fa4f6da9ea8aca025d129328ce57b36343a1bc8796d1846d02157d2242f904a8

Analysis

max time kernel
141s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19/11/2024, 19:35

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General

Target

ring.exe
Size

16.7MB
MD5

dec85de31c5a9e3754ab0fcfed8a3e79
SHA1

b47c8f4918518f1538842b5b12bc5dcbea5c3d59
SHA256

fa4f6da9ea8aca025d129328ce57b36343a1bc8796d1846d02157d2242f904a8
SHA512

34831ff6c2571f0354bd5958a036a0030c85cab0c6dcb47c881cb366a47adf20741d6a473be369c20a1535fde380f0be6bc53c5edb96d4729a92d4bbf47bf0aa
SSDEEP

49152:3h+ZMbgw1VoIj5CSYS9o9IpHiYXcaXoMx+q2zAkcq085zXnCC7CWRUFGwhnb1b:3h+ZYD5DXc6oMx7CAkL0iz3T8T1b

Score

8^/10

discovery execution persistence

Malware Config

Signatures

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
2656	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinSesp = "C:\\Users\\Admin\\AppData\\Roaming\\Win_34417\\ring.exe"	ring.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	api64.ipify.org

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ring.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2656	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2256	ring.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2656	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2116	2256	ring.exe	30
PID 2256 wrote to memory of 2116	2256	ring.exe	30
PID 2256 wrote to memory of 2116	2256	ring.exe	30
PID 2256 wrote to memory of 2116	2256	ring.exe	30
PID 2116 wrote to memory of 2656	2116	cmd.exe	32
PID 2116 wrote to memory of 2656	2116	cmd.exe	32
PID 2116 wrote to memory of 2656	2116	cmd.exe	32
PID 2116 wrote to memory of 2656	2116	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\ring.exe
"C:\Users\Admin\AppData\Local\Temp\ring.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Win_34417\ring.exe'"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2116
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Win_34417\ring.exe'"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2256-0-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2256-7-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2256-6-0x00000000012E0000-0x000000000239C000-memory.dmp

Filesize
16.7MB

Download