6474faab72a737266c233dfdb8417ea6e77140a769551970877ab7656a65ccc0

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 19:36

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General

Target

1777f001627b1061cc3fb2ff2b6ff140N.dll
Size

753KB
MD5

1777f001627b1061cc3fb2ff2b6ff140
SHA1

3b58bdec88b07effaabff793af5afbc6fae3891d
SHA256

6474faab72a737266c233dfdb8417ea6e77140a769551970877ab7656a65ccc0
SHA512

26790110a4c8ece27fe99053331b10df4e32dfb6bc9ab8b0de806921f5b2a709eab0754ad40a47914c2303460e751cf0edae121df7ab20b13ed36f4a21672206
SSDEEP

12288:1oMAwOrWpIRg8c9vYMEWIL6JVyfvrJlOXifG2JYkXCAA4DtdFXIq6xGJOpqUbHlN:1TOrY88YMVCTGvFkXpDtdP0GkpHjl5JN

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 33 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\ProgID\ = "SAPI.SpWaveFormatEx.1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}\1.0\0\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\VersionIndependentProgID\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\VersionIndependentProgID\ = "SAPI.SpWaveFormatEx"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\InprocServer32\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}\1.0\0	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}\1.0\0\win32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}\1.0\FLAGS	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}\1.0\HELPDIR	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\TypeLib\ = "{9BA275B7-9582-CBFD-8719-531C8AAF254A}"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\ = "Asihoq Qoneja Iwikkoq object"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\ProgID\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}\1.0\ = "GrooveToolContainerAlpha"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\Version\ = "5.4"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\ProgID	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\TypeLib\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\InprocServer32\ = "%SystemRoot%\\SysWow64\\Speech\\Common\\sapi.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}\1.0	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}\1.0\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}\1.0\FLAGS\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}\1.0\FLAGS\ = "4"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}\1.0\HELPDIR\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\VersionIndependentProgID	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}\1.0\0\win32\ = "C:\\PROGRA~2\\MICROS~1\\Office14\\GROOVE.EXE\\105"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\Version	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9BA275B7-9582-CBFD-8719-531C8AAF254A}\1.0\0\win32\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\TypeLib	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{84F62E1D-FD71-40C2-8690-EF7B54774376}\Version\	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1777f001627b1061cc3fb2ff2b6ff140N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1777f001627b1061cc3fb2ff2b6ff140N.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3020

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/3020-1-0x0000000010000000-0x0000000010125000-memory.dmp

Filesize
1.1MB

Download
memory/3020-0-0x0000000010000000-0x0000000010125000-memory.dmp

Filesize
1.1MB

Download
memory/3020-4-0x00000000100D7000-0x00000000100D8000-memory.dmp

Filesize
4KB

Download
memory/3020-3-0x00000000030E0000-0x00000000030E6000-memory.dmp

Filesize
24KB

Download
memory/3020-2-0x0000000000230000-0x000000000028A000-memory.dmp

Filesize
360KB

Download
memory/3020-5-0x0000000010000000-0x0000000010125000-memory.dmp

Filesize
1.1MB

Download
memory/3020-7-0x0000000003170000-0x0000000003171000-memory.dmp

Filesize
4KB

Download
memory/3020-6-0x0000000003140000-0x0000000003141000-memory.dmp

Filesize
4KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads