rhadamanthys | f6289c816a6e59b7eabd07f97a32ac92f98ba35408a1408897c0271570dd16e2

General

Target

699b82c9536a8f8718d686cd4b13027f.exe
Size

13.8MB
MD5

699b82c9536a8f8718d686cd4b13027f
SHA1

cf50c3736cd67282f8142bbb81907363bb446ddd
SHA256

f6289c816a6e59b7eabd07f97a32ac92f98ba35408a1408897c0271570dd16e2
SHA512

b449e23daf94dcbe7a13c65499f225a112228a8c75d4cde38978b143f83e08e775b4839a8d09c37d3a4afadb3a546736665503218d9b22735a8681ec81dd20bc
SSDEEP

393216:sPEvJY6rJIR1stsKIvTme9iWjS5RZyRkxj:s8vJZ+6tsK8RiW8ikxj

Score

10^/10

rhadamanthys discovery evasion execution persistence stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://147.45.44.107/9fcc2685c3ccafd/isgmmh6c.0xmid

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 264 created 1132	264	sdfgt.exe	20

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
2680	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
264	sdfgt.exe
3032	withrobot.exe

Loads dropped DLL 4 IoCs

pid	Process
2196	699b82c9536a8f8718d686cd4b13027f.exe
2196	699b82c9536a8f8718d686cd4b13027f.exe
2196	699b82c9536a8f8718d686cd4b13027f.exe
2196	699b82c9536a8f8718d686cd4b13027f.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
2940	sc.exe
2312	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	699b82c9536a8f8718d686cd4b13027f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sdfgt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dialer.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
264	sdfgt.exe
264	sdfgt.exe
2804	dialer.exe
2804	dialer.exe
2804	dialer.exe
2804	dialer.exe
3032	withrobot.exe
3032	withrobot.exe
2680	powershell.exe
3032	withrobot.exe
3032	withrobot.exe
3032	withrobot.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	powershell.exe
Token: SeDebugPrivilege	3032	withrobot.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 264	2196	699b82c9536a8f8718d686cd4b13027f.exe	31
PID 2196 wrote to memory of 264	2196	699b82c9536a8f8718d686cd4b13027f.exe	31
PID 2196 wrote to memory of 264	2196	699b82c9536a8f8718d686cd4b13027f.exe	31
PID 2196 wrote to memory of 264	2196	699b82c9536a8f8718d686cd4b13027f.exe	31
PID 2196 wrote to memory of 3032	2196	699b82c9536a8f8718d686cd4b13027f.exe	32
PID 2196 wrote to memory of 3032	2196	699b82c9536a8f8718d686cd4b13027f.exe	32
PID 2196 wrote to memory of 3032	2196	699b82c9536a8f8718d686cd4b13027f.exe	32
PID 2196 wrote to memory of 3032	2196	699b82c9536a8f8718d686cd4b13027f.exe	32
PID 264 wrote to memory of 2804	264	sdfgt.exe	33
PID 264 wrote to memory of 2804	264	sdfgt.exe	33
PID 264 wrote to memory of 2804	264	sdfgt.exe	33
PID 264 wrote to memory of 2804	264	sdfgt.exe	33
PID 264 wrote to memory of 2804	264	sdfgt.exe	33
PID 264 wrote to memory of 2804	264	sdfgt.exe	33
PID 2932 wrote to memory of 2440	2932	cmd.exe	41
PID 2932 wrote to memory of 2440	2932	cmd.exe	41
PID 2932 wrote to memory of 2440	2932	cmd.exe	41

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1132
- C:\Users\Admin\AppData\Local\Temp\699b82c9536a8f8718d686cd4b13027f.exe
  "C:\Users\Admin\AppData\Local\Temp\699b82c9536a8f8718d686cd4b13027f.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Users\Admin\AppData\Roaming\sdfgt.exe
    "C:\Users\Admin\AppData\Roaming\sdfgt.exe"
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:264
- - 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:3032
  - - 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:2680
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2932
    - - C:\Windows\system32\wusa.exe
        
        wusa /uninstall /kb:890830 /quiet /norestart
        5⤵
        Drops file in Windows directory
        
