7c4d18253a31342fcc83a7f7748ba843f6ee00bff18b9204a4e9c447919fc989

Analysis

max time kernel
148s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2024 08:49

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General

Target

acroiefavclient.dll
Size

315KB
MD5

a18fc1885b20c9cf35e6acf7ea2455f6
SHA1

3729826fbd57f0855b4388f6385f7eabbe2b0f77
SHA256

5f05d58efe2f80c2ad8d6ccddf960039b9cf7c00b35910b49f9117f7b4b81c1a
SHA512

ac52c73a7c8f93f59e0e53e54e694ffe6f57c1f90d7d082fc92ad1d4223c8e1216a1b7714f53eda462209eaf3973b4e2a9904560953e47d8f1b47ebb047b4f5c
SSDEEP

6144:4rxfnVEOtHIhbMMVzqz+wBC8JnNY2HXiLs4XA2D6X4GjrYeORUTHP:GfVl95MVzazNNUXXA2D6X4GjrYeORUTv

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

Processes:

regsvr32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 3832 wrote to memory of 3096	3832	regsvr32.exe	regsvr32.exe
PID 3832 wrote to memory of 3096	3832	regsvr32.exe	regsvr32.exe
PID 3832 wrote to memory of 3096	3832	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\acroiefavclient.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3832
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\acroiefavclient.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3096

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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