rhadamanthys | 9f18caf887db4cccec90f1d018538b77fd5b6e2f7bcaaecbd66fee016f98e10d

Analysis

max time kernel
90s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
22-09-2024 14:28

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General

Target

Installer_Kms.exe
Size

68.0MB
MD5

f53efc191a90dd0ba78c961b513efb56
SHA1

0a30f6b17900dd62ba3c76289ae7f427dd8c26cd
SHA256

9f18caf887db4cccec90f1d018538b77fd5b6e2f7bcaaecbd66fee016f98e10d
SHA512

a4b05a36ce2b58821a14d2f13d176756e0293e777e50e052a52a0543cc2fbee93ae4b0f46af21aa4b5ba86a5414ebc400da60201f25c1da8820620ad408e67a7
SSDEEP

786432:qxGBxG0xG4xGRxGXxGWxGmxGjxGBxG/xG8xGvxGqxGixG:qEBE0E4EREXEWEmEjEBE/E8EvEqEiE

Score

10^/10

rhadamanthys discovery stealer

Malware Config

Extracted

Family

rhadamanthys

https://185.184.26.10:4928/e4eb12414c95175ccfd/15_SEP

Signatures

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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
1	bitbucket.org
2	bitbucket.org

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\temp.000	Installer_Kms.exe
File opened for modification	C:\Windows\SysWOW64\shell32.dll	Installer_Kms.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1388 set thread context of 4492	1388	Installer_Kms.exe	78

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4360	4492	WerFault.exe	78

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

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1388	Installer_Kms.exe
Token: SeCreatePagefilePrivilege	1388	Installer_Kms.exe
Token: SeShutdownPrivilege	1388	Installer_Kms.exe
Token: SeCreatePagefilePrivilege	1388	Installer_Kms.exe
Token: SeShutdownPrivilege	1388	Installer_Kms.exe
Token: SeCreatePagefilePrivilege	1388	Installer_Kms.exe
Token: SeShutdownPrivilege	1388	Installer_Kms.exe
Token: SeCreatePagefilePrivilege	1388	Installer_Kms.exe
Token: SeShutdownPrivilege	1388	Installer_Kms.exe
Token: SeCreatePagefilePrivilege	1388	Installer_Kms.exe
Token: SeShutdownPrivilege	1388	Installer_Kms.exe
Token: SeCreatePagefilePrivilege	1388	Installer_Kms.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 4492	1388	Installer_Kms.exe	78
PID 1388 wrote to memory of 4492	1388	Installer_Kms.exe	78
PID 1388 wrote to memory of 4492	1388	Installer_Kms.exe	78
PID 1388 wrote to memory of 4492	1388	Installer_Kms.exe	78
PID 1388 wrote to memory of 4492	1388	Installer_Kms.exe	78
PID 1388 wrote to memory of 4492	1388	Installer_Kms.exe	78
PID 1388 wrote to memory of 4492	1388	Installer_Kms.exe	78
PID 1388 wrote to memory of 4492	1388	Installer_Kms.exe	78
PID 1388 wrote to memory of 4492	1388	Installer_Kms.exe	78
PID 1388 wrote to memory of 4492	1388	Installer_Kms.exe	78

C:\Users\Admin\AppData\Local\Temp\Installer_Kms.exe
"C:\Users\Admin\AppData\Local\Temp\Installer_Kms.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1388
- 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:4492
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 412
    3⤵
    - Program crash
    PID:4360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4492 -ip 4492
1⤵
PID:4148

Network

MITRE ATT&CK Enterprise v15

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

Web Service

T1102

Exfiltration

Impact

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Downloads

memory/4492-8-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/4492-9-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/4492-12-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/4492-10-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download