rhadamanthys | a670e25daabef49a9a4e6d1a499971f5cbdae0a65f2d5910733f1f2dcd66a186

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
29-08-2024 05:54

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General

Target

19f330d44484a05377331cf2eb04bd6d.dll
Size

3.7MB
MD5

19f330d44484a05377331cf2eb04bd6d
SHA1

4d8a61a1371d765570f92c705791026c710b7648
SHA256

a670e25daabef49a9a4e6d1a499971f5cbdae0a65f2d5910733f1f2dcd66a186
SHA512

36b44e700250165b28ff4c03a14976ff782becbf9c1c1bd773a036bd5625a04605aa211fd002a098a578d2abd3950229b4edb4e7650ca8d9103083242bea3931
SSDEEP

98304:ziXAEqfpQA7KhbchheGvUapVXNe1gNuqh+CaO:eQxRQA7K9QPfZNe1rqh+

Score

10^/10

rhadamanthys discovery persistence stealer

Malware Config

Extracted

Family

rhadamanthys

https://92.246.139.3:2032/fb9e53a2cacd52/03btra6s.m55jc

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\CrowdstrikeEngine = "rundll32.exe C:\\Users\\Admin\\Documents\\WDEngineUpdater.dll,EntryPoint"	reg.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2784	2740	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 4 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:

rundll32.exerundll32.execmd.exereg.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

rundll32.exerundll32.exerundll32.execmd.exe

description	pid	Process	procid_target
PID 2120 wrote to memory of 756	2120	rundll32.exe	30
PID 2120 wrote to memory of 756	2120	rundll32.exe	30
PID 2120 wrote to memory of 756	2120	rundll32.exe	30
PID 2120 wrote to memory of 756	2120	rundll32.exe	30
PID 2120 wrote to memory of 756	2120	rundll32.exe	30
PID 2120 wrote to memory of 756	2120	rundll32.exe	30
PID 2120 wrote to memory of 756	2120	rundll32.exe	30
PID 756 wrote to memory of 2740	756	rundll32.exe	31
PID 756 wrote to memory of 2740	756	rundll32.exe	31
PID 756 wrote to memory of 2740	756	rundll32.exe	31
PID 756 wrote to memory of 2740	756	rundll32.exe	31
PID 756 wrote to memory of 2740	756	rundll32.exe	31
PID 756 wrote to memory of 2740	756	rundll32.exe	31
PID 756 wrote to memory of 2740	756	rundll32.exe	31
PID 756 wrote to memory of 2740	756	rundll32.exe	31
PID 756 wrote to memory of 2740	756	rundll32.exe	31
PID 756 wrote to memory of 2648	756	rundll32.exe	32
PID 756 wrote to memory of 2648	756	rundll32.exe	32
PID 756 wrote to memory of 2648	756	rundll32.exe	32
PID 756 wrote to memory of 2648	756	rundll32.exe	32
PID 2740 wrote to memory of 2784	2740	rundll32.exe	34
PID 2740 wrote to memory of 2784	2740	rundll32.exe	34
PID 2740 wrote to memory of 2784	2740	rundll32.exe	34
PID 2740 wrote to memory of 2784	2740	rundll32.exe	34
PID 2648 wrote to memory of 2976	2648	cmd.exe	35
PID 2648 wrote to memory of 2976	2648	cmd.exe	35
PID 2648 wrote to memory of 2976	2648	cmd.exe	35
PID 2648 wrote to memory of 2976	2648	cmd.exe	35

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\19f330d44484a05377331cf2eb04bd6d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\19f330d44484a05377331cf2eb04bd6d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:756
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2740
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 196
      4⤵
      Program crash
      PID:2784
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "CrowdstrikeEngine" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\WDEngineUpdater.dll",EntryPoint /f & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2648
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "CrowdstrikeEngine" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\WDEngineUpdater.dll",EntryPoint /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:2976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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/756-10-0x0000000045DB0000-0x0000000046163000-memory.dmp

Filesize
3.7MB

Download
memory/756-0-0x0000000045DB0000-0x0000000046163000-memory.dmp

Filesize
3.7MB

Download
memory/756-21-0x0000000045DB0000-0x0000000046163000-memory.dmp

Filesize
3.7MB

Download
memory/756-1-0x0000000045DE0000-0x0000000045DFA000-memory.dmp

Filesize
104KB

Download
memory/756-18-0x0000000046105000-0x0000000046133000-memory.dmp

Filesize
184KB

Download
memory/756-20-0x0000000046108000-0x0000000046133000-memory.dmp

Filesize
172KB

Download
memory/756-19-0x00000000460D6000-0x0000000046106000-memory.dmp

Filesize
192KB

Download
memory/756-17-0x00000000460DA000-0x0000000046106000-memory.dmp

Filesize
176KB

Download
memory/756-14-0x0000000045DB0000-0x0000000046163000-memory.dmp

Filesize
3.7MB

Download
memory/2740-13-0x00000000000D0000-0x000000000014E000-memory.dmp

Filesize
504KB

Download
memory/2740-12-0x00000000000D0000-0x000000000014E000-memory.dmp

Filesize
504KB

Download
memory/2740-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-16-0x00000000000D0000-0x000000000014E000-memory.dmp

Filesize
504KB

Download
memory/2740-2-0x00000000000D0000-0x000000000014E000-memory.dmp

Filesize
504KB

Download