d42c0b92d4f439187093694015aa825b886d571aaf2093a6cd0700b5fa9ce790

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2023, 22:25

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General

Target

d42c0b92d4f439187093694015aa825b886d571aaf2093a6cd0700b5fa9ce790.exe
Size

15.3MB
MD5

990fd3beb548bef684f43fe83327f8b6
SHA1

949a91ae5fde249d75d552c280f7757ffae351dc
SHA256

d42c0b92d4f439187093694015aa825b886d571aaf2093a6cd0700b5fa9ce790
SHA512

e6a44a67950b2e8385eea9819d51b88c0a96739acc3031f94488a110dd06d395aba376582ed6833dbe32fe8bad7c26534a5cffcf13fdf2588c891243ef3095e9
SSDEEP

393216:1eyc6kmBPLzjRtO8qsWYIUnbiexzcHtuwj6VR0:Y1VqPLDbxfIWbiexzcHtx

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
behavioral2/memory/3872-11-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-14-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-15-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-16-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-17-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-20-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-22-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-25-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-27-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-29-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-31-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-33-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-37-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-40-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-42-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-44-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-46-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-48-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-50-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-52-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-54-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-56-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-59-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-61-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-63-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/3872-64-0x0000000010000000-0x000000001003E000-memory.dmp	upx

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/3872-6-0x0000000000400000-0x00000000019AD000-memory.dmp	vmprotect
behavioral2/memory/3872-35-0x0000000000400000-0x00000000019AD000-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	d42c0b92d4f439187093694015aa825b886d571aaf2093a6cd0700b5fa9ce790.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3872	d42c0b92d4f439187093694015aa825b886d571aaf2093a6cd0700b5fa9ce790.exe
3872	d42c0b92d4f439187093694015aa825b886d571aaf2093a6cd0700b5fa9ce790.exe
3872	d42c0b92d4f439187093694015aa825b886d571aaf2093a6cd0700b5fa9ce790.exe
3872	d42c0b92d4f439187093694015aa825b886d571aaf2093a6cd0700b5fa9ce790.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3872	d42c0b92d4f439187093694015aa825b886d571aaf2093a6cd0700b5fa9ce790.exe
3872	d42c0b92d4f439187093694015aa825b886d571aaf2093a6cd0700b5fa9ce790.exe
3872	d42c0b92d4f439187093694015aa825b886d571aaf2093a6cd0700b5fa9ce790.exe
3872	d42c0b92d4f439187093694015aa825b886d571aaf2093a6cd0700b5fa9ce790.exe

C:\Users\Admin\AppData\Local\Temp\d42c0b92d4f439187093694015aa825b886d571aaf2093a6cd0700b5fa9ce790.exe
"C:\Users\Admin\AppData\Local\Temp\d42c0b92d4f439187093694015aa825b886d571aaf2093a6cd0700b5fa9ce790.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3872

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/3872-0-0x0000000001B50000-0x0000000001B51000-memory.dmp

Filesize
4KB

Download
memory/3872-1-0x0000000001C80000-0x0000000001C81000-memory.dmp

Filesize
4KB

Download
memory/3872-2-0x0000000001C90000-0x0000000001C91000-memory.dmp

Filesize
4KB

Download
memory/3872-3-0x0000000001CC0000-0x0000000001CC1000-memory.dmp

Filesize
4KB

Download
memory/3872-6-0x0000000000400000-0x00000000019AD000-memory.dmp

Filesize
21.7MB

Download
memory/3872-5-0x0000000001CE0000-0x0000000001CE1000-memory.dmp

Filesize
4KB

Download
memory/3872-4-0x0000000001CD0000-0x0000000001CD1000-memory.dmp

Filesize
4KB

Download
memory/3872-7-0x00000000020F0000-0x00000000020F1000-memory.dmp

Filesize
4KB

Download
memory/3872-11-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-14-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-15-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-16-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-17-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-20-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-22-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-25-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-27-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-29-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-31-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-33-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-35-0x0000000000400000-0x00000000019AD000-memory.dmp

Filesize
21.7MB

Download
memory/3872-37-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-40-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-42-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-44-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-46-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-48-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-50-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-52-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-54-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-56-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-59-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-61-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-63-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-64-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/3872-67-0x0000000075990000-0x0000000075B30000-memory.dmp

Filesize
1.6MB

Download
memory/3872-68-0x0000000075990000-0x0000000075B30000-memory.dmp

Filesize
1.6MB

Download