7c4d18253a31342fcc83a7f7748ba843f6ee00bff18b9204a4e9c447919fc989

Analysis

max time kernel
147s
max time network
154s
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

acroiefavstub.dll
Size

146KB
MD5

0fa736eb66d39091d104eb4e543eebd6
SHA1

35cd26d4ab15fcdbda0adaf7dbcadf7fb1d25ff5
SHA256

544bc7638fa46f8a4f4f5b9888cf1828be82e3c8e9340a7a702905736887a9f3
SHA512

98edf4fe7cc4908aecc24fc111e899b94f351f3a6fb32d26017e141caf12a7b98698572b72ee9d3d2ac650f4085be5a2ebdf9812e22854d31971f8a1c357e23f
SSDEEP

3072:bRpbGi4NGR6XdikCy0+eSH6GGD2KaPkZaIweqwgdD2N48l:/ai4QsBJuyKaPeaIweqG28l

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	Process	procid_target
PID 3776 wrote to memory of 4324	3776	regsvr32.exe	81
PID 3776 wrote to memory of 4324	3776	regsvr32.exe	81
PID 3776 wrote to memory of 4324	3776	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\acroiefavstub.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3776
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\acroiefavstub.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4324

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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