303be7260ad8330508e98c77c51cc47c0c27a609f65b7aeff3444bf9f6062bd0

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 17:11

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General

Target

DayViewUIExtensionBridge.dll
Size

58KB
MD5

260269de6acbaa2cf9f8aa8c24f8874f
SHA1

1b80d857764d80282a0d1aa143c2cd0b33aca8e1
SHA256

fa7b61ce7a41feb36fbaa65cc4015204f725b8182a182c056d9fb577ee783168
SHA512

452a01de49dd53b9ef83477fca1a6b54a6dbf379a5d38d965941562b191bbdd6a37d8643066756fcaefaf9aba5415a2ce63ba512257c48895c3224ccc510e9ff
SSDEEP

768:ZCwIplAQkPeheXcViFebTuAdO+uSbMJ/QIBfnSn+0/O2/rkL3PY2B4lyQn437jf5:V+lNkPAxsJffSn+YiY2BX375b

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 7 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 1224	2872	rundll32.exe	28
PID 2872 wrote to memory of 1224	2872	rundll32.exe	28
PID 2872 wrote to memory of 1224	2872	rundll32.exe	28
PID 2872 wrote to memory of 1224	2872	rundll32.exe	28
PID 2872 wrote to memory of 1224	2872	rundll32.exe	28
PID 2872 wrote to memory of 1224	2872	rundll32.exe	28
PID 2872 wrote to memory of 1224	2872	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\DayViewUIExtensionBridge.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\DayViewUIExtensionBridge.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1224

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

Replay Monitor

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Downloads

memory/1224-0-0x00000000003F0000-0x0000000000430000-memory.dmp

Filesize
256KB

Download
memory/1224-1-0x00000000742FE000-0x00000000742FF000-memory.dmp

Filesize
4KB

Download
memory/1224-2-0x0000000000290000-0x00000000002A3000-memory.dmp

Filesize
76KB

Download
memory/1224-3-0x0000000074CF0000-0x0000000074D03000-memory.dmp

Filesize
76KB

Download