rhadamanthys | 6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630

General

Target

6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe
Size

13.8MB
MD5

371e947f5d28b083c86a5db933d392a0
SHA1

0855077258e3377f4af707ab0e33818799187234
SHA256

6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630
SHA512

9fafbaecdbdff56484e189fcec575e2a23c38b8054ed5d8206982b9b8650f5bbec2990e710a29a1134a53c060a2c2cd85b3fba6fac718c5bb213a7cea9403184
SSDEEP

393216:cSXdOirfXtcAxWCigfnjhxqFEzHVNuXvufFJi0+0mxIMLvVFJeEMQbJAQdZ:cyLrfXtZxWLAjPqGzVNGu6xPSmVFJDMa

Score

10^/10

rhadamanthys discovery evasion execution persistence stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://83.217.208.134/9fcc2685c3ccafd/mau3oarl.3v7qf

Signatures

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 2312 created 1184	2312	maaxx.exe	21

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2556	powershell.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002
Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 2 IoCs

pid	Process
2312	maaxx.exe
1992	withrobot.exe

Loads dropped DLL 4 IoCs

pid	Process
772	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe
772	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe
772	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe
772	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\system32\MRT.exe	withrobot.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\wusa.lock	wusa.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1288	sc.exe
2096	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	maaxx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dialer.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2312	maaxx.exe
2312	maaxx.exe
2676	dialer.exe
2676	dialer.exe
2676	dialer.exe
2676	dialer.exe
1992	withrobot.exe
1992	withrobot.exe
2556	powershell.exe
1992	withrobot.exe
1992	withrobot.exe
1992	withrobot.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2556	powershell.exe
Token: SeDebugPrivilege	1992	withrobot.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 772 wrote to memory of 2312	772	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe	31
PID 772 wrote to memory of 2312	772	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe	31
PID 772 wrote to memory of 2312	772	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe	31
PID 772 wrote to memory of 2312	772	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe	31
PID 2312 wrote to memory of 2676	2312	maaxx.exe	32
PID 2312 wrote to memory of 2676	2312	maaxx.exe	32
PID 2312 wrote to memory of 2676	2312	maaxx.exe	32
PID 2312 wrote to memory of 2676	2312	maaxx.exe	32
PID 2312 wrote to memory of 2676	2312	maaxx.exe	32
PID 2312 wrote to memory of 2676	2312	maaxx.exe	32
PID 772 wrote to memory of 1992	772	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe	33
PID 772 wrote to memory of 1992	772	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe	33
PID 772 wrote to memory of 1992	772	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe	33
PID 772 wrote to memory of 1992	772	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe	33
PID 2604 wrote to memory of 1532	2604	cmd.exe	42
PID 2604 wrote to memory of 1532	2604	cmd.exe	42
PID 2604 wrote to memory of 1532	2604	cmd.exe	42

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe
  "C:\Users\Admin\AppData\Local\Temp\6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:772
- - C:\Users\Admin\AppData\Roaming\maaxx.exe
    "C:\Users\Admin\AppData\Roaming\maaxx.exe"
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2312
- - C:\Users\Admin\AppData\Roaming\withrobot.exe
    "C:\Users\Admin\AppData\Roaming\withrobot.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1992
  - - C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
      4⤵
      Command and Scripting Interpreter: PowerShell
      Drops file in System32 directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2556
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2604
    - - C:\Windows\system32\wusa.exe
        
        wusa /uninstall /kb:890830 /quiet /norestart
        5⤵
        Drops file in Windows directory
        
        PID:1532
  - - C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "RuntimeBroker"
      4⤵
      Launches sc.exe
      PID:1288
  - - C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe create "RuntimeBroker" binpath= "C:\ProgramData\RuntimeBroker.exe" start= "auto"
      4⤵
      Launches sc.exe
      PID:2096
- C:\Windows\SysWOW64\dialer.exe
  "C:\Windows\system32\dialer.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

System Services

2

T1569

Service Execution

2

T1569.002

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\maaxx.exe

Filesize
423KB

MD5
b06511bb7fd960041b3feed3eb41ba10

SHA1
83eae46ba9f85fa7380411aff1745d6476fad1c9

SHA256
e74aeaf93a550857cbf3d1fe9d13c420919c4d92ea9c7b2e0ce580ae8057955f

SHA512
ad6c1c4bdb45db4baafc3fa3c49d998a8b8adf70a4a71b3739fe890fdc4c47c3f2cfc9bb97049492177a07e8a025405b78990283f27df9136cf35e0f56f31030

Download Submit
C:\Users\Admin\AppData\Roaming\withrobot.exe

Filesize
14.8MB

MD5
02071fe1b9c8d6ade8dafa0a71600503

SHA1
5b547e72386e43c291bceea5b7d0e8f51469cd3c

SHA256
00c32e90c14f9c866a30256c8499e753397c7385e4a3fbcdc86515b9ee563faf

SHA512
1c4b1c1cb788f08dea954b795d4e0bbd7c028aa5655ce23af805243d06d1c96ef687b0788343182c1d0307e9c76088e4d53e4506e5a4f8d1707001e6549b487a

Download Submit
memory/772-12-0x00000000038C0000-0x000000000393E000-memory.dmp

Filesize
504KB

Download
memory/772-5-0x00000000038C0000-0x000000000393E000-memory.dmp

Filesize
504KB

Download
memory/1992-44-0x000000013FB30000-0x0000000141788000-memory.dmp

Filesize
28.3MB

Download
memory/1992-38-0x00000000774A0000-0x00000000774A2000-memory.dmp

Filesize
8KB

Download
memory/1992-40-0x00000000774A0000-0x00000000774A2000-memory.dmp

Filesize
8KB

Download
memory/1992-42-0x00000000774A0000-0x00000000774A2000-memory.dmp

Filesize
8KB

Download
memory/2312-18-0x0000000000900000-0x0000000000D00000-memory.dmp

Filesize
4.0MB

Download
memory/2312-24-0x0000000000E30000-0x0000000000EAE000-memory.dmp

Filesize
504KB

Download
memory/2312-22-0x0000000076D00000-0x0000000076D47000-memory.dmp

Filesize
284KB

Download
memory/2312-20-0x0000000000900000-0x0000000000D00000-memory.dmp

Filesize
4.0MB

Download
memory/2312-19-0x00000000772F0000-0x0000000077499000-memory.dmp

Filesize
1.7MB

Download
memory/2312-16-0x0000000000900000-0x0000000000D00000-memory.dmp

Filesize
4.0MB

Download
memory/2312-11-0x0000000000E30000-0x0000000000EAE000-memory.dmp

Filesize
504KB

Download
memory/2556-50-0x000000001B5B0000-0x000000001B892000-memory.dmp

Filesize
2.9MB

Download
memory/2556-51-0x0000000001CD0000-0x0000000001CD8000-memory.dmp

Filesize
32KB

Download
memory/2676-23-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2676-34-0x00000000772F0000-0x0000000077499000-memory.dmp

Filesize
1.7MB

Download
memory/2676-36-0x0000000076D00000-0x0000000076D47000-memory.dmp

Filesize
284KB

Download
memory/2676-32-0x0000000001CF0000-0x00000000020F0000-memory.dmp

Filesize
4.0MB

Download

Resubmissions

Analysis

Sharing