67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-04-2024 15:10

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General

Target

67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.exe
Size

1.5MB
MD5

f4bb1ea5d7126ac2a0c84858daf5b8bc
SHA1

4b194f817d81b599669373eaa6757ac03f6b5eff
SHA256

67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75
SHA512

ecd12856f72fd6b7fc3faff994e8b1fc8b0d8bea378bead421e735b47a69fc690b0c18ec98cc7d3812eb1dc70cd00ee7123690bf2a8dc979a672d8eb153e284b
SSDEEP

24576:ZsqiKUgGtZeTq/SI0w80/24PHfZVt+xd3vopBcef8N7SF/4ErHBkBcM2lE4ZEbLM:aWA8na3Zfo7RErhplEmbTkM

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	67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.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	67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Main	67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl	67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.exe = "11000"	67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2484	67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.exe
2484	67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2484	67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.exe
2484	67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.exe
2484	67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.exe
2484	67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.exe
2484	67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.exe

C:\Users\Admin\AppData\Local\Temp\67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.exe
"C:\Users\Admin\AppData\Local\Temp\67e477fac2ec40d5725e711fb6b0c02bb7084416bdcdf038ffaf2c9a93434d75.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:2484

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/2484-0-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2484-47-0x0000000010000000-0x0000000010102000-memory.dmp

Filesize
1.0MB

Download
memory/2484-50-0x0000000000400000-0x0000000000589000-memory.dmp

Filesize
1.5MB

Download
memory/2484-51-0x0000000000400000-0x0000000000589000-memory.dmp

Filesize
1.5MB

Download
memory/2484-52-0x0000000010000000-0x0000000010102000-memory.dmp

Filesize
1.0MB

Download