rhadamanthys | 35b10e20e02dd63651ba1d67b48147c0b6f916f54a4dc1b8c3b2946f37aa337e

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

C2

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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 692 created 3056	692	rundll32.exe	51

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\*ChromeUpdate = "rundll32.exe C:\\Users\\Admin\\Documents\\FirefoxData.dll,EntryPoint"	reg.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3872	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3852	692	WerFault.exe	95
992	692	WerFault.exe	95

System Location Discovery: System Language Discovery 1 TTPs 5 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
692	rundll32.exe
692	rundll32.exe
4536	openwith.exe
4536	openwith.exe
4536	openwith.exe
4536	openwith.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 3872	4856	rundll32.exe	84
PID 4856 wrote to memory of 3872	4856	rundll32.exe	84
PID 4856 wrote to memory of 3872	4856	rundll32.exe	84
PID 3872 wrote to memory of 692	3872	rundll32.exe	95
PID 3872 wrote to memory of 692	3872	rundll32.exe	95
PID 3872 wrote to memory of 692	3872	rundll32.exe	95
PID 3872 wrote to memory of 692	3872	rundll32.exe	95
PID 3872 wrote to memory of 692	3872	rundll32.exe	95
PID 3872 wrote to memory of 692	3872	rundll32.exe	95
PID 3872 wrote to memory of 3128	3872	rundll32.exe	96
PID 3872 wrote to memory of 3128	3872	rundll32.exe	96
PID 3872 wrote to memory of 3128	3872	rundll32.exe	96
PID 3128 wrote to memory of 3024	3128	cmd.exe	98
PID 3128 wrote to memory of 3024	3128	cmd.exe	98
PID 3128 wrote to memory of 3024	3128	cmd.exe	98
PID 692 wrote to memory of 4536	692	rundll32.exe	99
PID 692 wrote to memory of 4536	692	rundll32.exe	99
PID 692 wrote to memory of 4536	692	rundll32.exe	99
PID 692 wrote to memory of 4536	692	rundll32.exe	99
PID 692 wrote to memory of 4536	692	rundll32.exe	99

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3056
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4536

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4cde8dc79397be32711a5bd4e410d0f8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4856
- 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:3872
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:692
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 692 -s 592
      4⤵
      Program crash
      PID:3852
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 692 -s 588
      4⤵
      Program crash
      PID:992
- - 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:3128
  - - 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:3024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 692 -ip 692
1⤵
PID:2412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 692 -ip 692
1⤵
PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/692-12-0x00000000034A0000-0x00000000038A0000-memory.dmp

Filesize
4.0MB

Download
memory/692-17-0x0000000075820000-0x0000000075A35000-memory.dmp

Filesize
2.1MB

Download
memory/692-14-0x00000000034A0000-0x00000000038A0000-memory.dmp

Filesize
4.0MB

Download
memory/692-27-0x00000000034A0000-0x00000000038A0000-memory.dmp

Filesize
4.0MB

Download
memory/692-15-0x00007FFF31070000-0x00007FFF31265000-memory.dmp

Filesize
2.0MB

Download
memory/692-10-0x0000000000800000-0x000000000087E000-memory.dmp

Filesize
504KB

Download
memory/692-9-0x0000000000800000-0x000000000087E000-memory.dmp

Filesize
504KB

Download
memory/692-18-0x00000000034A0000-0x00000000038A0000-memory.dmp

Filesize
4.0MB

Download
memory/692-4-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/692-13-0x00000000034A0000-0x00000000038A0000-memory.dmp

Filesize
4.0MB

Download
memory/692-11-0x0000000000800000-0x000000000087E000-memory.dmp

Filesize
504KB

Download
memory/3872-1-0x000000001000C000-0x0000000010025000-memory.dmp

Filesize
100KB

Download
memory/3872-7-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/3872-8-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/3872-3-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/3872-6-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/3872-0-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/4536-28-0x0000000002CD0000-0x00000000030D0000-memory.dmp

Filesize
4.0MB

Download
memory/4536-19-0x0000000001090000-0x0000000001099000-memory.dmp

Filesize
36KB

Download
memory/4536-22-0x0000000002CD0000-0x00000000030D0000-memory.dmp

Filesize
4.0MB

Download
memory/4536-23-0x00007FFF31070000-0x00007FFF31265000-memory.dmp

Filesize
2.0MB

Download
memory/4536-24-0x0000000002CD0000-0x00000000030D0000-memory.dmp

Filesize
4.0MB

Download
memory/4536-26-0x0000000075820000-0x0000000075A35000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads