rhadamanthys | 35b10e20e02dd63651ba1d67b48147c0b6f916f54a4dc1b8c3b2946f37aa337e

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
29-08-2024 05:54

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General

Target

4cde8dc79397be32711a5bd4e410d0f8.dll
Size

6.2MB
MD5

4cde8dc79397be32711a5bd4e410d0f8
SHA1

65c41f0f6b814e21707a263c64cd4f36bca9afd1
SHA256

35b10e20e02dd63651ba1d67b48147c0b6f916f54a4dc1b8c3b2946f37aa337e
SHA512

f6bfa6e4ef3f5b5876b6756013dfd2d9faf4bcd8d795257f6ed48c4223830931fd50b84039ce4838564cf5b47127f6aee26bf5cddfc2fcfd35b538ba87071054
SSDEEP

49152:zChvv6FzlQKxCjGj+Vd4OscisICzSHgz/1ooOEO3/8CJtQmqFkCn3sSJ5hp6A0+a:zChvydfkj2m4WIG/1Iv4PekkkdH+F

Score

10^/10

rhadamanthys discovery persistence stealer

Malware Config

Extracted

Family

rhadamanthys

https://15.235.176.166:8344/ecda3896be16ad7255/wp7s4npg.mmar7

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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\*ChromeUpdate = "rundll32.exe C:\\Users\\Admin\\Documents\\FirefoxData.dll,EntryPoint"	reg.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

rundll32.exe

pid	Process
2728	rundll32.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2668	2684	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 29 IoCs

Processes:

rundll32.exerundll32.exerundll32.execmd.exe

description	pid	Process	procid_target
PID 2364 wrote to memory of 2728	2364	rundll32.exe	30
PID 2364 wrote to memory of 2728	2364	rundll32.exe	30
PID 2364 wrote to memory of 2728	2364	rundll32.exe	30
PID 2364 wrote to memory of 2728	2364	rundll32.exe	30
PID 2364 wrote to memory of 2728	2364	rundll32.exe	30
PID 2364 wrote to memory of 2728	2364	rundll32.exe	30
PID 2364 wrote to memory of 2728	2364	rundll32.exe	30
PID 2728 wrote to memory of 2684	2728	rundll32.exe	31
PID 2728 wrote to memory of 2684	2728	rundll32.exe	31
PID 2728 wrote to memory of 2684	2728	rundll32.exe	31
PID 2728 wrote to memory of 2684	2728	rundll32.exe	31
PID 2728 wrote to memory of 2684	2728	rundll32.exe	31
PID 2728 wrote to memory of 2684	2728	rundll32.exe	31
PID 2728 wrote to memory of 2684	2728	rundll32.exe	31
PID 2728 wrote to memory of 2684	2728	rundll32.exe	31
PID 2728 wrote to memory of 2684	2728	rundll32.exe	31
PID 2728 wrote to memory of 2684	2728	rundll32.exe	31
PID 2684 wrote to memory of 2668	2684	rundll32.exe	32
PID 2684 wrote to memory of 2668	2684	rundll32.exe	32
PID 2684 wrote to memory of 2668	2684	rundll32.exe	32
PID 2684 wrote to memory of 2668	2684	rundll32.exe	32
PID 2728 wrote to memory of 2772	2728	rundll32.exe	33
PID 2728 wrote to memory of 2772	2728	rundll32.exe	33
PID 2728 wrote to memory of 2772	2728	rundll32.exe	33
PID 2728 wrote to memory of 2772	2728	rundll32.exe	33
PID 2772 wrote to memory of 2564	2772	cmd.exe	35
PID 2772 wrote to memory of 2564	2772	cmd.exe	35
PID 2772 wrote to memory of 2564	2772	cmd.exe	35
PID 2772 wrote to memory of 2564	2772	cmd.exe	35

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4cde8dc79397be32711a5bd4e410d0f8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4cde8dc79397be32711a5bd4e410d0f8.dll,#1
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2684
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 196
      4⤵
      Program crash
      PID:2668
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:2564

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

Replay Monitor

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Downloads

memory/2684-9-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/2684-14-0x0000000000150000-0x00000000001CE000-memory.dmp

Filesize
504KB

Download
memory/2684-15-0x0000000000150000-0x00000000001CE000-memory.dmp

Filesize
504KB

Download
memory/2684-17-0x0000000000150000-0x00000000001CE000-memory.dmp

Filesize
504KB

Download
memory/2684-4-0x0000000000150000-0x00000000001CE000-memory.dmp

Filesize
504KB

Download
memory/2684-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2684-8-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/2728-3-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/2728-12-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/2728-13-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/2728-11-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/2728-1-0x000000001000C000-0x0000000010025000-memory.dmp

Filesize
100KB

Download
memory/2728-2-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/2728-0-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/2728-18-0x000000001000C000-0x0000000010025000-memory.dmp

Filesize
100KB

Download