575b3435debce773faf1403dc24e23d8133e8828ba57a0d680961a61bde1b435

Analysis

max time kernel
114s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
20/03/2025, 02:58

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General

Target

apt/SysWOW64/AcLayers.dll
Size

375KB
MD5

f6820b6b6be064da4491197ff765e8ba
SHA1

f6d31c9669f42acf794df7491fe8ff7e127dc720
SHA256

5e3fb129761d5969d772403644dd474b42842fc688ee5dad5696e83a2a115d15
SHA512

3172dad3072116ee5754079357d0385cdd980246a3998e4691db489d85702639f5480e7d72880ce370edcc97b7359eb3c5b5ec3a7798196290659c98a0354adc
SSDEEP

6144:V+4TsPmZMbi3FOzoABpZq4oVoB6dKAG3EA53RiARAA9N80sUYabLn3OWFWEef5Yf:Ah8+Zq4oeB6dpA6bUh3VFW3N1S

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4928	4192	WerFault.exe	85

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 3000 wrote to memory of 4192	3000	rundll32.exe	85
PID 3000 wrote to memory of 4192	3000	rundll32.exe	85
PID 3000 wrote to memory of 4192	3000	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\apt\SysWOW64\AcLayers.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\apt\SysWOW64\AcLayers.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4192
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 600
    3⤵
    - Program crash
    PID:4928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4192 -ip 4192
1⤵
PID:4900

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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