34a78a55d43cb24661fa504c520a6ebadd570ac2ac5b2df41b33f7a66ad08d9f

Analysis

max time kernel
137s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29-02-2024 07:37

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General

Target

34a78a55d43cb24661fa504c520a6ebadd570ac2ac5b2df41b33f7a66ad08d9f.exe
Size

3.0MB
MD5

115cfedfc9b4a6639f74395e73b53c6e
SHA1

84c1cac454b003bb9b2f7758c8000021f384ced3
SHA256

34a78a55d43cb24661fa504c520a6ebadd570ac2ac5b2df41b33f7a66ad08d9f
SHA512

e38b0fb6b9fa9d579da10332f5b2eda07f42021fd08e5e4afe6763a7c1df2b2eb22f9f1314dd35d6b5f0b153da8abeee7cd6f07f76065a64e3860714326bea72
SSDEEP

24576:dwA7XDxCyXvdCiBlqbTwHKdCu1Dl33wb1ajC4Ky3xyuTfVHlnrZs:dwGDx1lOT4KdCuDHwb0X3nDT+

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	34a78a55d43cb24661fa504c520a6ebadd570ac2ac5b2df41b33f7a66ad08d9f.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	34a78a55d43cb24661fa504c520a6ebadd570ac2ac5b2df41b33f7a66ad08d9f.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\checkwritepermissions.exe	34a78a55d43cb24661fa504c520a6ebadd570ac2ac5b2df41b33f7a66ad08d9f.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	34a78a55d43cb24661fa504c520a6ebadd570ac2ac5b2df41b33f7a66ad08d9f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	34a78a55d43cb24661fa504c520a6ebadd570ac2ac5b2df41b33f7a66ad08d9f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	34a78a55d43cb24661fa504c520a6ebadd570ac2ac5b2df41b33f7a66ad08d9f.exe

C:\Users\Admin\AppData\Local\Temp\34a78a55d43cb24661fa504c520a6ebadd570ac2ac5b2df41b33f7a66ad08d9f.exe
"C:\Users\Admin\AppData\Local\Temp\34a78a55d43cb24661fa504c520a6ebadd570ac2ac5b2df41b33f7a66ad08d9f.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
PID:4584

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

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Downloads

memory/4584-0-0x0000000000B40000-0x0000000000E5F000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads