rhadamanthys | a670e25daabef49a9a4e6d1a499971f5cbdae0a65f2d5910733f1f2dcd66a186

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

C2

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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 3732 created 2956	3732	rundll32.exe	50

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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CrowdstrikeEngine = "rundll32.exe C:\\Users\\Admin\\Documents\\WDEngineUpdater.dll,EntryPoint"	reg.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	Process	procid_target
4072	3732	WerFault.exe	97
4324	3732	WerFault.exe	97

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

Processes:

rundll32.exerundll32.execmd.exereg.exeopenwith.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

rundll32.exeopenwith.exe

pid	Process
3732	rundll32.exe
3732	rundll32.exe
5096	openwith.exe
5096	openwith.exe
5096	openwith.exe
5096	openwith.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

rundll32.exerundll32.execmd.exerundll32.exe

description	pid	Process	procid_target
PID 2120 wrote to memory of 1092	2120	rundll32.exe	86
PID 2120 wrote to memory of 1092	2120	rundll32.exe	86
PID 2120 wrote to memory of 1092	2120	rundll32.exe	86
PID 1092 wrote to memory of 3732	1092	rundll32.exe	97
PID 1092 wrote to memory of 3732	1092	rundll32.exe	97
PID 1092 wrote to memory of 3732	1092	rundll32.exe	97
PID 1092 wrote to memory of 3732	1092	rundll32.exe	97
PID 1092 wrote to memory of 3732	1092	rundll32.exe	97
PID 1092 wrote to memory of 2104	1092	rundll32.exe	98
PID 1092 wrote to memory of 2104	1092	rundll32.exe	98
PID 1092 wrote to memory of 2104	1092	rundll32.exe	98
PID 2104 wrote to memory of 3396	2104	cmd.exe	100
PID 2104 wrote to memory of 3396	2104	cmd.exe	100
PID 2104 wrote to memory of 3396	2104	cmd.exe	100
PID 3732 wrote to memory of 5096	3732	rundll32.exe	101
PID 3732 wrote to memory of 5096	3732	rundll32.exe	101
PID 3732 wrote to memory of 5096	3732	rundll32.exe	101
PID 3732 wrote to memory of 5096	3732	rundll32.exe	101
PID 3732 wrote to memory of 5096	3732	rundll32.exe	101

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2956
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:5096

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:1092
- - 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:3732
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 584
      4⤵
      Program crash
      PID:4072
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 604
      4⤵
      Program crash
      PID:4324
- - 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:2104
  - - 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:3396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3732 -ip 3732
1⤵
PID:4588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3732 -ip 3732
1⤵
PID:4348

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/1092-7-0x0000000045DB0000-0x0000000046163000-memory.dmp

Filesize
3.7MB

Download
memory/1092-0-0x0000000045DB0000-0x0000000046163000-memory.dmp

Filesize
3.7MB

Download
memory/1092-5-0x0000000045DB0000-0x0000000046163000-memory.dmp

Filesize
3.7MB

Download
memory/1092-1-0x0000000045DE0000-0x0000000045DFA000-memory.dmp

Filesize
104KB

Download
memory/1092-3-0x0000000045DB0000-0x0000000046163000-memory.dmp

Filesize
3.7MB

Download
memory/1092-2-0x0000000045DB0000-0x0000000046163000-memory.dmp

Filesize
3.7MB

Download
memory/1092-12-0x0000000045DE0000-0x0000000045DFA000-memory.dmp

Filesize
104KB

Download
memory/3732-16-0x0000000003230000-0x0000000003630000-memory.dmp

Filesize
4.0MB

Download
memory/3732-20-0x0000000076AD0000-0x0000000076CE5000-memory.dmp

Filesize
2.1MB

Download
memory/3732-13-0x0000000000140000-0x00000000001BE000-memory.dmp

Filesize
504KB

Download
memory/3732-9-0x0000000000140000-0x00000000001BE000-memory.dmp

Filesize
504KB

Download
memory/3732-14-0x0000000003230000-0x0000000003630000-memory.dmp

Filesize
4.0MB

Download
memory/3732-4-0x0000000000140000-0x00000000001BE000-memory.dmp

Filesize
504KB

Download
memory/3732-15-0x0000000003230000-0x0000000003630000-memory.dmp

Filesize
4.0MB

Download
memory/3732-17-0x00007FFAE4F90000-0x00007FFAE5185000-memory.dmp

Filesize
2.0MB

Download
memory/3732-18-0x0000000003230000-0x0000000003630000-memory.dmp

Filesize
4.0MB

Download
memory/3732-8-0x0000000000140000-0x00000000001BE000-memory.dmp

Filesize
504KB

Download
memory/3732-30-0x0000000003230000-0x0000000003630000-memory.dmp

Filesize
4.0MB

Download
memory/5096-24-0x00007FFAE4F90000-0x00007FFAE5185000-memory.dmp

Filesize
2.0MB

Download
memory/5096-27-0x0000000002C30000-0x0000000003030000-memory.dmp

Filesize
4.0MB

Download
memory/5096-28-0x0000000076AD0000-0x0000000076CE5000-memory.dmp

Filesize
2.1MB

Download
memory/5096-23-0x0000000002C30000-0x0000000003030000-memory.dmp

Filesize
4.0MB

Download
memory/5096-26-0x0000000002C30000-0x0000000003030000-memory.dmp

Filesize
4.0MB

Download
memory/5096-29-0x0000000002C30000-0x0000000003030000-memory.dmp

Filesize
4.0MB

Download
memory/5096-21-0x0000000000D30000-0x0000000000D39000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads