878ca7e3fb7a90a937afdbe080c055877b4c6334a9589d27e092fd6737a0716f

Analysis

max time kernel
149s
max time network
154s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
31/01/2025, 11:34 UTC

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General

Target

$PLUGINSDIR/nsisFirewallW.dll
Size

8KB
MD5

f5bf81a102de52a4add21b8a367e54e0
SHA1

cf1e76ffe4a3ecd4dad453112afd33624f16751c
SHA256

53be5716ad80945cb99681d5dbda60492f5dfb206fbfdb776b769b3eeb18d2c2
SHA512

6e280a75f706474ad31b2ce770fa34f54cb598528fac4477c466200a608b79c0f9b84011545595d9ba94331ad08e2f51bd42de91f92379db27686a28ba351256
SSDEEP

96:8SMPv+eLDUDp+weLv2lstU+0IgNB2Aa20kdArfOwJKbFrMiRsuHdRYL:wnxLDUwp6sgN2RDrzJMMmsuYL

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4520	840	WerFault.exe	77

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 840	1016	rundll32.exe	77
PID 1016 wrote to memory of 840	1016	rundll32.exe	77
PID 1016 wrote to memory of 840	1016	rundll32.exe	77

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisFirewallW.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisFirewallW.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 460
    3⤵
    - Program crash
    PID:4520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 840 -ip 840
1⤵
PID:3432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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