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

Signatures

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1796 created 2508	1796	sdfgt.exe	42

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
4504	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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	699b82c9536a8f8718d686cd4b13027f.exe

Executes dropped EXE 2 IoCs

pid	Process
1796	sdfgt.exe
1472	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
3136	sc.exe
1072	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	openwith.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	699b82c9536a8f8718d686cd4b13027f.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1796	sdfgt.exe
1796	sdfgt.exe
5060	openwith.exe
5060	openwith.exe
1472	withrobot.exe
1472	withrobot.exe
5060	openwith.exe
5060	openwith.exe
1472	withrobot.exe
4504	powershell.exe
4504	powershell.exe
1472	withrobot.exe
1472	withrobot.exe
1472	withrobot.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4504	powershell.exe
Token: SeDebugPrivilege	1472	withrobot.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 1796	4264	699b82c9536a8f8718d686cd4b13027f.exe	82
PID 4264 wrote to memory of 1796	4264	699b82c9536a8f8718d686cd4b13027f.exe	82
PID 4264 wrote to memory of 1796	4264	699b82c9536a8f8718d686cd4b13027f.exe	82
PID 4264 wrote to memory of 1472	4264	699b82c9536a8f8718d686cd4b13027f.exe	83
PID 4264 wrote to memory of 1472	4264	699b82c9536a8f8718d686cd4b13027f.exe	83
PID 1796 wrote to memory of 5060	1796	sdfgt.exe	84
PID 1796 wrote to memory of 5060	1796	sdfgt.exe	84
PID 1796 wrote to memory of 5060	1796	sdfgt.exe	84
PID 1796 wrote to memory of 5060	1796	sdfgt.exe	84
PID 1796 wrote to memory of 5060	1796	sdfgt.exe	84
PID 736 wrote to memory of 1560	736	cmd.exe	100
PID 736 wrote to memory of 1560	736	cmd.exe	100

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2508
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:5060

C:\Users\Admin\AppData\Local\Temp\699b82c9536a8f8718d686cd4b13027f.exe
"C:\Users\Admin\AppData\Local\Temp\699b82c9536a8f8718d686cd4b13027f.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4264
- C:\Users\Admin\AppData\Roaming\sdfgt.exe
  "C:\Users\Admin\AppData\Roaming\sdfgt.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1796
- 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:1472
- - 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:4504
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:736
  - - C:\Windows\system32\wusa.exe
      wusa /uninstall /kb:890830 /quiet /norestart
      4⤵
      PID:1560
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe delete "RuntimeBroker"
    3⤵
    - Launches sc.exe
    PID:3136
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe create "RuntimeBroker" binpath= "C:\ProgramData\RuntimeBroker.exe" start= "auto"
    3⤵
    - Launches sc.exe
    PID:1072

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_fxonnh0t.vi5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
423KB

MD5
b8bf5beebfa1cf685e813973902bdf25

SHA1
55ca38cfb317da1926f39fa82ceb6c5b9a43b0b0

SHA256
741b85f17765f4f17c342195642a39a34c8274c01e436b97b4e9294538310fd4

SHA512
bef7e644150163450a8fdb1dce5123bab73942794a6b247c93a09b5e7e30d6f18c35607466ced2a6cb56a66cc5ffa3595e8e77d6e09a22eeb492eddd7729fc6f

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

Filesize
14.8MB

MD5
02071fe1b9c8d6ade8dafa0a71600503

SHA1
5b547e72386e43c291bceea5b7d0e8f51469cd3c

SHA256
00c32e90c14f9c866a30256c8499e753397c7385e4a3fbcdc86515b9ee563faf

SHA512
1c4b1c1cb788f08dea954b795d4e0bbd7c028aa5655ce23af805243d06d1c96ef687b0788343182c1d0307e9c76088e4d53e4506e5a4f8d1707001e6549b487a

Download Submit
memory/1472-154-0x00007FF682409000-0x00007FF682AA3000-memory.dmp

Filesize
6.6MB

Download
memory/1472-140-0x00007FF682409000-0x00007FF682AA3000-memory.dmp

Filesize
6.6MB

Download
memory/1472-138-0x00007FF681D20000-0x00007FF683978000-memory.dmp

Filesize
28.3MB

Download
memory/1472-137-0x00007FFF61030000-0x00007FFF61032000-memory.dmp

Filesize
8KB

Download
memory/1472-132-0x00007FF682409000-0x00007FF682AA3000-memory.dmp

Filesize
6.6MB

Download
memory/1796-133-0x0000000000730000-0x00000000007AE000-memory.dmp

Filesize
504KB

Download
memory/1796-126-0x0000000003C50000-0x0000000004050000-memory.dmp

Filesize
4.0MB

Download
memory/1796-125-0x00007FFF60E30000-0x00007FFF61025000-memory.dmp

Filesize
2.0MB

Download
memory/1796-128-0x0000000076FE0000-0x00000000771F5000-memory.dmp

Filesize
2.1MB

Download
memory/1796-123-0x0000000003C50000-0x0000000004050000-memory.dmp

Filesize
4.0MB

Download
memory/1796-124-0x0000000003C50000-0x0000000004050000-memory.dmp

Filesize
4.0MB

Download
memory/1796-122-0x0000000003C50000-0x0000000004050000-memory.dmp

Filesize
4.0MB

Download
memory/1796-60-0x0000000000730000-0x00000000007AE000-memory.dmp

Filesize
504KB

Download
memory/4504-141-0x00000179484C0000-0x00000179484E2000-memory.dmp

Filesize
136KB

Download
memory/5060-134-0x00007FFF60E30000-0x00007FFF61025000-memory.dmp

Filesize
2.0MB

Download
memory/5060-131-0x0000000002680000-0x0000000002A80000-memory.dmp

Filesize
4.0MB

Download
memory/5060-129-0x0000000000980000-0x0000000000989000-memory.dmp

Filesize
36KB

Download
memory/5060-136-0x0000000076FE0000-0x00000000771F5000-memory.dmp

Filesize
2.1MB

Download

Analysis

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