aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8

Analysis

max time kernel
121s
max time network
145s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-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 26 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2148-41-0x00000000002E0000-0x00000000002EB000-memory.dmp	upx
behavioral1/memory/2148-43-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-44-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-45-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-47-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-50-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-52-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-54-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-56-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-60-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-62-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-64-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-66-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-68-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-70-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-72-0x00000000002E0000-0x00000000002EB000-memory.dmp	upx
behavioral1/memory/2148-74-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-78-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-80-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-84-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-87-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-90-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-93-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-96-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-98-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2148-100-0x0000000010000000-0x000000001003E000-memory.dmp	upx

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/2148-5-0x0000000000400000-0x0000000001F2C000-memory.dmp	vmprotect
behavioral1/memory/2148-58-0x0000000000400000-0x0000000001F2C000-memory.dmp	vmprotect
behavioral1/memory/2148-116-0x0000000000400000-0x0000000001F2C000-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 2 IoCs

pid	Process
2148	aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8.exe
2148	aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2148	aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8.exe
2148	aef8fc0b5d4de254463b97eb6eba5290c912e737578206d9e06fdc5508844df8.exe
2148	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:2148

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/2148-0-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2148-2-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2148-5-0x0000000000400000-0x0000000001F2C000-memory.dmp

Filesize
27.2MB

Download
memory/2148-6-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2148-4-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2148-8-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2148-10-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2148-13-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2148-15-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2148-18-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2148-20-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2148-23-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2148-25-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2148-28-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2148-30-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2148-33-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2148-31-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2148-36-0x0000000076F70000-0x0000000076F71000-memory.dmp

Filesize
4KB

Download
memory/2148-35-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2148-41-0x00000000002E0000-0x00000000002EB000-memory.dmp

Filesize
44KB

Download
memory/2148-43-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-44-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-45-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-47-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-50-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-52-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-54-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-56-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-58-0x0000000000400000-0x0000000001F2C000-memory.dmp

Filesize
27.2MB

Download
memory/2148-60-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-62-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-64-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-66-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-68-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-70-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-72-0x00000000002E0000-0x00000000002EB000-memory.dmp

Filesize
44KB

Download
memory/2148-74-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-78-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-80-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-84-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-87-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-90-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-93-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-96-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-98-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-99-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2148-100-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2148-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2148-103-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2148-104-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2148-116-0x0000000000400000-0x0000000001F2C000-memory.dmp

Filesize
27.2MB

Download