rhadamanthys | 709cbb4597154816bd82e8043ce9025371dbffcf84bbe323ab5fc0bc26aa261c

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/02/2025, 12:51

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General

Target

709cbb4597154816bd82e8043ce9025371dbffcf84bbe323ab5fc0bc26aa261c.dll
Size

39.2MB
MD5

065ba31c88287283ea37b963c29843a5
SHA1

1dd0fef2b44cf95776439c2e34b0306c031a8ca5
SHA256

709cbb4597154816bd82e8043ce9025371dbffcf84bbe323ab5fc0bc26aa261c
SHA512

3d167e4f89a9a92c909ca404d2db30b564dee2a91f0cd04d46e6bef175943d0e38d2cbd12910b68cd20398dbf30730129aed4fc1d6ae0c7ae3fe2992b7e5ab4f
SSDEEP

393216:xe3INPM393Bqsr7+0Xx93by0WWZ2z8BCBkYplJIdqpLfX:xeYNM393BFrVx93bdZ2k8OdqpLP

Score

10^/10

rhadamanthys discovery persistence stealer

Malware Config

Signatures

Detects Rhadamanthys payload 3 IoCs

resource	yara_rule
behavioral1/memory/2728-4-0x00000000000D0000-0x0000000000151000-memory.dmp	Rhadamanthys_v8
behavioral1/memory/2728-5-0x00000000000D0000-0x0000000000151000-memory.dmp	Rhadamanthys_v8
behavioral1/memory/2728-7-0x00000000000D0000-0x0000000000151000-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 2728 created 1184	2728	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-1-5-21-1488793075-819845221-1497111674-1000\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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dialer.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2728	rundll32.exe
2728	rundll32.exe
2728	rundll32.exe
2728	rundll32.exe
2772	dialer.exe
2772	dialer.exe
2772	dialer.exe
2772	dialer.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2252	2092	rundll32.exe	30
PID 2092 wrote to memory of 2252	2092	rundll32.exe	30
PID 2092 wrote to memory of 2252	2092	rundll32.exe	30
PID 2092 wrote to memory of 2252	2092	rundll32.exe	30
PID 2092 wrote to memory of 2252	2092	rundll32.exe	30
PID 2092 wrote to memory of 2252	2092	rundll32.exe	30
PID 2092 wrote to memory of 2252	2092	rundll32.exe	30
PID 2252 wrote to memory of 2728	2252	rundll32.exe	31
PID 2252 wrote to memory of 2728	2252	rundll32.exe	31
PID 2252 wrote to memory of 2728	2252	rundll32.exe	31
PID 2252 wrote to memory of 2728	2252	rundll32.exe	31
PID 2252 wrote to memory of 2728	2252	rundll32.exe	31
PID 2252 wrote to memory of 2728	2252	rundll32.exe	31
PID 2252 wrote to memory of 2728	2252	rundll32.exe	31
PID 2252 wrote to memory of 2728	2252	rundll32.exe	31
PID 2252 wrote to memory of 2728	2252	rundll32.exe	31
PID 2252 wrote to memory of 3012	2252	rundll32.exe	32
PID 2252 wrote to memory of 3012	2252	rundll32.exe	32
PID 2252 wrote to memory of 3012	2252	rundll32.exe	32
PID 2252 wrote to memory of 3012	2252	rundll32.exe	32
PID 3012 wrote to memory of 2696	3012	cmd.exe	34
PID 3012 wrote to memory of 2696	3012	cmd.exe	34
PID 3012 wrote to memory of 2696	3012	cmd.exe	34
PID 3012 wrote to memory of 2696	3012	cmd.exe	34
PID 2728 wrote to memory of 2772	2728	rundll32.exe	35
PID 2728 wrote to memory of 2772	2728	rundll32.exe	35
PID 2728 wrote to memory of 2772	2728	rundll32.exe	35
PID 2728 wrote to memory of 2772	2728	rundll32.exe	35
PID 2728 wrote to memory of 2772	2728	rundll32.exe	35
PID 2728 wrote to memory of 2772	2728	rundll32.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\709cbb4597154816bd82e8043ce9025371dbffcf84bbe323ab5fc0bc26aa261c.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\709cbb4597154816bd82e8043ce9025371dbffcf84bbe323ab5fc0bc26aa261c.dll,#1
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2252
  - - 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:2728
  - - 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:3012
    - - 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:2696
- C:\Windows\SysWOW64\dialer.exe
  "C:\Windows\system32\dialer.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2772

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/2252-0-0x0000000010000000-0x0000000012944000-memory.dmp

Filesize
41.3MB

Download
memory/2728-4-0x00000000000D0000-0x0000000000151000-memory.dmp

Filesize
516KB

Download
memory/2728-5-0x00000000000D0000-0x0000000000151000-memory.dmp

Filesize
516KB

Download
memory/2728-7-0x00000000000D0000-0x0000000000151000-memory.dmp

Filesize
516KB

Download
memory/2728-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-1-0x00000000000D0000-0x0000000000151000-memory.dmp

Filesize
516KB

Download
memory/2728-10-0x00000000020C0000-0x00000000024C0000-memory.dmp

Filesize
4.0MB

Download
memory/2728-11-0x00000000020C0000-0x00000000024C0000-memory.dmp

Filesize
4.0MB

Download
memory/2728-12-0x0000000077920000-0x0000000077AC9000-memory.dmp

Filesize
1.7MB

Download
memory/2728-14-0x0000000075870000-0x00000000758B7000-memory.dmp

Filesize
284KB

Download
memory/2772-15-0x0000000000080000-0x000000000008A000-memory.dmp

Filesize
40KB

Download
memory/2772-17-0x0000000001DF0000-0x00000000021F0000-memory.dmp

Filesize
4.0MB

Download
memory/2772-20-0x0000000075870000-0x00000000758B7000-memory.dmp

Filesize
284KB

Download
memory/2772-18-0x0000000077920000-0x0000000077AC9000-memory.dmp

Filesize
1.7MB

Download