        PID:2440
  - - C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "RuntimeBroker"
      4⤵
      Launches sc.exe
      PID:2940
  - - C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe create "RuntimeBroker" binpath= "C:\ProgramData\RuntimeBroker.exe" start= "auto"
      4⤵
      Launches sc.exe
      PID:2312
- C:\Windows\SysWOW64\dialer.exe
  "C:\Windows\system32\dialer.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2804

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\sdfgt.exe

Filesize
423KB

MD5
b8bf5beebfa1cf685e813973902bdf25

SHA1
55ca38cfb317da1926f39fa82ceb6c5b9a43b0b0

SHA256
741b85f17765f4f17c342195642a39a34c8274c01e436b97b4e9294538310fd4

SHA512
bef7e644150163450a8fdb1dce5123bab73942794a6b247c93a09b5e7e30d6f18c35607466ced2a6cb56a66cc5ffa3595e8e77d6e09a22eeb492eddd7729fc6f

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

Filesize
14.8MB

MD5
02071fe1b9c8d6ade8dafa0a71600503

SHA1
5b547e72386e43c291bceea5b7d0e8f51469cd3c

SHA256
00c32e90c14f9c866a30256c8499e753397c7385e4a3fbcdc86515b9ee563faf

SHA512
1c4b1c1cb788f08dea954b795d4e0bbd7c028aa5655ce23af805243d06d1c96ef687b0788343182c1d0307e9c76088e4d53e4506e5a4f8d1707001e6549b487a

Download Submit
memory/264-30-0x0000000001290000-0x000000000130E000-memory.dmp

Filesize
504KB

Download
memory/264-24-0x0000000000760000-0x0000000000B60000-memory.dmp

Filesize
4.0MB

Download
memory/264-25-0x0000000000760000-0x0000000000B60000-memory.dmp

Filesize
4.0MB

Download
memory/264-27-0x0000000076E10000-0x0000000076F20000-memory.dmp

Filesize
1.1MB

Download
memory/264-28-0x0000000076DC0000-0x0000000076E07000-memory.dmp

Filesize
284KB

Download
memory/264-26-0x00000000775E0000-0x0000000077789000-memory.dmp

Filesize
1.7MB

Download
memory/264-12-0x0000000001290000-0x000000000130E000-memory.dmp

Filesize
504KB

Download
memory/2196-9-0x00000000038A0000-0x000000000391E000-memory.dmp

Filesize
504KB

Download
memory/2196-10-0x00000000038A0000-0x000000000391E000-memory.dmp

Filesize
504KB

Download
memory/2680-49-0x0000000001E50000-0x0000000001E58000-memory.dmp

Filesize
32KB

Download
memory/2680-48-0x000000001B5B0000-0x000000001B892000-memory.dmp

Filesize
2.9MB

Download
memory/2804-35-0x0000000076DC0000-0x0000000076E07000-memory.dmp

Filesize
284KB

Download
memory/2804-33-0x00000000775E0000-0x0000000077789000-memory.dmp

Filesize
1.7MB

Download
memory/2804-29-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2804-32-0x0000000001DE0000-0x00000000021E0000-memory.dmp

Filesize
4.0MB

Download
memory/3032-38-0x0000000077790000-0x0000000077792000-memory.dmp

Filesize
8KB

Download
memory/3032-36-0x0000000077790000-0x0000000077792000-memory.dmp

Filesize
8KB

Download
memory/3032-40-0x0000000077790000-0x0000000077792000-memory.dmp

Filesize
8KB

Download
memory/3032-41-0x000000013F240000-0x0000000140E98000-memory.dmp

Filesize
28.3MB

Download

Analysis

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