1f5f42b47a20eb62f4ab352adffaf1839c41f988e695898dc107898ada336217

Analysis

max time kernel
92s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
12/06/2024, 06:13

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General

Target
1f5f42b47a20eb62f4ab352adffaf1839c41f988e695898dc107898ada336217.exe
Size 3.7MB
Sample240612-gy2srssfqa
SHA256 1f5f42b47a20eb62f4ab352adffaf1839c41f988e695898dc107898ada336217
MD5 4716128998814d6bc31ccc37fe281f54
SHA1 b8ef3003f7816bd106014d2ef0a4c7e3d1c9137b
SHA512 b93c08472600c0fbd91c4449dfefa433a82cb457f4258c2b1c31b294bf90a86c8dd83f3cb50a5f5870234f6ac144571780ec26e8c7eb3e07c545cdc4d907e446
SSDEEP 49152:48y4dlpxO9SVR1o5TLI8TnXlCuDHwb0X3nJZCtu:48y4dbxmWo5TLI6HQS5Utu
MD5 SHA1 SHA512 SSDEEP

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	1f5f42b47a20eb62f4ab352adffaf1839c41f988e695898dc107898ada336217.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	1f5f42b47a20eb62f4ab352adffaf1839c41f988e695898dc107898ada336217.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\checkwritepermissions.exe	1f5f42b47a20eb62f4ab352adffaf1839c41f988e695898dc107898ada336217.exe
File created	C:\Program Files\checkwritepermissions.exe	1f5f42b47a20eb62f4ab352adffaf1839c41f988e695898dc107898ada336217.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	1f5f42b47a20eb62f4ab352adffaf1839c41f988e695898dc107898ada336217.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	1f5f42b47a20eb62f4ab352adffaf1839c41f988e695898dc107898ada336217.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	1f5f42b47a20eb62f4ab352adffaf1839c41f988e695898dc107898ada336217.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	1f5f42b47a20eb62f4ab352adffaf1839c41f988e695898dc107898ada336217.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	1f5f42b47a20eb62f4ab352adffaf1839c41f988e695898dc107898ada336217.exe

C:\Users\Admin\AppData\Local\Temp\1f5f42b47a20eb62f4ab352adffaf1839c41f988e695898dc107898ada336217.exe
"C:\Users\Admin\AppData\Local\Temp\1f5f42b47a20eb62f4ab352adffaf1839c41f988e695898dc107898ada336217.exe"
1⤵
- Checks BIOS information in registry
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Checks processor information in registry
- Enumerates system info in registry
PID:1280

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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