1c47c4ab7ad633c42e7fdec5e2033d968ff24f110854ff1d6f0c1d09df8fe39a

Analysis

max time kernel
0s
max time network
85s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 23:07

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General

Target

1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
Size

240KB
MD5

1f72ab81bfa96a8f5b04ee84dec2c4aa
SHA1

04e354140f03b0372072be4846ed29e766d42c54
SHA256

1c47c4ab7ad633c42e7fdec5e2033d968ff24f110854ff1d6f0c1d09df8fe39a
SHA512

7b98d7d87bd37e253961862ed0b5dd2c8b829e43adb6d5f1977401e17757fe09a99c26a9f39264de0d4a3b5e801e19b151d7bed4c23d6fc069906bc0173b8452
SSDEEP

6144:wK5lxWZmdARycX+x198PYyGghIjL7CSHu:/5bW+no0qPY1ghbGu

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4840-0-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/4840-11-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/4840-12-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/4840-13-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/4840-14-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/4840-17-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/4840-18-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/4840-20-0x0000000000400000-0x0000000000489000-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)	\??\k:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\l:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\o:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\q:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\s:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\z:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\h:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\i:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\m:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\n:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\u:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\y:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\t:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\v:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\w:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\e:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\g:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\j:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\p:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\r:	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
File opened (read-only)	\??\x:	1f72ab81bfa96a8f5b04ee84dec2c4aa.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	1f72ab81bfa96a8f5b04ee84dec2c4aa.exe

C:\Users\Admin\AppData\Local\Temp\1f72ab81bfa96a8f5b04ee84dec2c4aa.exe
"C:\Users\Admin\AppData\Local\Temp\1f72ab81bfa96a8f5b04ee84dec2c4aa.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
PID:4840

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/4840-0-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/4840-11-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/4840-12-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/4840-13-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/4840-14-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/4840-17-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/4840-18-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/4840-20-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads