a62336567025f15d3680206d9f4e176c123c79c5fe602fdf6af164f87762bba9

Analysis

max time kernel
125s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2025 20:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bin/avutil-51.dll
Size

121KB
MD5

2a8b8a15a58edf3b443083ec29894e54
SHA1

b63a322d66472fbd2fb7723847af0f995bf9bf84
SHA256

84e6875f1869b8cfd73525f0c04f1bf2cf0d0d08b1226f62cfd44ff14fe0345d
SHA512

6209dc4e3ddfa585eea3cdb26fe1b731962be4a0e39b561de6d16451e48cfcf0459f474fab54f97babff87b969365895737f57d6a22c26b57cb3447230f0aaed
SSDEEP

3072:ifLOXurSBlfHfG2N1X5S4RvSCzdPV0VXkjf5dF:MElt3SsDdPVLjf5dF

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 3 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 4420	2532	rundll32.exe	82
PID 2532 wrote to memory of 4420	2532	rundll32.exe	82
PID 2532 wrote to memory of 4420	2532	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\avutil-51.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\avutil-51.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4420

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