bc89ef35f15c4ae4268961e8a8bc53a883afe23b3bf8e841a17499e0e9957b96

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/01/2025, 17:04

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
$PLUGINSDIR/nsBrowserOpt.dll
Size 346KB
Sample250121-vlsafstrgl
SHA256 3ecdf73e76df53fac77110170d203e4f27f5751a728b85732ee7269d96413162
MD5 2dd8fcef25c5238b7f03f39fc6288cde
SHA1 85c4e016f0a0fbb6b94026a5ac92b1ad7730c65d
SHA512 62ffe3745e16421d22e8e9be6329cb5ecef102012c0fe9bcfdaed5124fe9557700225af35d07381a9dc6e17fcc9b15a25aed6b95f6194bf793ba8a82062a6745
SSDEEP 6144:RSf8qGJH+sm9HOP3C6RUT8zrn5noK06HwVu2ge7eiTLg8862iZc1TBriH/acZo:0f8qGZ+smR03C6RUT8fn5i6HwVu2get0
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

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 7 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2348	2448	rundll32.exe	31
PID 2448 wrote to memory of 2348	2448	rundll32.exe	31
PID 2448 wrote to memory of 2348	2448	rundll32.exe	31
PID 2448 wrote to memory of 2348	2448	rundll32.exe	31
PID 2448 wrote to memory of 2348	2448	rundll32.exe	31
PID 2448 wrote to memory of 2348	2448	rundll32.exe	31
PID 2448 wrote to memory of 2348	2448	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsBrowserOpt.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsBrowserOpt.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2348

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

Replay Monitor

Loading Replay Monitor...

Downloads