rhadamanthys | 4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060

General

Target

4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe
Size

13.8MB
MD5

135dfcaa5528b7b142b1eaf2ff1c0e12
SHA1

dd627df5ce8f16a9223bcada97e2137869f6e017
SHA256

4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060
SHA512

0a62c0be7220d03c53aa66ae676bb7b59cc84161671ab9f9cfa09fa71059aff4161bf24be04780f7d930fa8e9dbf5b9383d407e97df88f860c134d595bee3896
SSDEEP

393216:cwV/LcRDX5ADxbV7UEtydTCNUB6InvPmRFv591NUtiJ:cMCD5KTxydTsUB6IgJ5pUtc

Score

10^/10

rhadamanthys discovery evasion execution persistence stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://83.217.208.134/9fcc2685c3ccafd/evhh1lph.0xkmk

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 2092 created 1200	2092	dhrfsdfr.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
2720	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
2092	dhrfsdfr.exe
3068	withrobot.exe

Loads dropped DLL 4 IoCs

pid	Process
2476	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe
2476	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe
2476	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe
2476	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.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
3008	sc.exe
1896	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	dialer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dhrfsdfr.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2092	dhrfsdfr.exe
2092	dhrfsdfr.exe
2840	dialer.exe
2840	dialer.exe
2840	dialer.exe
2840	dialer.exe
3068	withrobot.exe
3068	withrobot.exe
2720	powershell.exe
3068	withrobot.exe
3068	withrobot.exe
3068	withrobot.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	powershell.exe
Token: SeDebugPrivilege	3068	withrobot.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 2092	2476	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe	31
PID 2476 wrote to memory of 2092	2476	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe	31
PID 2476 wrote to memory of 2092	2476	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe	31
PID 2476 wrote to memory of 2092	2476	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe	31
PID 2476 wrote to memory of 3068	2476	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe	32
PID 2476 wrote to memory of 3068	2476	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe	32
PID 2476 wrote to memory of 3068	2476	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe	32
PID 2476 wrote to memory of 3068	2476	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe	32
PID 2092 wrote to memory of 2840	2092	dhrfsdfr.exe	33
PID 2092 wrote to memory of 2840	2092	dhrfsdfr.exe	33
PID 2092 wrote to memory of 2840	2092	dhrfsdfr.exe	33
PID 2092 wrote to memory of 2840	2092	dhrfsdfr.exe	33
PID 2092 wrote to memory of 2840	2092	dhrfsdfr.exe	33
PID 2092 wrote to memory of 2840	2092	dhrfsdfr.exe	33
PID 3048 wrote to memory of 744	3048	cmd.exe	41
PID 3048 wrote to memory of 744	3048	cmd.exe	41
PID 3048 wrote to memory of 744	3048	cmd.exe	41

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe
  "C:\Users\Admin\AppData\Local\Temp\4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2476
- - C:\Users\Admin\AppData\Roaming\dhrfsdfr.exe
    "C:\Users\Admin\AppData\Roaming\dhrfsdfr.exe"
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2092
- - 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:3068
  - - 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:2720
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3048
    - - C:\Windows\system32\wusa.exe
        
        wusa /uninstall /kb:890830 /quiet /norestart
        5⤵
        Drops file in Windows directory
        
        PID:744
  - - C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "RuntimeBroker"
      4⤵
      Launches sc.exe
      PID:3008
  - - C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe create "RuntimeBroker" binpath= "C:\ProgramData\RuntimeBroker.exe" start= "auto"
      4⤵
      Launches sc.exe
      PID:1896
- C:\Windows\SysWOW64\dialer.exe
  "C:\Windows\system32\dialer.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2840

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

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Downloads

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

Filesize
423KB

MD5
f75fd41b890f7d1915656eb3c349d231

SHA1
a6dac338a2c4118b0b642560a1c0b1d6f10863c9

SHA256
069c13063d9f5a0792437bf219b30dd2e3c6c1fa498970ad61505571bbdf1adc

SHA512
24f2c673f5530bf09b66d8ea591d869e2625b91cf3d3953f6a75052fa18b16b71ae35730b2de1b11760d22e686b23716945b50da46481bd92b65f757f6222716

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

Filesize
14.8MB

MD5
02071fe1b9c8d6ade8dafa0a71600503

SHA1
5b547e72386e43c291bceea5b7d0e8f51469cd3c

SHA256
00c32e90c14f9c866a30256c8499e753397c7385e4a3fbcdc86515b9ee563faf

SHA512
1c4b1c1cb788f08dea954b795d4e0bbd7c028aa5655ce23af805243d06d1c96ef687b0788343182c1d0307e9c76088e4d53e4506e5a4f8d1707001e6549b487a

Download Submit
memory/2092-25-0x0000000077360000-0x0000000077509000-memory.dmp

Filesize
1.7MB

Download
memory/2092-12-0x0000000000BB0000-0x0000000000C2E000-memory.dmp

Filesize
504KB

Download
memory/2092-23-0x0000000000790000-0x0000000000B90000-memory.dmp

Filesize
4.0MB

Download
memory/2092-24-0x0000000000790000-0x0000000000B90000-memory.dmp

Filesize
4.0MB

Download
memory/2092-31-0x0000000000BB0000-0x0000000000C2E000-memory.dmp

Filesize
504KB

Download
memory/2092-27-0x0000000076600000-0x0000000076647000-memory.dmp

Filesize
284KB

Download
memory/2476-10-0x0000000003A10000-0x0000000003A8E000-memory.dmp

Filesize
504KB

Download
memory/2476-9-0x0000000003A10000-0x0000000003A8E000-memory.dmp

Filesize
504KB

Download
memory/2720-48-0x0000000002380000-0x0000000002388000-memory.dmp

Filesize
32KB

Download
memory/2720-47-0x000000001B400000-0x000000001B6E2000-memory.dmp

Filesize
2.9MB

Download
memory/2840-32-0x0000000077360000-0x0000000077509000-memory.dmp

Filesize
1.7MB

Download
memory/2840-30-0x0000000001D90000-0x0000000002190000-memory.dmp

Filesize
4.0MB

Download
memory/2840-34-0x0000000076600000-0x0000000076647000-memory.dmp

Filesize
284KB

Download
memory/2840-28-0x0000000000090000-0x0000000000099000-memory.dmp

Filesize
36KB

Download
memory/3068-36-0x0000000077510000-0x0000000077512000-memory.dmp

Filesize
8KB

Download
memory/3068-38-0x0000000077510000-0x0000000077512000-memory.dmp

Filesize
8KB

Download
memory/3068-40-0x0000000077510000-0x0000000077512000-memory.dmp

Filesize
8KB

Download
memory/3068-41-0x000000013F450000-0x00000001410A8000-memory.dmp

Filesize
28.3MB

Download

Analysis

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