0608199328a6a99f873f7ac2b24e3dae6360b7eb6d2126f65b9571fc20437c24

Analysis

max time kernel
137s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 07:27

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General

Target

$PLUGINSDIR/nsPrefsJs.dll
Size

169KB
MD5

947cf03bd51a4644cb8e59221485343e
SHA1

4edb9082cda4834f3b08a501e75e21a430197dca
SHA256

23e4665fa2ac4434aa623b8818d478fd7e30b3a9fcb7ee43027b4c1771082ef1
SHA512

6fad92247cbfdf623446f2b06671888d71f1cb23521e6de0fffb9fb56663d51e38946eb2958c2b5462f5bbb5ec999a6ab5ce5b0d46005b82f065863b187d8239
SSDEEP

3072:b9QQP5OJY09xV7P0mqWynqxezgMN/vj6r1rmiNVyqnmqwxBRQ:9OJY09DQtBqUzl3j6r1rJy8

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3884	2916	WerFault.exe	86

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 4592 wrote to memory of 2916	4592	rundll32.exe	86
PID 4592 wrote to memory of 2916	4592	rundll32.exe	86
PID 4592 wrote to memory of 2916	4592	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsPrefsJs.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4592
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsPrefsJs.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 600
    3⤵
    - Program crash
    PID:3884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2916 -ip 2916
1⤵
PID:3024

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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