rhadamanthys | 66ffa9d4e27a9f787eaa47364d57b95feae92af35ab154299c5134eacc9f4c42

General

Target

223a3aa520689c0021d8ce51024d5bb0N.dll
Size

3.7MB
MD5

223a3aa520689c0021d8ce51024d5bb0
SHA1

1fbcb94006ea1b3dd1796cebe0e78fb0b9b6a874
SHA256

66ffa9d4e27a9f787eaa47364d57b95feae92af35ab154299c5134eacc9f4c42
SHA512

b329830a0b22310e4262bd071edfaf38afa199bb428dc1f99b31c83df0f699eb842e6a466d803670d5066780217e7eb966e505262c3620eeb922629ee6883fe3
SSDEEP

98304:ziXAEqfpQA7KhbchheGvUapVXNe1gNuqh+CaO:eQxRQA7K9QPfZNe1rqh+

Score

10^/10

rhadamanthys discovery persistence stealer

Malware Config

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 400 created 2820	400	rundll32.exe	49

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-1-5-21-4182098368-2521458979-3782681353-1000\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
968	400	WerFault.exe	93
3960	400	WerFault.exe	93

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
400	rundll32.exe
400	rundll32.exe
4472	openwith.exe
4472	openwith.exe
4472	openwith.exe
4472	openwith.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

rundll32.exerundll32.execmd.exerundll32.exe

description	pid	Process	procid_target
PID 1880 wrote to memory of 4384	1880	rundll32.exe	84
PID 1880 wrote to memory of 4384	1880	rundll32.exe	84
PID 1880 wrote to memory of 4384	1880	rundll32.exe	84
PID 4384 wrote to memory of 400	4384	rundll32.exe	93
PID 4384 wrote to memory of 400	4384	rundll32.exe	93
PID 4384 wrote to memory of 400	4384	rundll32.exe	93
PID 4384 wrote to memory of 400	4384	rundll32.exe	93
PID 4384 wrote to memory of 400	4384	rundll32.exe	93
PID 4384 wrote to memory of 4292	4384	rundll32.exe	94
PID 4384 wrote to memory of 4292	4384	rundll32.exe	94
PID 4384 wrote to memory of 4292	4384	rundll32.exe	94
PID 4292 wrote to memory of 3100	4292	cmd.exe	96
PID 4292 wrote to memory of 3100	4292	cmd.exe	96
PID 4292 wrote to memory of 3100	4292	cmd.exe	96
PID 400 wrote to memory of 4472	400	rundll32.exe	98
PID 400 wrote to memory of 4472	400	rundll32.exe	98
PID 400 wrote to memory of 4472	400	rundll32.exe	98
PID 400 wrote to memory of 4472	400	rundll32.exe	98
PID 400 wrote to memory of 4472	400	rundll32.exe	98

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2820
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4472

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\223a3aa520689c0021d8ce51024d5bb0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\223a3aa520689c0021d8ce51024d5bb0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4384
- - 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:400
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 600
      4⤵
      Program crash
      PID:968
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 592
      4⤵
      Program crash
      PID:3960
- - 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:4292
  - - 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:3100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 400 -ip 400
1⤵
PID:2076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 400 -ip 400
1⤵
PID:2056

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

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Downloads

memory/400-2-0x0000000000AE0000-0x0000000000B5E000-memory.dmp

Filesize
504KB

Download
memory/400-33-0x0000000003920000-0x0000000003D20000-memory.dmp

Filesize
4.0MB

Download
memory/400-7-0x0000000000AE0000-0x0000000000B5E000-memory.dmp

Filesize
504KB

Download
memory/400-16-0x0000000000AE0000-0x0000000000B5E000-memory.dmp

Filesize
504KB

Download
memory/400-23-0x0000000076E70000-0x0000000077085000-memory.dmp

Filesize
2.1MB

Download
memory/400-18-0x0000000003920000-0x0000000003D20000-memory.dmp

Filesize
4.0MB

Download
memory/400-19-0x0000000003920000-0x0000000003D20000-memory.dmp

Filesize
4.0MB

Download
memory/400-20-0x00007FFAA3230000-0x00007FFAA3425000-memory.dmp

Filesize
2.0MB

Download
memory/400-21-0x0000000003920000-0x0000000003D20000-memory.dmp

Filesize
4.0MB

Download
memory/400-17-0x0000000003920000-0x0000000003D20000-memory.dmp

Filesize
4.0MB

Download
memory/400-6-0x0000000000AE0000-0x0000000000B5E000-memory.dmp

Filesize
504KB

Download
memory/4384-1-0x0000000045DE0000-0x0000000045DFA000-memory.dmp

Filesize
104KB

Download
memory/4384-15-0x0000000046108000-0x0000000046133000-memory.dmp

Filesize
172KB

Download
memory/4384-5-0x0000000045DB0000-0x0000000046163000-memory.dmp

Filesize
3.7MB

Download
memory/4384-0-0x0000000045DB0000-0x0000000046163000-memory.dmp

Filesize
3.7MB

Download
memory/4384-10-0x0000000046105000-0x0000000046133000-memory.dmp

Filesize
184KB

Download
memory/4384-11-0x00000000460CD000-0x00000000460D1000-memory.dmp

Filesize
16KB

Download
memory/4384-12-0x00000000460D2000-0x00000000460D7000-memory.dmp

Filesize
20KB

Download
memory/4384-13-0x00000000460D6000-0x0000000046106000-memory.dmp

Filesize
192KB

Download
memory/4384-14-0x00000000460DA000-0x0000000046106000-memory.dmp

Filesize
176KB

Download
memory/4384-3-0x0000000045DB0000-0x0000000046163000-memory.dmp

Filesize
3.7MB

Download
memory/4384-4-0x0000000045DB0000-0x0000000046163000-memory.dmp

Filesize
3.7MB

Download
memory/4472-31-0x0000000002770000-0x0000000002B70000-memory.dmp

Filesize
4.0MB

Download
memory/4472-30-0x0000000076E70000-0x0000000077085000-memory.dmp

Filesize
2.1MB

Download
memory/4472-28-0x00007FFAA3230000-0x00007FFAA3425000-memory.dmp

Filesize
2.0MB

Download
memory/4472-27-0x0000000002770000-0x0000000002B70000-memory.dmp

Filesize
4.0MB

Download
memory/4472-32-0x0000000002770000-0x0000000002B70000-memory.dmp

Filesize
4.0MB

Download
memory/4472-24-0x0000000000C60000-0x0000000000C69000-memory.dmp

Filesize
36KB

Download
memory/4472-26-0x0000000002770000-0x0000000002B70000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads