02af5f55a019bfdeebf5269403b000362728ef17e6c5e4f86e36bfede6ce58a9

Analysis

max time kernel
0s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 14:34

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

39fb0139f58f353e407fdce4661062ce.exe
Size

341KB
MD5

39fb0139f58f353e407fdce4661062ce
SHA1

d6ca134c16cedfcbbe818f5e95674c1734bfeedf
SHA256

02af5f55a019bfdeebf5269403b000362728ef17e6c5e4f86e36bfede6ce58a9
SHA512

7d34dd482abf5e158e37971046e52bc9a30e8f92d5b631f51f815277b246515106e561c62e3449a73c2a12700fa1bf062c20631d8fb69db0fb0c1849482e459f
SSDEEP

6144:OfZ/nwzIhoZib9i0ju9BKVoEZUWK2cQb4c5hhlxAjBkMkVVeg/u2PpP2f4cDp:OfpPOZiBiq3zxK2lThlx8k57x/u2PpP+

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/960-0-0x0000000000400000-0x00000000004BF000-memory.dmp	upx
behavioral2/memory/960-6-0x0000000000400000-0x00000000004BF000-memory.dmp	upx

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\u:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\x:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\y:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\l:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\n:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\o:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\r:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\s:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\t:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\w:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\z:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\j:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\p:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\q:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\v:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\k:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\m:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\e:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\g:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\h:	39fb0139f58f353e407fdce4661062ce.exe
File opened (read-only)	\??\i:	39fb0139f58f353e407fdce4661062ce.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	39fb0139f58f353e407fdce4661062ce.exe

C:\Users\Admin\AppData\Local\Temp\39fb0139f58f353e407fdce4661062ce.exe
"C:\Users\Admin\AppData\Local\Temp\39fb0139f58f353e407fdce4661062ce.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
PID:960

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/960-0-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/960-6-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads