4c3d790cd1d2d9da3fd730a36749a2f243b81bcf07b7996da644b58cd0196f86

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 12:54

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General

Target

Nezur_Interface.exe.WebView2/EBWebView/BrowserMetrics/BrowserMetrics-66DF9B8F-861C.pma
Size

1.2MB
MD5

238daf174c6ed40b8eb3df1769305271
SHA1

f3baeba758b5ed726a98191cfa9435e36b37928d
SHA256

a2f2998803273a5177e7761d79534e37bbfef70af7ad5eaa7c4164da09c33f34
SHA512

68ae927f4e372c19ae776155403e05266c560f7b31a83e595c12ba90aeec5491a6dfc133f1b50d1bfe3c62d13cd6884fffbd3ff9b030731a9cb68aec8c02e6c1
SSDEEP

3072:pTWGxT/KbKTx3FphAg1HFZ8PF+ivHECHAP0eXaKToCQq:5BTp3F8aH7GNvHdsXzToCQq

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pma_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pma_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pma_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pma_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pma_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.pma	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.pma\ = "pma_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pma_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2820	2460	cmd.exe	32
PID 2460 wrote to memory of 2820	2460	cmd.exe	32
PID 2460 wrote to memory of 2820	2460	cmd.exe	32
PID 2820 wrote to memory of 2604	2820	rundll32.exe	33
PID 2820 wrote to memory of 2604	2820	rundll32.exe	33
PID 2820 wrote to memory of 2604	2820	rundll32.exe	33
PID 2820 wrote to memory of 2604	2820	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nezur_Interface.exe.WebView2\EBWebView\BrowserMetrics\BrowserMetrics-66DF9B8F-861C.pma
1⤵
- Suspicious use of WriteProcessMemory
PID:2460
- 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\BrowserMetrics\BrowserMetrics-66DF9B8F-861C.pma
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2820
- - 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\BrowserMetrics\BrowserMetrics-66DF9B8F-861C.pma"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2604

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

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Downloads

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

Filesize
3KB

MD5
de2b4392cc741525b487f4d4483c110c

SHA1
cf4b20bc9d5ad463192ad9636c3a4550cfc7b4b5

SHA256
b9e61b63f27eb2bea0bb226ebfdc1a7afdb632b14c2baa403d888aa76e2cb6b1

SHA512
8dfa453b57f8510823700d13b528b39a6fb4bbdb3bc49b9f41b37f478201836dda822c23e72f4e3425eb0d2f75b7d9a366356ed576daafba23e9b0dc42beb7f2

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