local\Temp\cc.exe
  "C:\Users\Admin\AppData\Local\Temp\cc.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2028
- 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:1888

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

Replay Monitor

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Downloads

memory/1888-74-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1888-82-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1888-69-0x0000000000060000-0x0000000000063000-memory.dmp

Filesize
12KB

Download
memory/1888-70-0x0000000000120000-0x0000000000127000-memory.dmp

Filesize
28KB

Download
memory/1888-81-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1888-80-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1888-60-0x0000000000060000-0x0000000000063000-memory.dmp

Filesize
12KB

Download
memory/1888-79-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1888-78-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1888-71-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1888-77-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1888-75-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1888-73-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1888-72-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/2028-68-0x0000000000400000-0x000000000181E000-memory.dmp

Filesize
20.1MB

Download
memory/2028-54-0x0000000001820000-0x0000000001869000-memory.dmp

Filesize
292KB

Download
memory/2028-55-0x00000000018B0000-0x0000000001921000-memory.dmp

Filesize
452KB

Download
memory/2028-56-0x0000000000240000-0x0000000000247000-memory.dmp

Filesize
28KB

Download
memory/2028-67-0x0000000003360000-0x0000000003396000-memory.dmp

Filesize
216KB

Download
memory/2028-61-0x0000000003360000-0x0000000003396000-memory.dmp

Filesize
216KB

Download
memory/2028-59-0x0000000000400000-0x000000000181E000-memory.dmp

Filesize
20.1MB

Download
memory/2028-58-0x0000000003450000-0x0000000003850000-memory.dmp

Filesize
4.0MB

Download
memory/2028-57-0x0000000003450000-0x0000000003850000-memory.dmp

Filesize
4.0MB

Download