0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04

Analysis

max time kernel
152s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2022 17:46

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General

Target

0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
Size

535KB
MD5

06c74d7f8d9a6972866e757c4ef7e8db
SHA1

8c7f9be20b4e88ee6d06db2968a0e09b0842e6cc
SHA256

0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04
SHA512

8fc3bffdfd34c352f5735a03f482653522668b08fd19666af5a1c9393f311ea7872163964e296b995c4f13eeb4873f82085dc68574923d19285705153040f283
SSDEEP

12288:hHOpBMKvN3cv2+rMQFDn7ezsDz0pzDJZNS:xOjrsvLvx7ezsDApz9Z0

Score

8^/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/4404-132-0x0000000000400000-0x0000000000487000-memory.dmp	upx
behavioral2/memory/4404-133-0x0000000000400000-0x0000000000487000-memory.dmp	upx

Enumerates connected drives 3 TTPs 22 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)	\??\e:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\i:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\j:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\k:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\q:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\f:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\g:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\h:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\m:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\v:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\z:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\p:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\u:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\w:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\l:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\n:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\o:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\r:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\s:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\t:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\x:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
File opened (read-only)	\??\y:	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.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

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe

C:\Users\Admin\AppData\Local\Temp\0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe
"C:\Users\Admin\AppData\Local\Temp\0f9aa3f758df21afa0934e19ce6c2285fb2c890f39b280f19c955c140b3e5e04.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
PID:4404

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4404-132-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/4404-133-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download