a6f335ab1205129d868eb8e78044f32de08f64e8e7a89aa8f665e94035489c0b

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24-12-2023 16:36

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General

Target

060bc3f7bd16714e1a118f86e6c8cb86.dll
Size

150KB
MD5

060bc3f7bd16714e1a118f86e6c8cb86
SHA1

717fe04a709fa4e3057b31444410b2705864c384
SHA256

a6f335ab1205129d868eb8e78044f32de08f64e8e7a89aa8f665e94035489c0b
SHA512

b898d6e539e3cfd602ca1418f28095557aa8f4ec66608e6587a54f45fd57b144561af02e9e70b7d7b2483a396b11156c0d7dbbd1a57b3520550a56a7890229c6
SSDEEP

3072:9mr96HM0XUGXU2Fo21VEV5vLCcyq+F3ZqGGOLoDKnXkGKWo:9mLnV+EVRLCcyq+jqGGOLoKXkGKP

Score

6^/10

bootkit 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

Modifies registry class 35 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}\InprocServer32\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}\1.5\0\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}\1.5\0\win32\ = "%CommonProgramFiles%\\System\\msadc\\msadcf.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}\VersionIndependentProgID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\Help\\hxds.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}\ProgID\ = "HxDS.HxRegisterSession.1"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}\1.5	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}\1.5\0	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}\1.5\FLAGS	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}\1.5\FLAGS\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}\VersionIndependentProgID\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}\Programmable\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}\1.5\HELPDIR\ = "%CommonProgramFiles%\\System\\msadc"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}\1.5\ = "Microsoft Remote Data Services Server 6.0 Library"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}\1.5\HELPDIR\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}\TypeLib	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}\ = "Opokodvi.Cewoje Object"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}\InprocServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}\1.5\0\win32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}\1.5\0\win32\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}\TypeLib\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}\TypeLib\ = "{283563B9-5BCE-2FE2-F914-05EEBB26591D}"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}\ProgID\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}\Programmable	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}\1.5\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}\1.5\FLAGS\ = "0"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}\1.5\HELPDIR	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}\VersionIndependentProgID\ = "HxDS.HxRegisterSession"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{532257A0-A8A1-4194-458C-48A4CBE12444}\ProgID	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{283563B9-5BCE-2FE2-F914-05EEBB26591D}\	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 3068	2012	rundll32.exe	16
PID 2012 wrote to memory of 3068	2012	rundll32.exe	16
PID 2012 wrote to memory of 3068	2012	rundll32.exe	16
PID 2012 wrote to memory of 3068	2012	rundll32.exe	16
PID 2012 wrote to memory of 3068	2012	rundll32.exe	16
PID 2012 wrote to memory of 3068	2012	rundll32.exe	16
PID 2012 wrote to memory of 3068	2012	rundll32.exe	16

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\060bc3f7bd16714e1a118f86e6c8cb86.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\060bc3f7bd16714e1a118f86e6c8cb86.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Modifies registry class
  PID:3068

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3068-0-0x00000000744B0000-0x0000000074514000-memory.dmp

Filesize
400KB

Download
memory/3068-1-0x0000000074440000-0x00000000744A4000-memory.dmp

Filesize
400KB

Download
memory/3068-2-0x00000000744A0000-0x0000000074504000-memory.dmp

Filesize
400KB

Download
memory/3068-3-0x00000000744B0000-0x0000000074514000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads