a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-05-2024 16:03

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General

Target

a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe
Size

9.8MB
MD5

247b3eb9ce317ea888426f8971dbae0e
SHA1

469bad6df7387eacbadd25b84892c89d61e76f8c
SHA256

a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51
SHA512

589a3a28ebb56c1384491242845e884620769483c5f44f4756275d284ce2c581c30c116cd514f9bf416fc5987d6f03c6a26f15189b9093dabc2783325b162109
SSDEEP

196608:mtWofdT+Itml0MnhJ/Ko1TIpeZvIhD0DYeBb97Hvng8v/KDpzO/JWPtAWyyuH:9ofd6EmlDnhUo10WDnZPVv/KpO/JgtAr

Score

7^/10

bootkit persistence

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe

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

Processes:

a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe

description ioc process

File opened for modification \??\PhysicalDrive0 a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe

Drops file in Program Files directory 2 IoCs

Processes:

a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe

description	ioc	process
File opened for modification	C:\Program Files\drmsoft\	a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe
File opened for modification	C:\Program Files\drmsoft	a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBIOSDate	a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe

Modifies Control Panel 3 IoCs

evasion

Processes:

a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\International\sShortDate = "yyyy-MM-dd"	a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\International\iDate = "2"	a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\International\sDate = "-"	a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe

pid process

2172 a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe

pid	process
2172	a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe
2172	a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe

C:\Users\Admin\AppData\Local\Temp\a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe
"C:\Users\Admin\AppData\Local\Temp\a6ba8e1708cc4a769c357aba35c6f02dff20ff4c2868384c752d1332998a7c51.exe"
1⤵
- Checks BIOS information in registry
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Enumerates system info in registry
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2172

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2172-0-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2172-1-0x0000000000400000-0x000000000055B000-memory.dmp

Filesize
1.4MB

Download
memory/2172-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads