1f8af397e46ca3a3af91872a4d6e49d21deff551be2b19f0fc085c646e4380e1

Analysis

max time kernel
89s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
10-09-2024 03:48

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General

Target

Net/plugin.dll
Size

106KB
MD5

45e41712b917d9925fb90d4409f45d43
SHA1

657c2512d3f8977a0fc7987f65023e246b3c947d
SHA256

a9175b9ec8f0d8b1f3fa714959fa39511f31edefe1e2ea903d4dfdde82d2eae1
SHA512

3123c01f926397eac9d2ef73e6ac80f0367a86a267cf404633141b947483df6bf6e256b265056e63e466cca09fbc8d54489b8ffffacb1363c700548a4022c960
SSDEEP

3072:v30w++daiGNey6y48xid/bJcM9iAOKoKbrvYT:f0NxMw54/DOKoR

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1876 664 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
1876	664	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2016 wrote to memory of 664	2016	rundll32.exe	rundll32.exe
PID 2016 wrote to memory of 664	2016	rundll32.exe	rundll32.exe
PID 2016 wrote to memory of 664	2016	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Net\plugin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Net\plugin.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:664
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 552
    3⤵
    - Program crash
    PID:1876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 664 -ip 664
1⤵
PID:1540

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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