4c3d790cd1d2d9da3fd730a36749a2f243b81bcf07b7996da644b58cd0196f86

Analysis

max time kernel
117s
max time network
123s
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

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General

Target

Nezur_Interface.exe.WebView2/EBWebView/BrowserMetrics/BrowserMetrics-66DF9A3F-707C.pma
Size

1.2MB
MD5

9b37de479b5376ffc3722ffdeb49631f
SHA1

95547905366d95a5ca92f31ad850a0ba3bded9fd
SHA256

d1ad5c7a8c0802bb45de4cba6620bab00c6e780e48e45366ad4c46cfad284de9
SHA512

9a0f171a5bd0437e1b5f03c216dba6a85b581a6781382c055eee402856cfd445bab68c932d1ebe841d6831adc575201a538e406d84441e3fa3e43a1c1d0e9ebe
SSDEEP

6144:PjbN56EaH7M4ivD0/JpopuhNLfSm7YSJi:l56nbUS5Hb

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-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pma_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\.pma	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\.pma\ = "pma_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pma_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pma_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pma_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pma_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pma_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2784	2152	cmd.exe	31
PID 2152 wrote to memory of 2784	2152	cmd.exe	31
PID 2152 wrote to memory of 2784	2152	cmd.exe	31
PID 2784 wrote to memory of 2740	2784	rundll32.exe	32
PID 2784 wrote to memory of 2740	2784	rundll32.exe	32
PID 2784 wrote to memory of 2740	2784	rundll32.exe	32
PID 2784 wrote to memory of 2740	2784	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nezur_Interface.exe.WebView2\EBWebView\BrowserMetrics\BrowserMetrics-66DF9A3F-707C.pma
1⤵
- Suspicious use of WriteProcessMemory
PID:2152
- 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-66DF9A3F-707C.pma
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2784
- - 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-66DF9A3F-707C.pma"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2740

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
be7fd79a8527389515cc7b0d829383aa

SHA1
7d4502c22fb1b8b9dc2ba46df97954e2dbea53b1

SHA256
7db5e4f2a71fbb5a3a81f47da98a9fe700a8837c84b19582ff46394fe115cc74

SHA512
7457e5db55d4e7f7737abcf95b7bfe9631c8bbfa4ee0bbaf79495e662e0e69d0b094277f425278b2cad0bdae96ffa7e88cd5cde488a5224d26ef33873eb0543b

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