rhadamanthys | b9536929d0de9b4a18e7646f2ecf59aad20f93092e982be91d20143d599e6c22

General

Target

Solara.exe
Size

6.2MB
MD5

da26c67d857555aeef4f2580e53d7c6d
SHA1

fc39f8e1987aa7d8553b052b789a7e6b0d24a68a
SHA256

b9536929d0de9b4a18e7646f2ecf59aad20f93092e982be91d20143d599e6c22
SHA512

115ff4890967b3a00bf2e192d9e2d8717bc7525bab995ca5db7c5c7d2be6a81888ae9687f51d04d053371088e553381a7844a82433240022bccbc44b319df75d
SSDEEP

98304:yyjZJD+ddKUmXQ+ZQaJOV20y89y8dfWwl+ZILeXLel:yEZJD+Xe7ZQaIE0jzWwlXebel

Score

10^/10

rhadamanthys discovery stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://144.76.133.166:8034/5502b8a765a7d7349/k5851jfq.guti6

Signatures

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

Solara.exe

description pid process target process

PID 1208 created 2588 1208 Solara.exe sihost.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Solara.exe

description pid process target process

PID 3216 set thread context of 1208 3216 Solara.exe Solara.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3240 1208 WerFault.exe Solara.exe
1332 1208 WerFault.exe Solara.exe

description	pid	process	target process
PID 1208 created 2588	1208	Solara.exe	sihost.exe

description	pid	process	target process
PID 3216 set thread context of 1208	3216	Solara.exe	Solara.exe

pid	pid_target	process	target process
3240	1208	WerFault.exe	Solara.exe
1332	1208	WerFault.exe	Solara.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

Solara.exeSolara.exeopenwith.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Solara.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Solara.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Solara.exeopenwith.exe

pid process

1208 Solara.exe
1208 Solara.exe
2124 openwith.exe
2124 openwith.exe
2124 openwith.exe
2124 openwith.exe

pid	process
1208	Solara.exe
1208	Solara.exe
2124	openwith.exe
2124	openwith.exe
2124	openwith.exe
2124	openwith.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Solara.exeSolara.exe

description	pid	process	target process
PID 3216 wrote to memory of 1208	3216	Solara.exe	Solara.exe
PID 3216 wrote to memory of 1208	3216	Solara.exe	Solara.exe
PID 3216 wrote to memory of 1208	3216	Solara.exe	Solara.exe
PID 3216 wrote to memory of 1208	3216	Solara.exe	Solara.exe
PID 3216 wrote to memory of 1208	3216	Solara.exe	Solara.exe
PID 3216 wrote to memory of 1208	3216	Solara.exe	Solara.exe
PID 3216 wrote to memory of 1208	3216	Solara.exe	Solara.exe
PID 3216 wrote to memory of 1208	3216	Solara.exe	Solara.exe
PID 3216 wrote to memory of 1208	3216	Solara.exe	Solara.exe
PID 3216 wrote to memory of 1208	3216	Solara.exe	Solara.exe
PID 1208 wrote to memory of 2124	1208	Solara.exe	openwith.exe
PID 1208 wrote to memory of 2124	1208	Solara.exe	openwith.exe
PID 1208 wrote to memory of 2124	1208	Solara.exe	openwith.exe
PID 1208 wrote to memory of 2124	1208	Solara.exe	openwith.exe
PID 1208 wrote to memory of 2124	1208	Solara.exe	openwith.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2588
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2124

C:\Users\Admin\AppData\Local\Temp\Solara.exe
"C:\Users\Admin\AppData\Local\Temp\Solara.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3216
- C:\Users\Admin\AppData\Local\Temp\Solara.exe
  "C:\Users\Admin\AppData\Local\Temp\Solara.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 340
    3⤵
    - Program crash
    PID:3240
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 448
    3⤵
    - Program crash
    PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1208 -ip 1208
1⤵
PID:4920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1208 -ip 1208
1⤵
PID:4320

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1208-13-0x00000000040E0000-0x00000000044E0000-memory.dmp

Filesize
4.0MB

Download
memory/1208-14-0x00007FFC2E430000-0x00007FFC2E625000-memory.dmp

Filesize
2.0MB

Download
memory/1208-11-0x00000000040E0000-0x00000000044E0000-memory.dmp

Filesize
4.0MB

Download
memory/1208-12-0x00000000040E0000-0x00000000044E0000-memory.dmp

Filesize
4.0MB

Download
memory/1208-17-0x00000000761C0000-0x00000000763D5000-memory.dmp

Filesize
2.1MB

Download
memory/1208-15-0x00000000040E0000-0x00000000044E0000-memory.dmp

Filesize
4.0MB

Download
memory/1208-6-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1208-7-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1208-8-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1208-10-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1208-27-0x00000000040E0000-0x00000000044E0000-memory.dmp

Filesize
4.0MB

Download
memory/2124-25-0x00000000761C0000-0x00000000763D5000-memory.dmp

Filesize
2.1MB

Download
memory/2124-18-0x0000000000D20000-0x0000000000D29000-memory.dmp

Filesize
36KB

Download
memory/2124-21-0x0000000002B60000-0x0000000002F60000-memory.dmp

Filesize
4.0MB

Download
memory/2124-20-0x0000000002B60000-0x0000000002F60000-memory.dmp

Filesize
4.0MB

Download
memory/2124-22-0x00007FFC2E430000-0x00007FFC2E625000-memory.dmp

Filesize
2.0MB

Download
memory/2124-24-0x0000000002B60000-0x0000000002F60000-memory.dmp

Filesize
4.0MB

Download
memory/2124-26-0x0000000002B60000-0x0000000002F60000-memory.dmp

Filesize
4.0MB

Download
memory/3216-1-0x0000000000AE0000-0x000000000110A000-memory.dmp

Filesize
6.2MB

Download
memory/3216-5-0x0000000005900000-0x0000000005922000-memory.dmp

Filesize
136KB

Download
memory/3216-0-0x0000000074F5E000-0x0000000074F5F000-memory.dmp

Filesize
4KB

Download
memory/3216-4-0x0000000006350000-0x00000000068F4000-memory.dmp

Filesize
5.6MB

Download
memory/3216-3-0x0000000005BC0000-0x0000000005DA2000-memory.dmp

Filesize
1.9MB

Download
memory/3216-2-0x0000000005A60000-0x0000000005AFC000-memory.dmp

Filesize
624KB

Download

Analysis

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