6dba900ba4e73e88cf3d3a062f71735f30e615436d01aa96d18545e97d31a5a4

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 14:42

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General

Target

Nezur_Interface.exe.WebView2/EBWebView/BrowserMetrics-spare.pma
Size

1.2MB
MD5

1045bfd216ae1ae480dd0ef626f5ff39
SHA1

377e869bc123602e9b568816b76be600ed03dbd0
SHA256

439292e489a0a35e4a3a0fe304ea1a680337243fa53b135aa9310881e1d7e078
SHA512

f9f8fcc23fc084af69d7c9abb0ef72c4684ac8ddf7fa6b2028e2f19fd67435f28534c0cf5b17453dfe352437c777d6f71cfe1d6ad3542ad9d636263400908fd2
SSDEEP

3::

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-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2804	AcroRd32.exe
2804	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2240	2936	cmd.exe	31
PID 2936 wrote to memory of 2240	2936	cmd.exe	31
PID 2936 wrote to memory of 2240	2936	cmd.exe	31
PID 2240 wrote to memory of 2804	2240	rundll32.exe	33
PID 2240 wrote to memory of 2804	2240	rundll32.exe	33
PID 2240 wrote to memory of 2804	2240	rundll32.exe	33
PID 2240 wrote to memory of 2804	2240	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nezur_Interface.exe.WebView2\EBWebView\BrowserMetrics-spare.pma
1⤵
- Suspicious use of WriteProcessMemory
PID:2936
- 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-spare.pma
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2240
- - 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-spare.pma"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2804

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
9841501e8b6b3abe308eda14701ca980

SHA1
475f55ed9c5bae4950d6bff3d78718cf822c7238

SHA256
e385151a216221e73d74bd58b792cb0524884152475864e9fc1f28b56d51aeb3

SHA512
8a99303a209bf206b1401fcfaa9e74211b61f483da973bc02d405b6cbd46f78149d5669c2ae7efe9c34fee78c681ece3068cda8ae46f0344c0b0c01afd8b4915

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