rhadamanthys | eace7dbe1de734d094f6a39b4eee2b3259db02a38f14cdccf3006af7c6b8b3b5

Analysis

max time kernel
82s
max time network
64s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
14/04/2025, 18:13

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General

Target

Solara/Solara.exe
Size

432KB
MD5

3ad28512794a4e91397f2903543e7220
SHA1

514e414f6bbcf4fc4991d4df3b48d66c6c8efa8a
SHA256

115c0569f04cd121172cb2b7689a67715db4f7e33cb2c0a04eaa4de59078293b
SHA512

f1dc4a8f6d69cc9589e2dea82aca91c3f46da1d322e0138862d9be3ccd6754c8624cb77b37d8884f7402cc1c747845f10993aa80ac9b50e2f19feaac9589e3a6
SSDEEP

6144:yzEo3MgLXCbN91YdOnCjhIoCQ8uUiEXJTUfs5wOSzmaq55SeFrLVNaG:TQMgAjCaoguvE59uzmaqnx/

Score

10^/10

rhadamanthys discovery stealer

Malware Config

Extracted

Family

rhadamanthys

https://135.181.4.162:2423/97e9fc994198e76/5vasbsn8.w2nxs

Signatures

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 2920 set thread context of 5828	2920	Solara.exe	89

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1148	5828	WerFault.exe	89
3036	2920	WerFault.exe	85

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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Solara.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 2 IoCs

ransomware

pid	Process
2348	NOTEPAD.EXE
3860	NOTEPAD.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2116	OpenWith.exe

Suspicious use of SetWindowsHookEx 15 IoCs

pid	Process
2116	OpenWith.exe
2116	OpenWith.exe
2116	OpenWith.exe
2116	OpenWith.exe
2116	OpenWith.exe
2116	OpenWith.exe
2116	OpenWith.exe
2116	OpenWith.exe
2116	OpenWith.exe
2116	OpenWith.exe
2116	OpenWith.exe
2116	OpenWith.exe
2116	OpenWith.exe
2116	OpenWith.exe
2116	OpenWith.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 5828	2920	Solara.exe	89
PID 2920 wrote to memory of 5828	2920	Solara.exe	89
PID 2920 wrote to memory of 5828	2920	Solara.exe	89
PID 2920 wrote to memory of 5828	2920	Solara.exe	89
PID 2920 wrote to memory of 5828	2920	Solara.exe	89
PID 2920 wrote to memory of 5828	2920	Solara.exe	89
PID 2920 wrote to memory of 5828	2920	Solara.exe	89
PID 2920 wrote to memory of 5828	2920	Solara.exe	89
PID 2920 wrote to memory of 5828	2920	Solara.exe	89
PID 2920 wrote to memory of 5828	2920	Solara.exe	89
PID 2920 wrote to memory of 5828	2920	Solara.exe	89

C:\Users\Admin\AppData\Local\Temp\Solara\Solara.exe
"C:\Users\Admin\AppData\Local\Temp\Solara\Solara.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5828
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5828 -s 552
    3⤵
    - Program crash
    PID:1148
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 888
  2⤵
  - Program crash
  PID:3036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5828 -ip 5828
1⤵
PID:6032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2920 -ip 2920
1⤵
PID:6036

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4264

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s fdPHost
1⤵
PID:4052

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2116

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Temp1_payload.zip\Solara\Debug\Autoupdater.ini
1⤵
- Opens file in notepad (likely ransom note)
PID:2348

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Temp1_payload.zip\Solara\Packaged\Main.ini
1⤵
- Opens file in notepad (likely ransom note)
PID:3860

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2920-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2920-1-0x0000000000FD0000-0x0000000001042000-memory.dmp

Filesize
456KB

Download
memory/2920-8-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/2920-9-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/5828-3-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/5828-7-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/5828-5-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/5828-4-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download