303be7260ad8330508e98c77c51cc47c0c27a609f65b7aeff3444bf9f6062bd0

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 17:11

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General

Target

DayViewUIExtensionCore.dll
Size

110KB
MD5

9c4ee9ab787948406ba5a46a9d88a319
SHA1

f85bdc4c45012af426e2b1b8a02c7de57dfbca50
SHA256

41566b12534e10ba7d607d8256ae66234ade6c90712e4547bf8912f418faa34b
SHA512

b2d42dd4dcfbefd31964aab7e48fa2fc4538ff0a6954e9a8d7a5f4a8eb2d977b5fe307f4e79d621fe96a40f53349c85c9e1b49299be48e626f80aaa6fe2e87c2
SSDEEP

1536:IMX4NBOlQHG/fq4UewnmeSG58dfBWFDmr6EygnKiiAmjOo/aYM6Nc5Jtw:IxcSetVfBaDmNTnKYmjOo9N

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 2608 wrote to memory of 4176	2608	rundll32.exe	85
PID 2608 wrote to memory of 4176	2608	rundll32.exe	85
PID 2608 wrote to memory of 4176	2608	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\DayViewUIExtensionCore.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2608
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\DayViewUIExtensionCore.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4176

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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