03a38d4de7132a935a3d776fcfb0cf458bdef0ee3f544c25f9b546315fc66c48

Analysis

max time kernel
142s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 15:33

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General

Target

8f833a67164c441c989b861b86ec4e72.exe
Size

2.0MB
MD5

8f833a67164c441c989b861b86ec4e72
SHA1

2c0cabe9cf1ae8a66d0c15e8f66aebd7391710f4
SHA256

03a38d4de7132a935a3d776fcfb0cf458bdef0ee3f544c25f9b546315fc66c48
SHA512

07c034ffc8d334b6bf0fb88cb3137796457157f8bde6f57ca0ae5ed499337cf9b573c65749b4b298cc4c60d6c956670ff777b07ac7070405b240d307147746cc
SSDEEP

49152:oevLOCzg2G79RQ1bROiwIaC4njT1iXz7Shepx+6LST9u:onygfpRiROi1aC4njpOz7SAG6LI9u

Score

7^/10

bootkit persistence

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a000000012247-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2256	8f833a67164c441c989b861b86ec4e72.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	8f833a67164c441c989b861b86ec4e72.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	8f833a67164c441c989b861b86ec4e72.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2256	8f833a67164c441c989b861b86ec4e72.exe
2256	8f833a67164c441c989b861b86ec4e72.exe
2256	8f833a67164c441c989b861b86ec4e72.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	8f833a67164c441c989b861b86ec4e72.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2256	8f833a67164c441c989b861b86ec4e72.exe
2256	8f833a67164c441c989b861b86ec4e72.exe

C:\Users\Admin\AppData\Local\Temp\8f833a67164c441c989b861b86ec4e72.exe
"C:\Users\Admin\AppData\Local\Temp\8f833a67164c441c989b861b86ec4e72.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\V220080618.EPE

Filesize
488KB

MD5
f911db2a58f65c928c6476c7963c6a66

SHA1
4a457c0daf5557287ef3fa10085daf1b1d451132

SHA256
f45c16103eb275a1ebec159c021fe60fa42d0105535a995a7ddf9e8417ddb364

SHA512
2c1c04951aefb5352acccad7e8bf786113b59808f7ba79d904cabaac84d928d04e5f4c1cdc739630a1304ce065474d41a35ef38838e9058a6f6e6ee4e3550679

Download Submit
memory/2256-8-0x0000000003FA0000-0x0000000003FB0000-memory.dmp

Filesize
64KB

Download
memory/2256-2-0x0000000071120000-0x0000000071268000-memory.dmp

Filesize
1.3MB

Download
memory/2256-3-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2256-5-0x0000000000300000-0x0000000000310000-memory.dmp

Filesize
64KB

Download
memory/2256-6-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2256-0-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/2256-35-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/2256-36-0x0000000071120000-0x0000000071268000-memory.dmp

Filesize
1.3MB

Download
memory/2256-37-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2256-40-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2256-51-0x0000000071120000-0x0000000071268000-memory.dmp

Filesize
1.3MB

Download
memory/2256-53-0x0000000071120000-0x0000000071268000-memory.dmp

Filesize
1.3MB

Download
memory/2256-67-0x0000000071120000-0x0000000071268000-memory.dmp

Filesize
1.3MB

Download