7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/04/2024, 10:13

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General

Target

7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.exe
Size

1.5MB
MD5

43a218b70237c795a6f92aceb5cd4c6e
SHA1

575236af9a56a4eb69e473f6f5ebc85508f0257b
SHA256

7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd
SHA512

d631a6006b295cab98a4df75fab753ed4ad744966ed99f8e55cb05c0bae4ed1e7cd9050408648248e77628b27368a6b96206905b66a1e5a5801f7d84c0e2cc23
SSDEEP

24576:/sqiKUgGtZeTq/SI0w9u/24PHfZVt+xd3vopBcef8N7SF/4ErHBkBcM2lE4ZEbLi:0WA9Na3Zfo7RErhplEmbTki

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	7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.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	7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main	7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl	7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.exe = "11000"	7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1784	7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.exe
1784	7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1784	7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.exe
1784	7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.exe
1784	7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.exe
1784	7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.exe
1784	7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.exe

C:\Users\Admin\AppData\Local\Temp\7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.exe
"C:\Users\Admin\AppData\Local\Temp\7373997c5b9ad4ba98a59bd95f8e1bc82baa3e804ca26de99b7e3bac7a7b75fd.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:1784

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/1784-0-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1784-47-0x0000000010000000-0x0000000010102000-memory.dmp

Filesize
1.0MB

Download
memory/1784-50-0x0000000000400000-0x0000000000589000-memory.dmp

Filesize
1.5MB

Download
memory/1784-51-0x0000000000400000-0x0000000000589000-memory.dmp

Filesize
1.5MB

Download
memory/1784-52-0x0000000010000000-0x0000000010102000-memory.dmp

Filesize
1.0MB

Download