6dba900ba4e73e88cf3d3a062f71735f30e615436d01aa96d18545e97d31a5a4

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 14:42

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General

Target

Nezur_Interface.exe.WebView2/EBWebView/Crashpad/throttle_store.dat
Size

20B
MD5

9e4e94633b73f4a7680240a0ffd6cd2c
SHA1

e68e02453ce22736169a56fdb59043d33668368f
SHA256

41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
SHA512

193011a756b2368956c71a9a3ae8bc9537d99f52218f124b2e64545eeb5227861d372639052b74d0dd956cb33ca72a9107e069f1ef332b9645044849d14af337

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	AcroRd32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3060	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3060	AcroRd32.exe
3060	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 1708	2156	cmd.exe	31
PID 2156 wrote to memory of 1708	2156	cmd.exe	31
PID 2156 wrote to memory of 1708	2156	cmd.exe	31
PID 1708 wrote to memory of 3060	1708	rundll32.exe	32
PID 1708 wrote to memory of 3060	1708	rundll32.exe	32
PID 1708 wrote to memory of 3060	1708	rundll32.exe	32
PID 1708 wrote to memory of 3060	1708	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nezur_Interface.exe.WebView2\EBWebView\Crashpad\throttle_store.dat
1⤵
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Nezur_Interface.exe.WebView2\EBWebView\Crashpad\throttle_store.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1708
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Nezur_Interface.exe.WebView2\EBWebView\Crashpad\throttle_store.dat"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
8eb2b9ee569f35154c6810c20699a4b5

SHA1
e65a2392bcc2aee24bdc04432b570d1acf3c5901

SHA256
44d38d602a7bee3bc8d6453071d4ec837b33d52462659531cf23cc61692509b6

SHA512
b9ff247342d29fcb4c7b9437ef6443e7082482f5fb6a6578c5797389adef7c027a3bb4eea2a8fc78de4df8ff0375f1b84fafb6f0cefb31b1ca3eb748aec61ebd

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