171f09e74ab03fdb4ee1588296f216820fb8fde118d1f7ff65610ef02b72fea8

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 18:55

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General

Target

Server.exe
Size

37KB
MD5

795b0a8aa2ac4a21877b1d607044398b
SHA1

1dff34c9fca1a0c5b3ebc4373d07a077d786ca57
SHA256

171f09e74ab03fdb4ee1588296f216820fb8fde118d1f7ff65610ef02b72fea8
SHA512

1a348f2b5bf84472bebaa3b2532ee04decb4447d8a712b8ebadd2452e168988e06b191916d1aa32c176aa5bab2a68952c6542e5f56f6167c85eefe44e8b25256
SSDEEP

384:JmQkkmSiUBFgdnP12ywjrlSxbPF08uCXTrAF+rMRTyN/0L+EcoinblneHQM3epz8:sQkki91twjrlSheFCjrM+rMRa8Nu0/t

Score

8^/10

discovery evasion persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

3580 netsh.exe

pid	process
3580	netsh.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

Processes:

netsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

Server.exenetsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

Server.exe

description	pid	process
Token: SeDebugPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe
Token: 33	4872	Server.exe
Token: SeIncBasePriorityPrivilege	4872	Server.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Server.exe

description	pid	process	target process
PID 4872 wrote to memory of 3580	4872	Server.exe	netsh.exe
PID 4872 wrote to memory of 3580	4872	Server.exe	netsh.exe
PID 4872 wrote to memory of 3580	4872	Server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4872
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:3580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

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/4872-0-0x0000000075552000-0x0000000075553000-memory.dmp

Filesize
4KB

Download
memory/4872-1-0x0000000075550000-0x0000000075B01000-memory.dmp

Filesize
5.7MB

Download
memory/4872-2-0x0000000075550000-0x0000000075B01000-memory.dmp

Filesize
5.7MB

Download
memory/4872-3-0x0000000075552000-0x0000000075553000-memory.dmp

Filesize
4KB

Download
memory/4872-4-0x0000000075550000-0x0000000075B01000-memory.dmp

Filesize
5.7MB

Download
memory/4872-5-0x0000000075550000-0x0000000075B01000-memory.dmp

Filesize
5.7MB

Download