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
124s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-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

resource	yara_rule
behavioral2/memory/4928-136-0x0000000003800000-0x0000000003C00000-memory.dmp	family_rhadamanthys
behavioral2/memory/4928-137-0x0000000003800000-0x0000000003C00000-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 4928 created 3124	4928	cc.exe	43

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{2DCA4442-ADF3-4C3F-A124-12A284535163}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{FFBAAB73-2EAE-42EA-9BBE-18D795542EFB}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{D8131A03-2404-479C-B85C-222BAA5C2128}.catalogItem	svchost.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1208	4928	WerFault.exe	83

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
4928	cc.exe
4928	cc.exe
4928	cc.exe
4928	cc.exe
3344	certreq.exe
3344	certreq.exe
3344	certreq.exe
3344	certreq.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 3344	4928	cc.exe	88
PID 4928 wrote to memory of 3344	4928	cc.exe	88
PID 4928 wrote to memory of 3344	4928	cc.exe	88
PID 4928 wrote to memory of 3344	4928	cc.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3124
- 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:4928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 980
    3⤵
    - Program crash
    PID:1208
- 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:3344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4928 -ip 4928
1⤵
PID:984

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
PID:4028

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/3344-157-0x00007FF481A10000-0x00007FF481B3D000-memory.dmp

Filesize
1.2MB

Download
memory/3344-150-0x00000181C21D0000-0x00000181C21D7000-memory.dmp

Filesize
28KB

Download
memory/3344-162-0x00007FF481A10000-0x00007FF481B3D000-memory.dmp

Filesize
1.2MB

Download
memory/3344-161-0x00007FF481A10000-0x00007FF481B3D000-memory.dmp

Filesize
1.2MB

Download
memory/3344-160-0x00007FF481A10000-0x00007FF481B3D000-memory.dmp

Filesize
1.2MB

Download
memory/3344-138-0x00000181C1F70000-0x00000181C1F73000-memory.dmp

Filesize
12KB

Download
memory/3344-149-0x00000181C1F70000-0x00000181C1F73000-memory.dmp

Filesize
12KB

Download
memory/3344-159-0x00007FF481A10000-0x00007FF481B3D000-memory.dmp

Filesize
1.2MB

Download
memory/3344-158-0x00007FF481A10000-0x00007FF481B3D000-memory.dmp

Filesize
1.2MB

Download
memory/3344-155-0x00007FF481A10000-0x00007FF481B3D000-memory.dmp

Filesize
1.2MB

Download
memory/3344-153-0x00007FF481A10000-0x00007FF481B3D000-memory.dmp

Filesize
1.2MB

Download
memory/3344-152-0x00007FF481A10000-0x00007FF481B3D000-memory.dmp

Filesize
1.2MB

Download
memory/3344-154-0x00007FF481A10000-0x00007FF481B3D000-memory.dmp

Filesize
1.2MB

Download
memory/3344-151-0x00007FF481A10000-0x00007FF481B3D000-memory.dmp

Filesize
1.2MB

Download
memory/4928-139-0x0000000004540000-0x0000000004576000-memory.dmp

Filesize
216KB

Download
memory/4928-134-0x0000000003480000-0x00000000034F1000-memory.dmp

Filesize
452KB

Download
memory/4928-148-0x0000000000400000-0x000000000181E000-memory.dmp

Filesize
20.1MB

Download
memory/4928-147-0x0000000004540000-0x0000000004576000-memory.dmp

Filesize
216KB

Download
memory/4928-133-0x0000000003430000-0x0000000003479000-memory.dmp

Filesize
292KB

Download
memory/4928-146-0x0000000003480000-0x00000000034F1000-memory.dmp

Filesize
452KB

Download
memory/4928-145-0x0000000000400000-0x000000000181E000-memory.dmp

Filesize
20.1MB

Download
memory/4928-137-0x0000000003800000-0x0000000003C00000-memory.dmp

Filesize
4.0MB

Download
memory/4928-136-0x0000000003800000-0x0000000003C00000-memory.dmp

Filesize
4.0MB

Download
memory/4928-135-0x0000000003500000-0x0000000003507000-memory.dmp

Filesize
28KB

Download