fafbe4af1366a18fb15be35afa7db39ded10c6a5188c290ffe794e0ae1aed05e

Analysis

max time kernel
96s
max time network
145s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
25-11-2024 06:00

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General

Target

UpdateClient.dll
Size

64KB
MD5

760f24f0150a6e8dc15ac793c3172387
SHA1

920d5aafb4b460efc37b99564bd281e63c7eb647
SHA256

e113f8593244c1bb5bcc73fef0f93303c783714162cbd9ef93ddff5709c037ce
SHA512

e5251075164f9cdb154b0b5bf7b775c9720b0744d004b68ce6501a980342f45398505bc26f7cca982bd23a03609b3c78510a5778a93041e7614e17b369a7209f
SSDEEP

1536:DyvHa8En7WFlzobIrmKD8owRaggg5TIcO3YDmj7Hx4:DyvHa8EnKFqKD8aK0jj6

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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 3412 wrote to memory of 5084	3412	rundll32.exe	79
PID 3412 wrote to memory of 5084	3412	rundll32.exe	79
PID 3412 wrote to memory of 5084	3412	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UpdateClient.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3412
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\UpdateClient.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5084

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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