42ef9f739531f8bfeb18962921396292488c15c45a86b898a8c090d7a1e2cab5

Analysis

max time kernel
127s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26/05/2024, 16:53

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
42ef9f739531f8bfeb18962921396292488c15c45a86b898a8c090d7a1e2cab5.exe
Size 4.8MB
Sample240526-vd64msdc3y
SHA256 42ef9f739531f8bfeb18962921396292488c15c45a86b898a8c090d7a1e2cab5
MD5 a83ce55de43bb3e7c15aaf7d53b1befa
SHA1 6daf0f4ff9da79bb9615b7d9fed05160416ee0c3
SHA512 29251dddd12d6f83ed3a34f40d78592aa205e4b56dac9298f7775b9443b2b62c5af5c77fa36f9ddb1e2561414187cff4acbbf3aff91c511ff92031328edafacc
SSDEEP 98304:seLpmrmc2lAu28lkcf5YjovKqGYiOE8oLj5YINfSyo8aXl:TcmZl85gyjovK65E8ob5Sx8aXl
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

bootkit persistence

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
4456	42ef9f739531f8bfeb18962921396292488c15c45a86b898a8c090d7a1e2cab5.exe
4456	42ef9f739531f8bfeb18962921396292488c15c45a86b898a8c090d7a1e2cab5.exe
4456	42ef9f739531f8bfeb18962921396292488c15c45a86b898a8c090d7a1e2cab5.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	42ef9f739531f8bfeb18962921396292488c15c45a86b898a8c090d7a1e2cab5.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\42ef9f739531f8bfeb18962921396292488c15c45a86b898a8c090d7a1e2cab5.exe
"C:\Users\Admin\AppData\Local\Temp\42ef9f739531f8bfeb18962921396292488c15c45a86b898a8c090d7a1e2cab5.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
PID:4456

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

360NetUL.dll

Path C:\Users\Admin\AppData\Local\LDSGameMaster\Store\360Base\360NetUL.dll
Size 234KB
SHA256 139fdd92e6ddf1aac0761a68502b374daa32e82039621018511dc491ed9b4048
MD5 cd03029957ebc78c0ca7a6c02a9ca846
SHA1 0044114b8073781479044f0294701be9611be2ac
SHA512 14c641cb9536def0ddc1969d50b97b83a23017c97373e3ad74d3fbf9825ac81f3fdf8169281c8ad4cebd45d9c9ae05f752d553ba4653e620889b274479cb7c32
SSDEEP 6144:UY+WTYKgvoCAXYkgBJR9dwhJ+o9TBLuSz:UY+Wk5voCAXYkmP7Lo9TJ
MD5 SHA1 SHA512 SSDEEP

Submit Download

LDSBasic.dll

Path C:\Users\Admin\AppData\Local\LDSGameMaster\Store\360Base\Utils\LDSBasic.dll
Size 2.1MB
SHA256 c4dba892a9a1fb675d06dd615c4fc079e9f4e12a8368e8bd18e37137ed567f35
MD5 c35ab236702291f1a2d090af8ea253d9
SHA1 d7f58f0f5fee6b26564af3c5d7ab6defe5a4608d
SHA512 87a3fa1927ad2fad117055411a471be95275a4d4bf99ee3ab522faee70067b239bb77ddd94c4300958607efd4a3fc071df2262754557fca2530e70f2c438a068
SSDEEP 49152:Ebr/dy1q8u2iKNs30Sk11FyJtnoQHiub/LYEBDUf:C1yI8uLn0BAV1CWYE8
MD5 SHA1 SHA512 SSDEEP

Submit Download

7z.dll

Path C:\Users\Admin\AppData\Local\Temp\{CE76BE08-FD57-46b7-8B68-013D1BBC6B16}.tmp\7z.dll
Size 1.1MB
SHA256 aa57160684feb240a85da677caaf7cf6a08b7349d89ae9cb4a3476884d80aac5
MD5 a46135bdd574092d85955070e72d5aad
SHA1 aad137b0a883fea22b7118778512ffc7865513bc
SHA512 72188f348d9ae33e2b5a7886c80667cc3015bfac170249537baa9e31abf8d63ca198903206feb64887f1d509a1b9bfc9f54ede8b3aa26bee3f5c4375e5c6a24b
SSDEEP 24576:0xb5vMX35l5UVrIdhcMEKWnttf7eePboHvVxSfBtll:0xbSz5UVrIdhnW1Pc96Btll
MD5 SHA1 SHA512 SSDEEP

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads