161f251bcbf4e9d5c4e60e11cf6a89a6249a04aa187a595f28ae89f5a06e39a2

Analysis

max time kernel
93s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/01/2025, 14:49

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General

Target

setup/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 2000 wrote to memory of 604	2000	rundll32.exe	84
PID 2000 wrote to memory of 604	2000	rundll32.exe	84
PID 2000 wrote to memory of 604	2000	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\setup\avutil-51.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\setup\avutil-51.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:604

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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