aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8

Analysis

max time kernel
174s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2023 18:08

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General

Target

aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8.exe
Size

11.6MB
MD5

a755282bcd1d18c740f57f3c0d5f75b5
SHA1

3e40b366b99b85c357ec1e18f6c2180fa0b52414
SHA256

aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8
SHA512

84385e7a10ab8c623badfb7fa63e9109dbe90a0870501d11c59ed0e88a65727982c699ed2702a06eeffc560471429c77dde4d7e7a89959e340e8ddf5c737c673
SSDEEP

196608:ltpHEGZla4YxmDuStYKQM4e1upVcZvQfffHQVWXFQ4T3kniKJzV/k6Mp48ehM:lthdsmiKue14VcZvyQVWXFQjniKJzV/A

Score

7^/10

bootkit persistence upx vmprotect

Malware Config

Signatures

UPX packed file 27 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2940-12-0x0000000003EB0000-0x0000000003EBB000-memory.dmp	upx
behavioral2/memory/2940-13-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-15-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-14-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-18-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-16-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-21-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-24-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-27-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-30-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-32-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-34-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-36-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-40-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-42-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-44-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-45-0x0000000003EB0000-0x0000000003EBB000-memory.dmp	upx
behavioral2/memory/2940-47-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-49-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-51-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-53-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-55-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-57-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-59-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-61-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-63-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2940-65-0x0000000010000000-0x000000001003E000-memory.dmp	upx

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/2940-6-0x0000000000400000-0x0000000001F2C000-memory.dmp	vmprotect
behavioral2/memory/2940-37-0x0000000000400000-0x0000000001F2C000-memory.dmp	vmprotect
behavioral2/memory/2940-78-0x0000000000400000-0x0000000001F2C000-memory.dmp	vmprotect

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	aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2940	aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8.exe
2940	aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8.exe
2940	aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8.exe
2940	aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2940	aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8.exe
2940	aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8.exe
2940	aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8.exe

C:\Users\Admin\AppData\Local\Temp\aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8.exe
"C:\Users\Admin\AppData\Local\Temp\aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2940

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2940-0-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/2940-1-0x0000000002110000-0x0000000002111000-memory.dmp

Filesize
4KB

Download
memory/2940-2-0x0000000002120000-0x0000000002121000-memory.dmp

Filesize
4KB

Download
memory/2940-3-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/2940-4-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2940-6-0x0000000000400000-0x0000000001F2C000-memory.dmp

Filesize
27.2MB

Download
memory/2940-5-0x0000000003E10000-0x0000000003E11000-memory.dmp

Filesize
4KB

Download
memory/2940-7-0x0000000003E20000-0x0000000003E21000-memory.dmp

Filesize
4KB

Download
memory/2940-12-0x0000000003EB0000-0x0000000003EBB000-memory.dmp

Filesize
44KB

Download
memory/2940-13-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-15-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-14-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-18-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-16-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-21-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-24-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-27-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-30-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-32-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-34-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-36-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-37-0x0000000000400000-0x0000000001F2C000-memory.dmp

Filesize
27.2MB

Download
memory/2940-40-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-42-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-44-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-45-0x0000000003EB0000-0x0000000003EBB000-memory.dmp

Filesize
44KB

Download
memory/2940-47-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-49-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-51-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-53-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-55-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-57-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-59-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-61-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-63-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-64-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

Filesize
4KB

Download
memory/2940-65-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2940-66-0x0000000004250000-0x0000000004251000-memory.dmp

Filesize
4KB

Download
memory/2940-67-0x0000000004230000-0x0000000004231000-memory.dmp

Filesize
4KB

Download
memory/2940-68-0x0000000004240000-0x0000000004241000-memory.dmp

Filesize
4KB

Download
memory/2940-78-0x0000000000400000-0x0000000001F2C000-memory.dmp

Filesize
27.2MB

Download