rhadamanthys | 0465e7a2189be75275b7ffa6fccbea59a4edb0bb3411137488a30427194725a6

General

Target

0465e7a2189be75275b7ffa6fccbea59a4edb0bb3411137488a30427194725a6.exe
Size

13.8MB
MD5

59528f2fe5b0f3fa8dc4b39552b13250
SHA1

aad3b825d26a11fd6100011708b5b8a1b4877f83
SHA256

0465e7a2189be75275b7ffa6fccbea59a4edb0bb3411137488a30427194725a6
SHA512

5be6a290a806475ec45b27d5487ec508b98fb8cc2abf14abc5a618f847555ddc0dce8b21d167625dabe828b11903336040fa91c08b9de9c7e7299fc6c7c82e17
SSDEEP

196608:s7WP+V6eGTQu75LbenTh5gOGCg+jCp5nzc74SLSbETVF4JnRXb+2IyVa1QSLr0fU:saWV6eGFtWFHxWbSnJFgtbIHfLr252tB

Score

10^/10

rhadamanthys discovery evasion execution persistence stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://83.217.208.134/9fcc2685c3ccafd/1gjc75ih.m8duc

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 3204 created 2656	3204	gssgsg.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
1888	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	0465e7a2189be75275b7ffa6fccbea59a4edb0bb3411137488a30427194725a6.exe

Executes dropped EXE 2 IoCs

pid	Process
3204	gssgsg.exe
2300	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
5112	sc.exe
3512	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	0465e7a2189be75275b7ffa6fccbea59a4edb0bb3411137488a30427194725a6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gssgsg.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\	0465e7a2189be75275b7ffa6fccbea59a4edb0bb3411137488a30427194725a6.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
3204	gssgsg.exe
3204	gssgsg.exe
4404	openwith.exe
4404	openwith.exe
4404	openwith.exe
4404	openwith.exe
2300	withrobot.exe
2300	withrobot.exe
2300	withrobot.exe
1888	powershell.exe
1888	powershell.exe
2300	withrobot.exe
2300	withrobot.exe
2300	withrobot.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1888	powershell.exe
Token: SeDebugPrivilege	2300	withrobot.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 3204	928	0465e7a2189be75275b7ffa6fccbea59a4edb0bb3411137488a30427194725a6.exe	83
PID 928 wrote to memory of 3204	928	0465e7a2189be75275b7ffa6fccbea59a4edb0bb3411137488a30427194725a6.exe	83
PID 928 wrote to memory of 3204	928	0465e7a2189be75275b7ffa6fccbea59a4edb0bb3411137488a30427194725a6.exe	83
PID 928 wrote to memory of 2300	928	0465e7a2189be75275b7ffa6fccbea59a4edb0bb3411137488a30427194725a6.exe	84
PID 928 wrote to memory of 2300	928	0465e7a2189be75275b7ffa6fccbea59a4edb0bb3411137488a30427194725a6.exe	84
PID 3204 wrote to memory of 4404	3204	gssgsg.exe	85
PID 3204 wrote to memory of 4404	3204	gssgsg.exe	85
PID 3204 wrote to memory of 4404	3204	gssgsg.exe	85
PID 3204 wrote to memory of 4404	3204	gssgsg.exe	85
PID 3204 wrote to memory of 4404	3204	gssgsg.exe	85
PID 1292 wrote to memory of 2828	1292	cmd.exe	106
PID 1292 wrote to memory of 2828	1292	cmd.exe	106

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2656
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4404

