313f287f730badacd93eca34def73ea262a91c2a1d420615dd04a85f51320012

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 10:12

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General

Target

313f287f730badacd93eca34def73ea262a91c2a1d420615dd04a85f51320012N.dll
Size

469KB
MD5

e45e529c7b21e3545cd755e667805ab0
SHA1

8ecdbb37a065e0fa2e0f8bd928fa27fa1fac2ab8
SHA256

313f287f730badacd93eca34def73ea262a91c2a1d420615dd04a85f51320012
SHA512

0ea56d188d3f3fd35f8aa9001f80550b60865d7fbdced8dd48bed168e5e6c5530e1ebe1ad2183bfdd535998e1207e9720606b9c58a8554e67037b54015b00e33
SSDEEP

12288:t6vDs+l3IKLz3xYsgtQolEf04AWTZ5EHTJuCjw4Ae:t6vnIKL7xYs0nEHAWTZutuC8G

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\12964744	rundll32.exe
File created	C:\Windows\SysWOW64\07a25	rundll32.exe

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	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2552	2416	rundll32.exe	30
PID 2416 wrote to memory of 2552	2416	rundll32.exe	30
PID 2416 wrote to memory of 2552	2416	rundll32.exe	30
PID 2416 wrote to memory of 2552	2416	rundll32.exe	30
PID 2416 wrote to memory of 2552	2416	rundll32.exe	30
PID 2416 wrote to memory of 2552	2416	rundll32.exe	30
PID 2416 wrote to memory of 2552	2416	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\313f287f730badacd93eca34def73ea262a91c2a1d420615dd04a85f51320012N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\313f287f730badacd93eca34def73ea262a91c2a1d420615dd04a85f51320012N.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads