706b58e93552b34d59506662ee14ad2db86b6fa2ac9fedf0dfdcf235542ef11d

Analysis

max time kernel
93s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 13:04

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General

Target

CnCalendar.dll
Size

256KB
MD5

e06c35b7fae3530a6ed79a952216f9bd
SHA1

14b705aad752c944df2c836ff8411c93c23c0359
SHA256

c2706d85fa31998ca4d7b75e4e72d43ee0b983db35b9a681408001fe51a673ec
SHA512

958548d66a5c2c155f852377c0d3a91b352e04044bddc2b821f793160f27ba84c71f910c0bd39219584f84d0b7979e13fc3b42178f75db6f8dcd71693cef0954
SSDEEP

3072:1xe5UhVXcKOoEOXs2abaxkDUAi2lAGkN3IJo5LqbMpZyZd+dQzErzi4w5gQ2:yjKOoF82abgg1/pkr+MptdQzaIe

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 2428 wrote to memory of 2636	2428	rundll32.exe	82
PID 2428 wrote to memory of 2636	2428	rundll32.exe	82
PID 2428 wrote to memory of 2636	2428	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CnCalendar.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\CnCalendar.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2636

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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