18d51471c1d6af1b2e27cb225f028a823e5d38ae8375f919e58e3c47f63a67f9

Analysis

max time kernel
6s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 12:40

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General

Target

1f1e7793cf1a1610b35fb85879766322.exe
Size

326KB
MD5

1f1e7793cf1a1610b35fb85879766322
SHA1

0423fa439205ba235f2bad30333d09deb45c6e96
SHA256

18d51471c1d6af1b2e27cb225f028a823e5d38ae8375f919e58e3c47f63a67f9
SHA512

84e78ee2d3fb83e4e4696a64edc730ddbdb4349963a34fcf20cbdbe800ff4c8067419f9c1b1a52cc30a4301ca942ce2d27387e5d507fa3fbf4f05165587eee2f
SSDEEP

6144:uaBocFBLsmRgcqbbgFLR1YJHrBUBfEwMQy6fOToQfvZ9d0c+BZsoSb:BoYumxqbUdRyZCBftMQf4bB9d7vb

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2132-0-0x0000000000400000-0x00000000004BC000-memory.dmp	upx
behavioral1/memory/2132-61-0x0000000000400000-0x00000000004BC000-memory.dmp	upx
behavioral1/memory/2132-67-0x0000000000400000-0x00000000004BC000-memory.dmp	upx
behavioral1/memory/2132-68-0x0000000000400000-0x00000000004BC000-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)	\??\m:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\n:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\q:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\s:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\e:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\h:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\i:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\l:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\o:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\r:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\v:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\g:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\p:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\u:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\y:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\z:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\j:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\k:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\t:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\w:	1f1e7793cf1a1610b35fb85879766322.exe
File opened (read-only)	\??\x:	1f1e7793cf1a1610b35fb85879766322.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	1f1e7793cf1a1610b35fb85879766322.exe

C:\Users\Admin\AppData\Local\Temp\1f1e7793cf1a1610b35fb85879766322.exe
"C:\Users\Admin\AppData\Local\Temp\1f1e7793cf1a1610b35fb85879766322.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
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

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab7957.tmp

Filesize
35KB

MD5
a8b4db766a57204960e5badd13ae8f61

SHA1
89eb63daf4af6b7874cd6c785093b801ebfb3c23

SHA256
7b040657a9508cd1c31c22368590b1006bf1646230b06b8211778db897379749

SHA512
005619699134ae39503b747f927d9339aac98529b26e4584621ebc129a596a27f528843efc682fe9fbc498afcddb53b05a151554c1a04f0b8082b7b9c8894d07

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar79B7.tmp

Filesize
39KB

MD5
197bf9186a68e886d14414ce3b41f9b7

SHA1
622c34ea3e1d2ece397405953ab854f870f5eb93

SHA256
a0ff10aefb1fdf06521e194315404da6a0f541eec5850c8d04eb345e133cbf19

SHA512
952abaf46ce7e45bd98ddf86ed76646273f32e288d57aedc6c710d7cfca4aafa855232344d6845f09d0a916cef67fd2e95ad123f1105c9e6c38e54620330fa84

Download Submit
memory/2132-0-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2132-61-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2132-67-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2132-68-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads