4c3d790cd1d2d9da3fd730a36749a2f243b81bcf07b7996da644b58cd0196f86

Analysis

max time kernel
118s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 12:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

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

280B
MD5

4a926fa9dd210cf5a67b0db875312045
SHA1

605705863f2d295c20ab03c1703982b177805b3b
SHA256

2ec07e12fe2470b7f5fd0e6ad82161e0d49aaee76689c579b80c5bd9d7c6f18d
SHA512

7947157aa20ebe86780e53334dd10a6a22e7cfa6d92a3a44058fdae7aa5ce688099432929cf4b2b509075022892f9ea1563276426cc86e399980dbc4614f960c

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-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\.dat	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\.dat\ = "dat_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\dat_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\dat_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\dat_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\dat_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\dat_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\dat_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2600	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2600	AcroRd32.exe
2600	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2756	2228	cmd.exe	31
PID 2228 wrote to memory of 2756	2228	cmd.exe	31
PID 2228 wrote to memory of 2756	2228	cmd.exe	31
PID 2756 wrote to memory of 2600	2756	rundll32.exe	32
PID 2756 wrote to memory of 2600	2756	rundll32.exe	32
PID 2756 wrote to memory of 2600	2756	rundll32.exe	32
PID 2756 wrote to memory of 2600	2756	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nezur_Interface.exe.WebView2\EBWebView\Crashpad\settings.dat
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- 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\settings.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2756
- - 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\settings.dat"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2600

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

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
a5f8fc6a9582e97cf817fef4c7482766

SHA1
5d7aefce27fad4495dfcb040a2bd97839f5b84db

SHA256
dad4379aa8877a9ca02e315f81cd31c9719883365d833abd79533edfd845df0b

SHA512
03008852c25cc9f05d12ea1b658218e8ff8cc7e592516c472669dbc7037c8255ae643d969204d4bdff78ddbf53fa96ddf188820cdb4858eb09ef30df0c7faf9f

Download Submit