300e11353b17644b5cd6f79d6577aeacb1fb427755667107262a380465bb15f5

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
06/09/2024, 22:00

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General

Target

310ab74df664c87a8a9a30e005d842d0N.exe
Size

4.7MB
MD5

310ab74df664c87a8a9a30e005d842d0
SHA1

1b64d8b9384752e31e4089471b48f186aa7c52b0
SHA256

300e11353b17644b5cd6f79d6577aeacb1fb427755667107262a380465bb15f5
SHA512

20757b0edd8d14dae38f9e0e374312c00ee26dae9d1d6416186e7e23a5f8170219edba1527b489027d8d42cacbac5a44ddfb5a51a1fb28c11b3b2a9e077c6641
SSDEEP

98304:TtJRVUec2HUbZ1cRS6YZhDgWehJ0xTQJ0d6KIs17QAsTtwvXeq9wwOGaw:TtRUp2H8Z1cRa2WehJ0x0J865sRQAsTK

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	310ab74df664c87a8a9a30e005d842d0N.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

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	310ab74df664c87a8a9a30e005d842d0N.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2324	310ab74df664c87a8a9a30e005d842d0N.exe
2324	310ab74df664c87a8a9a30e005d842d0N.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\checkwritepermissions.exe	310ab74df664c87a8a9a30e005d842d0N.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	310ab74df664c87a8a9a30e005d842d0N.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	310ab74df664c87a8a9a30e005d842d0N.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	310ab74df664c87a8a9a30e005d842d0N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	310ab74df664c87a8a9a30e005d842d0N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	310ab74df664c87a8a9a30e005d842d0N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2324	310ab74df664c87a8a9a30e005d842d0N.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2324	310ab74df664c87a8a9a30e005d842d0N.exe

C:\Users\Admin\AppData\Local\Temp\310ab74df664c87a8a9a30e005d842d0N.exe
"C:\Users\Admin\AppData\Local\Temp\310ab74df664c87a8a9a30e005d842d0N.exe"
1⤵
- Checks BIOS information in registry
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
PID:2324

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2324-0-0x0000000143B69000-0x0000000143D48000-memory.dmp

Filesize
1.9MB

Download
memory/2324-1-0x00000000773F0000-0x00000000773F2000-memory.dmp

Filesize
8KB

Download
memory/2324-5-0x00000000773F0000-0x00000000773F2000-memory.dmp

Filesize
8KB

Download
memory/2324-7-0x000000013FBA0000-0x0000000144363000-memory.dmp

Filesize
71.8MB

Download
memory/2324-3-0x00000000773F0000-0x00000000773F2000-memory.dmp

Filesize
8KB

Download
memory/2324-11-0x000000013FBA0000-0x0000000144363000-memory.dmp

Filesize
71.8MB

Download
memory/2324-12-0x0000000143B69000-0x0000000143D48000-memory.dmp

Filesize
1.9MB

Download
memory/2324-13-0x000000013FBA0000-0x0000000144363000-memory.dmp

Filesize
71.8MB

Download