c1bb84bc59d14e60c48b328a4e29f3a91bcfa6284d1c92d7c28ca27930f9bf6f

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 20:11

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General

Target

3a725743cbcca9bcf7a338cfc9b2c248.exe
Size

200KB
MD5

3a725743cbcca9bcf7a338cfc9b2c248
SHA1

e4f59973b619d259eb00298888271fdd841d66d5
SHA256

c1bb84bc59d14e60c48b328a4e29f3a91bcfa6284d1c92d7c28ca27930f9bf6f
SHA512

ccbe4290466f2103769c4d3b3dba365b2af62c564d00b644972053498fd4cd842533e603b9ca16d7fde314d01c1c08d1d149c6f8e5ee1feedcfbb87ce3e2411f
SSDEEP

3072:kbdja9frMEgyP6GJ8bVesuY60K22dTr3/5V6334ceOeO0y97lReW/ln45khuwx:k1uTMEd8Al3/j6nzzFhSrk4a

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
behavioral1/memory/2232-0-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/2232-17-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/2232-20-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/2232-23-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/2232-26-0x0000000000400000-0x0000000000476000-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)	\??\l:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\x:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\z:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\p:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\q:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\s:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\t:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\v:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\g:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\j:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\n:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\y:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\r:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\e:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\i:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\m:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\u:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\w:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\h:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\k:	3a725743cbcca9bcf7a338cfc9b2c248.exe
File opened (read-only)	\??\o:	3a725743cbcca9bcf7a338cfc9b2c248.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	3a725743cbcca9bcf7a338cfc9b2c248.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\SAItest.txt	3a725743cbcca9bcf7a338cfc9b2c248.exe

C:\Users\Admin\AppData\Local\Temp\3a725743cbcca9bcf7a338cfc9b2c248.exe
"C:\Users\Admin\AppData\Local\Temp\3a725743cbcca9bcf7a338cfc9b2c248.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
PID:2232

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/2232-0-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2232-17-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2232-20-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2232-23-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2232-26-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads