79db93b9777271e0eb2c369d94f76d5eb22bddde48389aad20d672c1aaa5bcf7

Analysis

max time kernel
149s
max time network
147s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260513-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
30/05/2026, 16:53

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General

Target
Download Navigator/CoreSync/CRClient.dll
Size 1.2MB
Sample260530-vd57caas21
SHA256 79db93b9777271e0eb2c369d94f76d5eb22bddde48389aad20d672c1aaa5bcf7
MD5 e11264a135c0d5a41e50f4f039fd00a5
SHA1 e6901801edd4f97ef6297cc4966b499f314d3421
SHA512 bdf9597dbf9b374ed78571f9c1f1d25ac00e1fd3303ddef08c80a53fa11657d9cb6c323a6aae5469796f44c1840dc41b88c5a721c3a3cfc38451d91ac6b665f9
SSDEEP 24576:6o9kbjL52+HxRd+GYAx59TmZyyKXkbtolUDKOFcVkFVmCAdWRc+6bKdqhe:lSbZ2+RrBxHm1Z4Kc+F1kWRVqhe
TLSH
T15D557C22BBA58021F4DD12F152BA3FF65F6E7924373A44D792C06CA999305D33239B1B
MD5 SHA1 SHA512 SSDEEP TLSH

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 1 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 820	4736	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Download Navigator\CoreSync\CRClient.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Download Navigator\CoreSync\CRClient.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:820

Network

MITRE ATT&CK Enterprise v16

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 v16

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