rhadamanthys | 30cb3108c3ddc94267711231a6fe166f13053ae4765c37a88bfd08c8f9235f4d

General

Target

30cb3108c3ddc94267711231a6fe166f13053ae4765c37a88bfd08c8f9235f4d.exe
Size

13.8MB
MD5

136dbcf9a827c27791c703f31d98ffe5
SHA1

f3606e2860007494475616bbf23b63812906bbd9
SHA256

30cb3108c3ddc94267711231a6fe166f13053ae4765c37a88bfd08c8f9235f4d
SHA512

1349cb55cb8632f99a82754b290981d6c5acee303620878d6e93d0930e3d1f61bfc9e5657350a204edd89342fbfee3007fd65bd610f3555a7aa25479f0a4281a
SSDEEP

393216:cZ0P38HyS6r3LgWe+3v1jHmhyc9v9XqTZYR9iR6:ckMHyS+9lhSyaRQs

Score

10^/10

rhadamanthys discovery evasion execution persistence stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://83.217.208.134/9fcc2685c3ccafd/pa8qm8h9.hc0r5

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 4460 created 2832	4460	otdel.exe	50

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
368	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	30cb3108c3ddc94267711231a6fe166f13053ae4765c37a88bfd08c8f9235f4d.exe

Executes dropped EXE 2 IoCs

pid	Process
4460	otdel.exe
2072	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
2680	sc.exe
2444	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	30cb3108c3ddc94267711231a6fe166f13053ae4765c37a88bfd08c8f9235f4d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	otdel.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	30cb3108c3ddc94267711231a6fe166f13053ae4765c37a88bfd08c8f9235f4d.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4460	otdel.exe
4460	otdel.exe
2128	openwith.exe
2128	openwith.exe
2128	openwith.exe
2128	openwith.exe
2072	withrobot.exe
2072	withrobot.exe
2072	withrobot.exe
368	powershell.exe
368	powershell.exe
2072	withrobot.exe
2072	withrobot.exe
2072	withrobot.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	368	powershell.exe
Token: SeDebugPrivilege	2072	withrobot.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 4460	2388	30cb3108c3ddc94267711231a6fe166f13053ae4765c37a88bfd08c8f9235f4d.exe	82
PID 2388 wrote to memory of 4460	2388	30cb3108c3ddc94267711231a6fe166f13053ae4765c37a88bfd08c8f9235f4d.exe	82
PID 2388 wrote to memory of 4460	2388	30cb3108c3ddc94267711231a6fe166f13053ae4765c37a88bfd08c8f9235f4d.exe	82
PID 2388 wrote to memory of 2072	2388	30cb3108c3ddc94267711231a6fe166f13053ae4765c37a88bfd08c8f9235f4d.exe	83
PID 2388 wrote to memory of 2072	2388	30cb3108c3ddc94267711231a6fe166f13053ae4765c37a88bfd08c8f9235f4d.exe	83
PID 4460 wrote to memory of 2128	4460	otdel.exe	84
PID 4460 wrote to memory of 2128	4460	otdel.exe	84
PID 4460 wrote to memory of 2128	4460	otdel.exe	84
PID 4460 wrote to memory of 2128	4460	otdel.exe	84
PID 4460 wrote to memory of 2128	4460	otdel.exe	84
PID 3680 wrote to memory of 2288	3680	cmd.exe	98
PID 3680 wrote to memory of 2288	3680	cmd.exe	98

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2832
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2128

C:\Users\Admin\AppData\Local\Temp\30cb3108c3ddc94267711231a6fe166f13053ae4765c37a88bfd08c8f9235f4d.exe
"C:\Users\Admin\AppData\Local\Temp\30cb3108c3ddc94267711231a6fe166f13053ae4765c37a88bfd08c8f9235f4d.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Users\Admin\AppData\Roaming\otdel.exe
  "C:\Users\Admin\AppData\Roaming\otdel.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4460
- 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:2072
- - 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:368
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3680
  - - C:\Windows\system32\wusa.exe
      wusa /uninstall /kb:890830 /quiet /norestart
      4⤵
      PID:2288
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe delete "RuntimeBroker"
    3⤵
    - Launches sc.exe
    PID:2680
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe create "RuntimeBroker" binpath= "C:\ProgramData\RuntimeBroker.exe" start= "auto"
    3⤵
    - Launches sc.exe
    PID:2444

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_2ayzq4ci.iy4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
423KB

MD5
fd1ac3296444a3696dc4fc1373c7bca7

SHA1
93b2df42be82d79455dc1c0f0f850656ddd7e57a

SHA256
13ae645002224daa84b856fa7d53f3220392d6e284c98f3d8c7f310918dc87bc

SHA512
4bb9491b93b0024f8d22410af8b0e1469e1b09bb63727e8b74e3c3442a169311c7005508a26e38c41d0c8f1327e9f5f9003a7de13d7ba2ead6fb42487eb08c92

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

Filesize
14.8MB

MD5
02071fe1b9c8d6ade8dafa0a71600503

SHA1
5b547e72386e43c291bceea5b7d0e8f51469cd3c

SHA256
00c32e90c14f9c866a30256c8499e753397c7385e4a3fbcdc86515b9ee563faf

SHA512
1c4b1c1cb788f08dea954b795d4e0bbd7c028aa5655ce23af805243d06d1c96ef687b0788343182c1d0307e9c76088e4d53e4506e5a4f8d1707001e6549b487a

Download Submit
memory/368-141-0x00000257D5DA0000-0x00000257D5DC2000-memory.dmp

Filesize
136KB

Download
memory/2072-154-0x00007FF68F069000-0x00007FF68F703000-memory.dmp

Filesize
6.6MB

Download
memory/2072-140-0x00007FF68F069000-0x00007FF68F703000-memory.dmp

Filesize
6.6MB

Download
memory/2072-138-0x00007FF68E980000-0x00007FF6905D8000-memory.dmp

Filesize
28.3MB

Download
memory/2072-137-0x00007FFC4C5F0000-0x00007FFC4C5F2000-memory.dmp

Filesize
8KB

Download
memory/2072-136-0x00007FF68F069000-0x00007FF68F703000-memory.dmp

Filesize
6.6MB

Download
memory/2128-135-0x0000000077480000-0x0000000077695000-memory.dmp

Filesize
2.1MB

Download
memory/2128-132-0x00000000029F0000-0x0000000002DF0000-memory.dmp

Filesize
4.0MB

Download
memory/2128-133-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/2128-129-0x0000000000D60000-0x0000000000D69000-memory.dmp

Filesize
36KB

Download
memory/4460-126-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-125-0x0000000003AC0000-0x0000000003EC0000-memory.dmp

Filesize
4.0MB

Download
memory/4460-128-0x0000000077480000-0x0000000077695000-memory.dmp

Filesize
2.1MB

Download
memory/4460-130-0x0000000000820000-0x000000000089E000-memory.dmp

Filesize
504KB

Download
memory/4460-124-0x0000000003AC0000-0x0000000003EC0000-memory.dmp

Filesize
4.0MB

Download
memory/4460-123-0x0000000003AC0000-0x0000000003EC0000-memory.dmp

Filesize
4.0MB

Download
memory/4460-122-0x0000000003AC0000-0x0000000003EC0000-memory.dmp

Filesize
4.0MB

Download
memory/4460-60-0x0000000000820000-0x000000000089E000-memory.dmp

Filesize
504KB

Download

Analysis

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