5ea84f8f933017eb51519e628002909ba5dcf81a34830147ff2368a9d430496d

Analysis

max time kernel
136s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 15:30

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General

Target

$WINDIR/system32/atl71.dll
Size

87KB
MD5

79cb6457c81ada9eb7f2087ce799aaa7
SHA1

322ddde439d9254182f5945be8d97e9d897561ae
SHA256

a68e1297fae2bcf854b47ffa444f490353028de1fa2ca713b6cf6cc5aa22b88a
SHA512

eca4b91109d105b2ce8c40710b8e3309c4cc944194843b7930e06daf3d1df6ae85c1b7063036c7e5cd10276e5e5535b33e49930adbad88166228316283d011b8
SSDEEP

1536:kIlL9T5Xx1ogKMvw5Br7KLKLI+Xe+QnyH4Cc0tR6nGVp/VTbkE0DJ4ZwmroV:BtvBOI+FQny5R6nG//SdaZwms

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 4852 wrote to memory of 4008	4852	rundll32.exe	84
PID 4852 wrote to memory of 4008	4852	rundll32.exe	84
PID 4852 wrote to memory of 4008	4852	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$WINDIR\system32\atl71.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4852
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$WINDIR\system32\atl71.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4008

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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