1370d22b331cfe37f0ec241a3555eb212019084087df695a2b3ffa7f6b77026e

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 19:32

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General

Target

Firefox/mozavcodec.dll
Size

1.5MB
MD5

3588c5e090b456cbecde7ff7793eb7e9
SHA1

51d518d4e6194a335d37d401ade284f9e77855b7
SHA256

c4e0c9473ec15a20cedf05099800a599a659fca2e8eaa9c7b01137e78cc771fb
SHA512

b5cc44da4ead7276ad1c065b042a4bf1fa450406a85d3f29cd9dd0a003ab4d732f6e970c3d4654d003338e9629531a72115d7df9cc2b7a616083d3b47d824062
SSDEEP

24576:WO64w77sWwWTn2cn/nQqSU2yKNHhhmbY8S5q2+Ny:56DTn2cZzihmb

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3056	4420	WerFault.exe	82

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 688 wrote to memory of 4420	688	rundll32.exe	82
PID 688 wrote to memory of 4420	688	rundll32.exe	82
PID 688 wrote to memory of 4420	688	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Firefox\mozavcodec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Firefox\mozavcodec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4420
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 604
    3⤵
    - Program crash
    PID:3056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4420 -ip 4420
1⤵
PID:3456

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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