rhadamanthys | e915dccc9e65da534932476e8cec4b7e5446dbd022f242e9302ac18d2a041df5

General

Target

builder.exe
Size

702KB
MD5

5e8eefdad5b8ab9b1b47f269ca27d8f7
SHA1

ba66cf53cfe996d904e57b9409b349da62bb5d27
SHA256

e915dccc9e65da534932476e8cec4b7e5446dbd022f242e9302ac18d2a041df5
SHA512

3f353dd053e4cd18cb7c56237230d026404a8c217084e740b152ff3e9e3c8ecf0649dbdc5e98617d82086f2b340588741c7afdf4326e1f6bf56242bf7a8c58a8
SSDEEP

12288:uQjtwieaRtNsy+vMyX/A8MAnz8gCWxjijlLRjPrDuTsu3WfRme3I:uQjtQatuVY8MAnzCM2RjziTsuERmoI

Score

10^/10

rhadamanthys discovery stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://195.3.223.126:4287/9d0dc091285eb9fbf2e/o8f3c8oj.8rdif

Signatures

Detect rhadamanthys stealer shellcode 5 IoCs

resource	yara_rule
behavioral2/memory/1368-5-0x00000000028D0000-0x0000000002CD0000-memory.dmp	family_rhadamanthys
behavioral2/memory/1368-6-0x00000000028D0000-0x0000000002CD0000-memory.dmp	family_rhadamanthys
behavioral2/memory/1368-7-0x00000000028D0000-0x0000000002CD0000-memory.dmp	family_rhadamanthys
behavioral2/memory/1368-8-0x00000000028D0000-0x0000000002CD0000-memory.dmp	family_rhadamanthys
behavioral2/memory/1368-10-0x00000000028D0000-0x0000000002CD0000-memory.dmp	family_rhadamanthys

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys
Rhadamanthys family
rhadamanthys

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 680 set thread context of 1368	680	builder.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5008	680	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	builder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000	AppLaunch.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4192	vlc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1368	AppLaunch.exe
1368	AppLaunch.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4192	vlc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1368	AppLaunch.exe
Token: SeCreatePagefilePrivilege	1368	AppLaunch.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4192	vlc.exe
4192	vlc.exe
4192	vlc.exe
4192	vlc.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4192	vlc.exe
4192	vlc.exe
4192	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4192	vlc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 680 wrote to memory of 1368	680	builder.exe	83
PID 680 wrote to memory of 1368	680	builder.exe	83
PID 680 wrote to memory of 1368	680	builder.exe	83
PID 680 wrote to memory of 1368	680	builder.exe	83
PID 680 wrote to memory of 1368	680	builder.exe	83
PID 680 wrote to memory of 1368	680	builder.exe	83
PID 680 wrote to memory of 1368	680	builder.exe	83
PID 680 wrote to memory of 1368	680	builder.exe	83

C:\Users\Admin\AppData\Local\Temp\builder.exe
"C:\Users\Admin\AppData\Local\Temp\builder.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:680
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1368
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 284
  2⤵
  - Program crash
  PID:5008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 680 -ip 680
1⤵
PID:4708

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:4192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1368-0-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/1368-2-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/1368-3-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/1368-4-0x0000000000A10000-0x0000000000A17000-memory.dmp

Filesize
28KB

Download
memory/1368-5-0x00000000028D0000-0x0000000002CD0000-memory.dmp

Filesize
4.0MB

Download
memory/1368-6-0x00000000028D0000-0x0000000002CD0000-memory.dmp

Filesize
4.0MB

Download
memory/1368-7-0x00000000028D0000-0x0000000002CD0000-memory.dmp

Filesize
4.0MB

Download
memory/1368-8-0x00000000028D0000-0x0000000002CD0000-memory.dmp

Filesize
4.0MB

Download
memory/1368-9-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/1368-10-0x00000000028D0000-0x0000000002CD0000-memory.dmp

Filesize
4.0MB

Download
memory/4192-19-0x00007FF99EB90000-0x00007FF99EBC4000-memory.dmp

Filesize
208KB

Download
memory/4192-18-0x00007FF71B040000-0x00007FF71B138000-memory.dmp

Filesize
992KB

Download
memory/4192-20-0x00007FF99C850000-0x00007FF99CB06000-memory.dmp

Filesize
2.7MB

Download
memory/4192-21-0x00007FF99B7A0000-0x00007FF99C850000-memory.dmp

Filesize
16.7MB

Download

Analysis

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