C:\Users\Admin\AppData\Local\Temp\0465e7a2189be75275b7ffa6fccbea59a4edb0bb3411137488a30427194725a6.exe
"C:\Users\Admin\AppData\Local\Temp\0465e7a2189be75275b7ffa6fccbea59a4edb0bb3411137488a30427194725a6.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:928
- C:\Users\Admin\AppData\Roaming\gssgsg.exe
  "C:\Users\Admin\AppData\Roaming\gssgsg.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3204
- 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:2300
- - 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:1888
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1292
  - - C:\Windows\system32\wusa.exe
      wusa /uninstall /kb:890830 /quiet /norestart
      4⤵
      PID:2828
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe delete "RuntimeBroker"
    3⤵
    - Launches sc.exe
    PID:5112
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe create "RuntimeBroker" binpath= "C:\ProgramData\RuntimeBroker.exe" start= "auto"
    3⤵
    - Launches sc.exe
    PID:3512

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_0jiwcdbm.y1f.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
423KB

MD5
da861aca3a436392e0fcb1a1b5135727

SHA1
69d97208285a41cd9c3d6228ad1edc634cc3df0a

SHA256
bc57668066ddb1ec774e502213af0b10c23d4a1f409199109617e750784c8410

SHA512
7d0ff69678b337dce46fbb7e54f602e365bc4d9ba93c24b1dba5aee6a6040a410cefe66679ed8fb2e8cf633a1a72e37d2daf8005dfe54289ba5948e55d574957

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

Filesize
14.8MB

MD5
02071fe1b9c8d6ade8dafa0a71600503

SHA1
5b547e72386e43c291bceea5b7d0e8f51469cd3c

SHA256
00c32e90c14f9c866a30256c8499e753397c7385e4a3fbcdc86515b9ee563faf

SHA512
1c4b1c1cb788f08dea954b795d4e0bbd7c028aa5655ce23af805243d06d1c96ef687b0788343182c1d0307e9c76088e4d53e4506e5a4f8d1707001e6549b487a

Download Submit
memory/1888-150-0x00000248AADC0000-0x00000248AADE2000-memory.dmp

Filesize
136KB

Download
memory/2300-136-0x00007FF7AE679000-0x00007FF7AED13000-memory.dmp

Filesize
6.6MB

Download
memory/2300-154-0x00007FF7AE679000-0x00007FF7AED13000-memory.dmp

Filesize
6.6MB

Download
memory/2300-140-0x00007FF7AE679000-0x00007FF7AED13000-memory.dmp

Filesize
6.6MB

Download
memory/2300-138-0x00007FF7ADF90000-0x00007FF7AFBE8000-memory.dmp

Filesize
28.3MB

Download
memory/2300-137-0x00007FF9F7D50000-0x00007FF9F7D52000-memory.dmp

Filesize
8KB

Download
memory/3204-126-0x0000000003820000-0x0000000003C20000-memory.dmp

Filesize
4.0MB

Download
memory/3204-130-0x0000000000550000-0x00000000005CE000-memory.dmp

Filesize
504KB

Download
memory/3204-128-0x0000000075680000-0x0000000075895000-memory.dmp

Filesize
2.1MB

Download
memory/3204-124-0x0000000003820000-0x0000000003C20000-memory.dmp

Filesize
4.0MB

Download
memory/3204-125-0x00007FF9F7B50000-0x00007FF9F7D45000-memory.dmp

Filesize
2.0MB

Download
memory/3204-122-0x0000000003820000-0x0000000003C20000-memory.dmp

Filesize
4.0MB

Download
memory/3204-123-0x0000000003820000-0x0000000003C20000-memory.dmp

Filesize
4.0MB

Download
memory/3204-60-0x0000000000550000-0x00000000005CE000-memory.dmp

Filesize
504KB

Download
memory/4404-129-0x0000000001280000-0x0000000001289000-memory.dmp

Filesize
36KB

Download
memory/4404-135-0x0000000075680000-0x0000000075895000-memory.dmp

Filesize
2.1MB

Download
memory/4404-133-0x00007FF9F7B50000-0x00007FF9F7D45000-memory.dmp

Filesize
2.0MB

Download
memory/4404-132-0x0000000002E10000-0x0000000003210000-memory.dmp

Filesize
4.0MB

Download

Analysis

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