4ff720081e48b0b82a9512703e1bb582890ef8039156dbb80b6bc32c84852a8e

Analysis

max time kernel
84s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15/09/2024, 06:06

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General

Target

46ea49a50450ed749d8b12f1839bfd60N.dll
Size

748KB
MD5

46ea49a50450ed749d8b12f1839bfd60
SHA1

e2c5e9609273e413ba639a6a644661fcc8bee744
SHA256

4ff720081e48b0b82a9512703e1bb582890ef8039156dbb80b6bc32c84852a8e
SHA512

453b120dd308cdf7dcc3ded70720acc5cb3172b3d463d661a809649c0d850adb0036400d01291a7ef7bc60bff7264e8927346798be7e0de52aed17a2f5c4d8a0
SSDEEP

12288:mcQHQv+3pNi3g5zkKf+tqddsN9DYuFuTO6tdFRq6xGJOpqBTG0jdh3W/e+:JKQ2a3grfRjsN9DY/7tdy0Gkp+GaE7

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

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

Modifies registry class 35 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\Programmable	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\VersionIndependentProgID\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}\1.0\FLAGS	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}\1.0\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}\1.0\FLAGS\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\TypeLib\ = "{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}\1.0\0\win32\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}\1.0\0\win32\ = "C:\\PROGRA~2\\MICROS~1\\Office14\\GROOVE.EXE\\59"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}\1.0\HELPDIR\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\InprocServer32\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\InprocServer32\ = "%ProgramFiles(x86)%\\Windows Sidebar\\wlsrvc.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}\1.0\ = "GrooveProductDependencyServicesAlpha"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\Version	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\Version\ = "1.0"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\ = "Isafiw Oliri"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}\1.0\0\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}\1.0\FLAGS\ = "4"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\VersionIndependentProgID\ = "wlsrvc.WLServices"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\ProgID	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\ProgID\ = "wlsrvc.WLServices.1"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}\1.0\HELPDIR	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}\1.0\0	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}\1.0\0\win32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\TypeLib	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\TypeLib\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\ProgID\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\Programmable\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\VersionIndependentProgID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0C7B34EC-1D88-DA3B-FB48-CA3EF579D46B}\1.0	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{243D7C31-9F53-492E-728A-DEC62AC5B591}\Version\	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 3028	2648	rundll32.exe	31
PID 2648 wrote to memory of 3028	2648	rundll32.exe	31
PID 2648 wrote to memory of 3028	2648	rundll32.exe	31
PID 2648 wrote to memory of 3028	2648	rundll32.exe	31
PID 2648 wrote to memory of 3028	2648	rundll32.exe	31
PID 2648 wrote to memory of 3028	2648	rundll32.exe	31
PID 2648 wrote to memory of 3028	2648	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\46ea49a50450ed749d8b12f1839bfd60N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\46ea49a50450ed749d8b12f1839bfd60N.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3028

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

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Downloads

memory/3028-0-0x0000000010000000-0x0000000010124000-memory.dmp

Filesize
1.1MB

Download
memory/3028-5-0x00000000100D7000-0x00000000100D8000-memory.dmp

Filesize
4KB

Download
memory/3028-4-0x0000000000250000-0x00000000002AA000-memory.dmp

Filesize
360KB

Download
memory/3028-3-0x0000000010000000-0x0000000010124000-memory.dmp

Filesize
1.1MB

Download
memory/3028-2-0x0000000010000000-0x0000000010124000-memory.dmp

Filesize
1.1MB

Download
memory/3028-1-0x0000000010000000-0x0000000010124000-memory.dmp

Filesize
1.1MB

Download
memory/3028-6-0x0000000010000000-0x0000000010124000-memory.dmp

Filesize
1.1MB

Download
memory/3028-18-0x00000000035C0000-0x00000000035C1000-memory.dmp

Filesize
4KB

Download
memory/3028-17-0x00000000035A0000-0x00000000035A1000-memory.dmp

Filesize
4KB

Download
memory/3028-16-0x0000000003610000-0x0000000003611000-memory.dmp

Filesize
4KB

Download
memory/3028-15-0x00000000035F0000-0x00000000035F1000-memory.dmp

Filesize
4KB

Download
memory/3028-14-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3028-13-0x0000000003400000-0x0000000003401000-memory.dmp

Filesize
4KB

Download
memory/3028-12-0x0000000003410000-0x0000000003411000-memory.dmp

Filesize
4KB

Download
memory/3028-11-0x00000000032F0000-0x00000000032F1000-memory.dmp

Filesize
4KB

Download
memory/3028-10-0x0000000003240000-0x0000000003241000-memory.dmp

Filesize
4KB

Download
memory/3028-9-0x0000000003140000-0x0000000003141000-memory.dmp

Filesize
4KB

Download
memory/3028-8-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3028-7-0x0000000010000000-0x0000000010124000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads