32ead3031a5353a81306fc376aa809946bbf9e9c22f2bff1359ba494f22691ea

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 20:30

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General

Target

32ead3031a5353a81306fc376aa809946bbf9e9c22f2bff1359ba494f22691ea.dll
Size

792KB
MD5

eba8df38ef6e47698d98f90ac14df686
SHA1

343e298b7cc0fa517f387b9044082a35cf5828e2
SHA256

32ead3031a5353a81306fc376aa809946bbf9e9c22f2bff1359ba494f22691ea
SHA512

095d7de85eb526822b0156ddfa9375a597a47878dd61d3b6431aec5c64fac9807f26a4b1625aba62441b659019d2b876591c1fcb39644d295a403d97efeb4e4d
SSDEEP

24576:L1f5sros/XBOceUaKKMgwNnAtdI0GkpRSDsIzFH:L5etcKKMgKAInMMDjzFH

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 37 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\Programmable	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\VersionIndependentProgID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\ProgID	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}\1.0\0\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}\1.0\FLAGS	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}\1.0\FLAGS\ = "0"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\ProgID\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}\1.0\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}\1.0\0	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}\1.0\HELPDIR\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\TypeLib\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\Version\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\InprocServer32\ = "C:\\Windows\\SysWOW64\\msvidctl.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}\1.0\ = "Groove Client 1.0 Type Library"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\Version	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\Implemented Categories\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}\1.0\0\win32\ = "C:\\PROGRA~2\\MICROS~1\\Office14\\GROOVE.EXE\\119"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\TypeLib	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\TypeLib\ = "{BACF339E-171B-503A-4B20-BE569D2FF685}"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\Version\ = "1.0"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\VersionIndependentProgID\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\ = "Exahak object"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\ProgID\ = "BDATuner.DigitalCableTuneRequest.1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}\1.0\0\win32\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}\1.0\FLAGS\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\VersionIndependentProgID\ = "BDATuner.DigitalCableTuneRequest"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\Implemented Categories	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\InprocServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}\1.0	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}\1.0\0\win32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}\1.0\HELPDIR	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\InprocServer32\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6F1B07E-3214-4715-30BA-F8475884F6AF}\Programmable\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BACF339E-171B-503A-4B20-BE569D2FF685}\	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2296	2488	rundll32.exe	30
PID 2488 wrote to memory of 2296	2488	rundll32.exe	30
PID 2488 wrote to memory of 2296	2488	rundll32.exe	30
PID 2488 wrote to memory of 2296	2488	rundll32.exe	30
PID 2488 wrote to memory of 2296	2488	rundll32.exe	30
PID 2488 wrote to memory of 2296	2488	rundll32.exe	30
PID 2488 wrote to memory of 2296	2488	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\32ead3031a5353a81306fc376aa809946bbf9e9c22f2bff1359ba494f22691ea.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\32ead3031a5353a81306fc376aa809946bbf9e9c22f2bff1359ba494f22691ea.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2296

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/2296-0-0x0000000010000000-0x000000001012F000-memory.dmp

Filesize
1.2MB

Download
memory/2296-4-0x00000000100E2000-0x00000000100E3000-memory.dmp

Filesize
4KB

Download
memory/2296-3-0x0000000000270000-0x00000000002CA000-memory.dmp

Filesize
360KB

Download
memory/2296-2-0x0000000010000000-0x000000001012F000-memory.dmp

Filesize
1.2MB

Download
memory/2296-1-0x0000000010000000-0x000000001012F000-memory.dmp

Filesize
1.2MB

Download
memory/2296-5-0x0000000010000000-0x000000001012F000-memory.dmp

Filesize
1.2MB

Download
memory/2296-6-0x0000000010000000-0x000000001012F000-memory.dmp

Filesize
1.2MB

Download
memory/2296-7-0x0000000010000000-0x000000001012F000-memory.dmp

Filesize
1.2MB

Download
memory/2296-34-0x00000000033B0000-0x00000000033B1000-memory.dmp

Filesize
4KB

Download
memory/2296-33-0x00000000033A0000-0x00000000033A1000-memory.dmp

Filesize
4KB

Download
memory/2296-32-0x0000000003370000-0x0000000003371000-memory.dmp

Filesize
4KB

Download
memory/2296-31-0x0000000003320000-0x0000000003321000-memory.dmp

Filesize
4KB

Download
memory/2296-30-0x0000000003330000-0x0000000003331000-memory.dmp

Filesize
4KB

Download
memory/2296-29-0x00000000032F0000-0x00000000032F1000-memory.dmp

Filesize
4KB

Download
memory/2296-28-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/2296-27-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/2296-26-0x0000000003230000-0x0000000003231000-memory.dmp

Filesize
4KB

Download
memory/2296-25-0x0000000003200000-0x0000000003201000-memory.dmp

Filesize
4KB

Download
memory/2296-24-0x0000000003210000-0x0000000003211000-memory.dmp

Filesize
4KB

Download
memory/2296-23-0x00000000031E0000-0x00000000031E1000-memory.dmp

Filesize
4KB

Download
memory/2296-22-0x00000000031F0000-0x00000000031F1000-memory.dmp

Filesize
4KB

Download
memory/2296-21-0x00000000030A0000-0x00000000030A1000-memory.dmp

Filesize
4KB

Download
memory/2296-20-0x00000000030B0000-0x00000000030B1000-memory.dmp

Filesize
4KB

Download
memory/2296-19-0x0000000003080000-0x0000000003081000-memory.dmp

Filesize
4KB

Download
memory/2296-18-0x0000000003060000-0x0000000003061000-memory.dmp

Filesize
4KB

Download
memory/2296-17-0x0000000003070000-0x0000000003071000-memory.dmp

Filesize
4KB

Download
memory/2296-16-0x0000000003050000-0x0000000003051000-memory.dmp

Filesize
4KB

Download
memory/2296-15-0x0000000003030000-0x0000000003031000-memory.dmp

Filesize
4KB

Download
memory/2296-14-0x0000000003000000-0x0000000003001000-memory.dmp

Filesize
4KB

Download
memory/2296-13-0x0000000003010000-0x0000000003011000-memory.dmp

Filesize
4KB

Download
memory/2296-12-0x0000000002FE0000-0x0000000002FE1000-memory.dmp

Filesize
4KB

Download
memory/2296-11-0x0000000002FF0000-0x0000000002FF1000-memory.dmp

Filesize
4KB

Download
memory/2296-10-0x0000000002FC0000-0x0000000002FC1000-memory.dmp

Filesize
4KB

Download
memory/2296-9-0x0000000002FD0000-0x0000000002FD1000-memory.dmp

Filesize
4KB

Download
memory/2296-8-0x0000000002FA0000-0x0000000002FA1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads