e835bac7ca6fd23a605cfdfb73725a2a26fb73f8607a3153006f14bcfd0b139a

Analysis

max time kernel
141s
max time network
135s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-12-2023 11:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

19248af0834b443c67f16c6db826f2ae.exe
Size

202KB
MD5

19248af0834b443c67f16c6db826f2ae
SHA1

73af2555c39d6c3180c9af85415696b5e3c96ed7
SHA256

e835bac7ca6fd23a605cfdfb73725a2a26fb73f8607a3153006f14bcfd0b139a
SHA512

1dd14c623ce305d0ff8642261e243fe1573bc74cbdf9280badc480dd1a3c21fc502a3e6c4908eca3ffc397c4301d2c6d67c6988686fc25c66287bf5b148c66ba
SSDEEP

6144:J0YhjwuTT396HSjGT7UZ5SPzcxt4JCWkL:ThjfTTHBkc4mL

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2132-0-0x0000000000400000-0x0000000000477000-memory.dmp	upx
behavioral1/memory/2132-17-0x0000000000400000-0x0000000000477000-memory.dmp	upx
behavioral1/memory/2132-20-0x0000000000400000-0x0000000000477000-memory.dmp	upx
behavioral1/memory/2132-23-0x0000000000400000-0x0000000000477000-memory.dmp	upx
behavioral1/memory/2132-24-0x0000000000400000-0x0000000000477000-memory.dmp	upx
behavioral1/memory/2132-29-0x0000000000400000-0x0000000000477000-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)	\??\j:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\l:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\q:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\r:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\s:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\u:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\x:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\g:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\t:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\w:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\p:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\k:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\n:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\v:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\y:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\e:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\i:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\m:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\o:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\z:	19248af0834b443c67f16c6db826f2ae.exe
File opened (read-only)	\??\h:	19248af0834b443c67f16c6db826f2ae.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	19248af0834b443c67f16c6db826f2ae.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\SAItest.txt	19248af0834b443c67f16c6db826f2ae.exe

C:\Users\Admin\AppData\Local\Temp\19248af0834b443c67f16c6db826f2ae.exe
"C:\Users\Admin\AppData\Local\Temp\19248af0834b443c67f16c6db826f2ae.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
PID:2132

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/2132-0-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2132-17-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2132-20-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2132-23-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2132-24-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2132-29-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads