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 3616 created 2648	3616	maaxx.exe	44

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
732	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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe

Executes dropped EXE 2 IoCs

pid	Process
3616	maaxx.exe
2120	withrobot.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\MRT.exe	withrobot.exe

Launches sc.exe 2 IoCs

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

pid	Process
1184	sc.exe
1160	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	openwith.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	maaxx.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
3616	maaxx.exe
3616	maaxx.exe
4292	openwith.exe
4292	openwith.exe
4292	openwith.exe
4292	openwith.exe
2120	withrobot.exe
2120	withrobot.exe
2120	withrobot.exe
732	powershell.exe
732	powershell.exe
2120	withrobot.exe
2120	withrobot.exe
2120	withrobot.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	732	powershell.exe
Token: SeDebugPrivilege	2120	withrobot.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 3616	2364	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe	82
PID 2364 wrote to memory of 3616	2364	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe	82
PID 2364 wrote to memory of 3616	2364	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe	82
PID 2364 wrote to memory of 2120	2364	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe	83
PID 2364 wrote to memory of 2120	2364	6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe	83
PID 3616 wrote to memory of 4292	3616	maaxx.exe	84
PID 3616 wrote to memory of 4292	3616	maaxx.exe	84
PID 3616 wrote to memory of 4292	3616	maaxx.exe	84
PID 3616 wrote to memory of 4292	3616	maaxx.exe	84
PID 3616 wrote to memory of 4292	3616	maaxx.exe	84
PID 4780 wrote to memory of 3660	4780	cmd.exe	93
PID 4780 wrote to memory of 3660	4780	cmd.exe	93

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4292

C:\Users\Admin\AppData\Local\Temp\6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe
"C:\Users\Admin\AppData\Local\Temp\6a45de9005c3af696b8b4e9493b51ffdd7fe815acdd9dc3afc52401f612ae630.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Roaming\maaxx.exe
  "C:\Users\Admin\AppData\Roaming\maaxx.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3616
- C:\Users\Admin\AppData\Roaming\withrobot.exe
  "C:\Users\Admin\AppData\Roaming\withrobot.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2120
- - 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
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:732
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4780
  - - C:\Windows\system32\wusa.exe
      wusa /uninstall /kb:890830 /quiet /norestart
      4⤵
      PID:3660
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe delete "RuntimeBroker"
    3⤵
    - Launches sc.exe
    PID:1184
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe create "RuntimeBroker" binpath= "C:\ProgramData\RuntimeBroker.exe" start= "auto"
    3⤵
    - Launches sc.exe
    PID:1160

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

Query Registry

1

T1012

System Information Discovery

2

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_c0cs2qi5.dvb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
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/732-141-0x0000024679AA0000-0x0000024679AC2000-memory.dmp

Filesize
136KB

Download
memory/2120-136-0x00007FF6E0B99000-0x00007FF6E1233000-memory.dmp

Filesize
6.6MB

Download
memory/2120-154-0x00007FF6E0B99000-0x00007FF6E1233000-memory.dmp

Filesize
6.6MB

Download
memory/2120-140-0x00007FF6E0B99000-0x00007FF6E1233000-memory.dmp

Filesize
6.6MB

Download
memory/2120-139-0x00007FF6E04B0000-0x00007FF6E2108000-memory.dmp

Filesize
28.3MB

Download
memory/2120-137-0x00007FF8169F0000-0x00007FF8169F2000-memory.dmp

Filesize
8KB

Download
memory/3616-123-0x0000000003A70000-0x0000000003E70000-memory.dmp

Filesize
4.0MB

Download
memory/3616-122-0x0000000003A70000-0x0000000003E70000-memory.dmp

Filesize
4.0MB

Download
memory/3616-126-0x0000000003A70000-0x0000000003E70000-memory.dmp

Filesize
4.0MB

Download
memory/3616-130-0x0000000000220000-0x000000000029E000-memory.dmp

Filesize
504KB

Download
memory/3616-128-0x0000000076A00000-0x0000000076C15000-memory.dmp

Filesize
2.1MB

Download
memory/3616-125-0x00007FF8167F0000-0x00007FF8169E5000-memory.dmp

Filesize
2.0MB

Download
memory/3616-124-0x0000000003A70000-0x0000000003E70000-memory.dmp

Filesize
4.0MB

Download
memory/3616-60-0x0000000000220000-0x000000000029E000-memory.dmp

Filesize
504KB

Download
memory/4292-132-0x00000000028A0000-0x0000000002CA0000-memory.dmp

Filesize
4.0MB

Download
memory/4292-133-0x00007FF8167F0000-0x00007FF8169E5000-memory.dmp

Filesize
2.0MB

Download
memory/4292-135-0x0000000076A00000-0x0000000076C15000-memory.dmp

Filesize
2.1MB

Download
memory/4292-129-0x00000000009A0000-0x00000000009A9000-memory.dmp

Filesize
36KB

Download

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