76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2023, 06:46

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General

Target

76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78.exe
Size

1.5MB
MD5

470cde2e63400089da209339568caf9d
SHA1

54156457a012ffd0cba58fb4b1b71e7258dc2f66
SHA256

76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78
SHA512

f96f8c33a3520b0e324a30dd425ad120b5279124f317cbc7c60c9ef46f02a28eecd75c7681f83fe001b1a5af26f18870b25127ab6dc0ddae40cfc8f40e3c8ada
SSDEEP

24576:OFehbMLd183OLsdTcQnKi9chWQFZVtqne3PzRBV29s937FHBkBcM2lE4ZEbL0HzS:OmbtcU12296FhplEmSkfdkP

Score

6^/10

bootkit persistence

Malware Config

Signatures

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78.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	76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78.exe = "11000"	76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1332	76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78.exe
1332	76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1332	76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78.exe
1332	76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78.exe
1332	76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78.exe
1332	76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78.exe
1332	76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78.exe

C:\Users\Admin\AppData\Local\Temp\76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78.exe
"C:\Users\Admin\AppData\Local\Temp\76b0cc393ed6e80c4b5158b28ad0d027864e576a6c3c4ed893645864830c5f78.exe"
1⤵
- Drops desktop.ini file(s)
- Writes to the Master Boot Record (MBR)
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Desktop\desktop.ini

Filesize
282B

MD5
9e36cc3537ee9ee1e3b10fa4e761045b

SHA1
7726f55012e1e26cc762c9982e7c6c54ca7bb303

SHA256
4b9d687ac625690fd026ed4b236dad1cac90ef69e7ad256cc42766a065b50026

SHA512
5f92493c533d3add10b4ce2a364624817ebd10e32daa45ee16593e913073602db5e339430a3f7d2c44abf250e96ca4e679f1f09f8ca807d58a47cf3d5c9c3790

Download Submit
memory/1332-0-0x0000000002330000-0x0000000002331000-memory.dmp

Filesize
4KB

Download
memory/1332-1-0x0000000000400000-0x0000000000594000-memory.dmp

Filesize
1.6MB

Download
memory/1332-2-0x0000000002330000-0x0000000002331000-memory.dmp

Filesize
4KB

Download
memory/1332-49-0x0000000010000000-0x0000000010102000-memory.dmp

Filesize
1.0MB

Download
memory/1332-52-0x0000000010000000-0x0000000010102000-memory.dmp

Filesize
1.0MB

Download
memory/1332-53-0x0000000000400000-0x0000000000594000-memory.dmp

Filesize
1.6MB

Download
memory/1332-54-0x0000000010000000-0x0000000010102000-memory.dmp

Filesize
1.0MB

Download