8aee572b5650ab36b2f9a5f05cd7cb0479eea1ccfcabb5ef4ad92806ceebba98

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 12:39

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General

Target

18cb36a310634a482df4cc7f7319e8e1.exe
Size

203KB
MD5

18cb36a310634a482df4cc7f7319e8e1
SHA1

17777ae5c310ec0bd20f3c1576edc2ace4366bdc
SHA256

8aee572b5650ab36b2f9a5f05cd7cb0479eea1ccfcabb5ef4ad92806ceebba98
SHA512

6a320691cec85bffbfe5c5e8fcc5f1921bccc01f7082524b44eb1241960af83cb15c5d16ae86da029e1fca13ab4a52a0ce394026e9d1f56fb947cc6068d93079
SSDEEP

3072:63OOFEyGF17SENOuLYp97YYZG5v5x255ZESOZRzSZZsYaGOYmpghR5VlKKi9aZG9:wiyqRSg03ODx42ZRUZhazuhZlIgZG9

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/2988-0-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/memory/2988-1-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/memory/2988-13-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/memory/2988-19-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/memory/2988-20-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/memory/2988-21-0x0000000000400000-0x0000000000478000-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)	\??\i:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\m:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\n:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\o:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\p:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\q:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\u:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\g:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\y:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\s:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\t:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\j:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\w:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\z:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\v:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\h:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\k:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\l:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\r:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\x:	18cb36a310634a482df4cc7f7319e8e1.exe
File opened (read-only)	\??\e:	18cb36a310634a482df4cc7f7319e8e1.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	18cb36a310634a482df4cc7f7319e8e1.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\SAItest.txt	18cb36a310634a482df4cc7f7319e8e1.exe

C:\Users\Admin\AppData\Local\Temp\18cb36a310634a482df4cc7f7319e8e1.exe
"C:\Users\Admin\AppData\Local\Temp\18cb36a310634a482df4cc7f7319e8e1.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
PID:2988

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

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Downloads

memory/2988-0-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2988-1-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2988-13-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2988-19-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2988-20-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2988-21-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads