6bc7341ab250050bac14d18a41c757f6e6c23981331b98d386f659c4e85b0e59

Analysis

max time kernel
0s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
28/12/2023, 20:40

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General

Target

f6acd2e303e62a44fc15ec879626c2db.exe
Size

236KB
MD5

f6acd2e303e62a44fc15ec879626c2db
SHA1

9003304ae0b5c231c35d53550b90f9aae2e09ca7
SHA256

6bc7341ab250050bac14d18a41c757f6e6c23981331b98d386f659c4e85b0e59
SHA512

be2bf6ec852f1adc38f69d9e2aecca10134801c3cb0716f76b72ecbc3ba61f8cf3e406459366f0ec911560f03b16f539c2e7c21126f5922fc51af0d608fdb86b
SSDEEP

6144:T03XFuM4nLSgTh2IcymPCHWIlm1Fa1asHPncByf4cmZfLBNtPWP:Tc1udnLSg03ymK2Ilm1F4a4kofsf8P

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4400-0-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral2/memory/4400-11-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral2/memory/4400-13-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral2/memory/4400-17-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral2/memory/4400-19-0x0000000000400000-0x0000000000488000-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)	\??\h:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\j:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\t:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\v:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\y:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\z:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\n:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\u:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\i:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\k:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\p:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\q:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\r:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\x:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\e:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\g:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\l:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\m:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\o:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\s:	f6acd2e303e62a44fc15ec879626c2db.exe
File opened (read-only)	\??\w:	f6acd2e303e62a44fc15ec879626c2db.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	f6acd2e303e62a44fc15ec879626c2db.exe

C:\Users\Admin\AppData\Local\Temp\f6acd2e303e62a44fc15ec879626c2db.exe
"C:\Users\Admin\AppData\Local\Temp\f6acd2e303e62a44fc15ec879626c2db.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
PID:4400

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/4400-0-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/4400-11-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/4400-13-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/4400-17-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/4400-19-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads