rhadamanthys | fc9b74df3d6b4881b360c1708000acb92186baa9eed140bc0724cac1f3f640fa

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-02-2025 12:53

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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
behavioral1/memory/2304-3-0x0000000000090000-0x0000000000111000-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 2304 created 1212	2304	rundll32.exe	21

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\FortinetDLP = "rundll32.exe C:\\Users\\Admin\\Documents\\CrashRpt231603.dll,EntryPoint"	reg.exe

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dialer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2304	rundll32.exe
2304	rundll32.exe
2304	rundll32.exe
2304	rundll32.exe
2712	dialer.exe
2712	dialer.exe
2712	dialer.exe
2712	dialer.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2548	2384	rundll32.exe	30
PID 2384 wrote to memory of 2548	2384	rundll32.exe	30
PID 2384 wrote to memory of 2548	2384	rundll32.exe	30
PID 2384 wrote to memory of 2548	2384	rundll32.exe	30
PID 2384 wrote to memory of 2548	2384	rundll32.exe	30
PID 2384 wrote to memory of 2548	2384	rundll32.exe	30
PID 2384 wrote to memory of 2548	2384	rundll32.exe	30
PID 2548 wrote to memory of 2304	2548	rundll32.exe	32
PID 2548 wrote to memory of 2304	2548	rundll32.exe	32
PID 2548 wrote to memory of 2304	2548	rundll32.exe	32
PID 2548 wrote to memory of 2304	2548	rundll32.exe	32
PID 2548 wrote to memory of 2304	2548	rundll32.exe	32
PID 2548 wrote to memory of 2304	2548	rundll32.exe	32
PID 2548 wrote to memory of 2304	2548	rundll32.exe	32
PID 2548 wrote to memory of 2304	2548	rundll32.exe	32
PID 2548 wrote to memory of 2304	2548	rundll32.exe	32
PID 2304 wrote to memory of 2712	2304	rundll32.exe	33
PID 2304 wrote to memory of 2712	2304	rundll32.exe	33
PID 2304 wrote to memory of 2712	2304	rundll32.exe	33
PID 2304 wrote to memory of 2712	2304	rundll32.exe	33
PID 2304 wrote to memory of 2712	2304	rundll32.exe	33
PID 2304 wrote to memory of 2712	2304	rundll32.exe	33
PID 2548 wrote to memory of 2848	2548	rundll32.exe	34
PID 2548 wrote to memory of 2848	2548	rundll32.exe	34
PID 2548 wrote to memory of 2848	2548	rundll32.exe	34
PID 2548 wrote to memory of 2848	2548	rundll32.exe	34
PID 2848 wrote to memory of 2768	2848	cmd.exe	36
PID 2848 wrote to memory of 2768	2848	cmd.exe	36
PID 2848 wrote to memory of 2768	2848	cmd.exe	36
PID 2848 wrote to memory of 2768	2848	cmd.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc9b74df3d6b4881b360c1708000acb92186baa9eed140bc0724cac1f3f640fa.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc9b74df3d6b4881b360c1708000acb92186baa9eed140bc0724cac1f3f640fa.dll,#1
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2548
  - - C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\SysWOW64\rundll32.exe"
      4⤵
      Suspicious use of NtCreateUserProcessOtherParentProcess
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2304
  - - 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
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2848
    - - 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
        5⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        
        PID:2768
- C:\Windows\SysWOW64\dialer.exe
  "C:\Windows\system32\dialer.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2712

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

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Downloads

memory/2304-8-0x0000000076D10000-0x0000000076D57000-memory.dmp

Filesize
284KB

Download
memory/2304-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2304-3-0x0000000000090000-0x0000000000111000-memory.dmp

Filesize
516KB

Download
memory/2304-5-0x0000000002210000-0x0000000002610000-memory.dmp

Filesize
4.0MB

Download
memory/2304-4-0x0000000002210000-0x0000000002610000-memory.dmp

Filesize
4.0MB

Download
memory/2304-6-0x00000000772B0000-0x0000000077459000-memory.dmp

Filesize
1.7MB

Download
memory/2548-1-0x0000000000130000-0x0000000000153000-memory.dmp

Filesize
140KB

Download
memory/2548-0-0x0000000010000000-0x0000000012823000-memory.dmp

Filesize
40.1MB

Download
memory/2548-15-0x0000000000180000-0x0000000000199000-memory.dmp

Filesize
100KB

Download
memory/2712-9-0x0000000000080000-0x000000000008A000-memory.dmp

Filesize
40KB

Download
memory/2712-11-0x0000000001E10000-0x0000000002210000-memory.dmp

Filesize
4.0MB

Download
memory/2712-14-0x0000000076D10000-0x0000000076D57000-memory.dmp

Filesize
284KB

Download
memory/2712-12-0x00000000772B0000-0x0000000077459000-memory.dmp

Filesize
1.7MB

Download