rhadamanthys | fc9b74df3d6b4881b360c1708000acb92186baa9eed140bc0724cac1f3f640fa

General

Target

fc9b74df3d6b4881b360c1708000acb92186baa9eed140bc0724cac1f3f640fa.dll
Size

30.4MB
MD5

7527d6f4b89695fa80819b9f1121f8b6
SHA1

a672f37c1b5514a96bf6bcb0d447bc8f4408fa19
SHA256

fc9b74df3d6b4881b360c1708000acb92186baa9eed140bc0724cac1f3f640fa
SHA512

dcd124ac0a1036d34be93818195b3ed586e675ce757008379017e704b5fc7d6dc8b25f81692ad7004b696c302bec19471302cc146002f576c0cd49b6a3bbbfc3
SSDEEP

393216:Se3INPM39JWBqsr7+0Xx93by0WWZ2z8BCBkYplJIdqLV:SeYNM39JWBFrVx93bdZ2k8OdqLV

Score

10^/10

rhadamanthys discovery persistence stealer

Malware Config

Signatures

Detects Rhadamanthys payload 1 IoCs

resource	yara_rule
behavioral2/memory/3344-2-0x0000000000B60000-0x0000000000BE1000-memory.dmp	Rhadamanthys_v8

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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3344 created 3052	3344	rundll32.exe	50

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-1-5-21-70482961-775596374-3727440602-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FortinetDLP = "rundll32.exe C:\\Users\\Admin\\Documents\\CrashRpt231603.dll,EntryPoint"	reg.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5108	3344	WerFault.exe	87

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3344	rundll32.exe
3344	rundll32.exe
3344	rundll32.exe
3344	rundll32.exe
2312	svchost.exe
2312	svchost.exe
2312	svchost.exe
2312	svchost.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3696 wrote to memory of 4520	3696	rundll32.exe	85
PID 3696 wrote to memory of 4520	3696	rundll32.exe	85
PID 3696 wrote to memory of 4520	3696	rundll32.exe	85
PID 4520 wrote to memory of 3344	4520	rundll32.exe	87
PID 4520 wrote to memory of 3344	4520	rundll32.exe	87
PID 4520 wrote to memory of 3344	4520	rundll32.exe	87
PID 4520 wrote to memory of 3344	4520	rundll32.exe	87
PID 4520 wrote to memory of 3344	4520	rundll32.exe	87
PID 3344 wrote to memory of 2312	3344	rundll32.exe	88
PID 3344 wrote to memory of 2312	3344	rundll32.exe	88
PID 3344 wrote to memory of 2312	3344	rundll32.exe	88
PID 3344 wrote to memory of 2312	3344	rundll32.exe	88
PID 3344 wrote to memory of 2312	3344	rundll32.exe	88
PID 4520 wrote to memory of 3268	4520	rundll32.exe	92
PID 4520 wrote to memory of 3268	4520	rundll32.exe	92
PID 4520 wrote to memory of 3268	4520	rundll32.exe	92
PID 3268 wrote to memory of 2352	3268	cmd.exe	94
PID 3268 wrote to memory of 2352	3268	cmd.exe	94
PID 3268 wrote to memory of 2352	3268	cmd.exe	94

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3052
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\System32\svchost.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2312

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc9b74df3d6b4881b360c1708000acb92186baa9eed140bc0724cac1f3f640fa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc9b74df3d6b4881b360c1708000acb92186baa9eed140bc0724cac1f3f640fa.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4520
- - 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:3344
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3344 -s 580
      4⤵
      Program crash
      PID:5108
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "FortinetDLP" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\CrashRpt231603.dll",EntryPoint /f & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3268
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "FortinetDLP" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\CrashRpt231603.dll",EntryPoint /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3344 -ip 3344
1⤵
PID:4936

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/2312-13-0x0000000001400000-0x0000000001800000-memory.dmp

Filesize
4.0MB

Download
memory/2312-19-0x0000000001400000-0x0000000001800000-memory.dmp

Filesize
4.0MB

Download
memory/2312-12-0x0000000001400000-0x0000000001800000-memory.dmp

Filesize
4.0MB

Download
memory/2312-15-0x0000000001400000-0x0000000001800000-memory.dmp

Filesize
4.0MB

Download
memory/2312-14-0x00007FFAD1C50000-0x00007FFAD1E45000-memory.dmp

Filesize
2.0MB

Download
memory/2312-10-0x0000000000BC0000-0x0000000000BCA000-memory.dmp

Filesize
40KB

Download
memory/2312-17-0x0000000076A10000-0x0000000076C25000-memory.dmp

Filesize
2.1MB

Download
memory/3344-6-0x00007FFAD1C50000-0x00007FFAD1E45000-memory.dmp

Filesize
2.0MB

Download
memory/3344-5-0x00000000029F0000-0x0000000002DF0000-memory.dmp

Filesize
4.0MB

Download
memory/3344-7-0x00000000029F0000-0x0000000002DF0000-memory.dmp

Filesize
4.0MB

Download
memory/3344-9-0x0000000076A10000-0x0000000076C25000-memory.dmp

Filesize
2.1MB

Download
memory/3344-3-0x00000000029F0000-0x0000000002DF0000-memory.dmp

Filesize
4.0MB

Download
memory/3344-18-0x00000000029F0000-0x0000000002DF0000-memory.dmp

Filesize
4.0MB

Download
memory/3344-2-0x0000000000B60000-0x0000000000BE1000-memory.dmp

Filesize
516KB

Download
memory/3344-4-0x00000000029F0000-0x0000000002DF0000-memory.dmp

Filesize
4.0MB

Download
memory/4520-0-0x0000000010000000-0x0000000012823000-memory.dmp

Filesize
40.1MB

Download
memory/4520-1-0x00000000027F0000-0x0000000002813000-memory.dmp

Filesize
140KB

Download
memory/4520-20-0x0000000002930000-0x0000000002949000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads