4c3d790cd1d2d9da3fd730a36749a2f243b81bcf07b7996da644b58cd0196f86

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 12:54

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General

Target

Nezur_Interface.exe.WebView2/EBWebView/AutoLaunchProtocolsComponent/1.0.0.8/manifest.json
Size

134B
MD5

58d3ca1189df439d0538a75912496bcf
SHA1

99af5b6a006a6929cc08744d1b54e3623fec2f36
SHA256

a946db31a6a985bdb64ea9f403294b479571ca3c22215742bdc26ea1cf123437
SHA512

afd7f140e89472d4827156ec1c48da488b0d06daaa737351c7bec6bc12edfc4443460c4ac169287350934ca66fb2f883347ed8084c62caf9f883a736243194a2

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-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3024	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3024	AcroRd32.exe
3024	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 2896	2052	cmd.exe	29
PID 2052 wrote to memory of 2896	2052	cmd.exe	29
PID 2052 wrote to memory of 2896	2052	cmd.exe	29
PID 2896 wrote to memory of 3024	2896	rundll32.exe	30
PID 2896 wrote to memory of 3024	2896	rundll32.exe	30
PID 2896 wrote to memory of 3024	2896	rundll32.exe	30
PID 2896 wrote to memory of 3024	2896	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nezur_Interface.exe.WebView2\EBWebView\AutoLaunchProtocolsComponent\1.0.0.8\manifest.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2052
- 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\AutoLaunchProtocolsComponent\1.0.0.8\manifest.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2896
- - 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\AutoLaunchProtocolsComponent\1.0.0.8\manifest.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3024

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
455eb0c05f70a1258f99b833c486154d

SHA1
e8bf6a048eed6aea8b2c9f0c24d60c5b6cf8e735

SHA256
ba54b3c4c166c93b910a3ccce75e5324e3b8dc027dbbe82ecfd1ed0e7e2941fb

SHA512
9363498ee17b51b28a38e238db5f591bf75ec8263b73cb8755b0b84699665cf3c46df021ebca5303b328a62ef69e2deb2291aac86459635a3f5156a393a87033

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