91666dee398a957959247b9319b54aae94d073af4004e7eda8181d8194d4e8df

Analysis

max time kernel
45s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03-12-2022 17:24

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General

Target

91666dee398a957959247b9319b54aae94d073af4004e7eda8181d8194d4e8df.exe
Size

279KB
MD5

fcb295c214ea53f8043eb246397f8c11
SHA1

14c154cf60faa1db6c6a9a3404400a457119f937
SHA256

91666dee398a957959247b9319b54aae94d073af4004e7eda8181d8194d4e8df
SHA512

462219f8b51a2c5a888967eac00ba82db566fa670a945c73e887f81dc023a47a36bc2430dbb3a759e53bce55186158c172d16af990a8b0d446ca6b1054753067
SSDEEP

6144:jim/MYDzQKjHSASpA1OjaQZ/LMborPtCL84TyQOI5JgpcvqNplcsoRokC4:jiawKLHhxOKT0Iw5pdoCkx

Score

6^/10

bootkit persistence

Malware Config

Signatures

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

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	91666dee398a957959247b9319b54aae94d073af4004e7eda8181d8194d4e8df.exe

Modifies registry class 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	91666dee398a957959247b9319b54aae94d073af4004e7eda8181d8194d4e8df.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	91666dee398a957959247b9319b54aae94d073af4004e7eda8181d8194d4e8df.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	91666dee398a957959247b9319b54aae94d073af4004e7eda8181d8194d4e8df.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1780	91666dee398a957959247b9319b54aae94d073af4004e7eda8181d8194d4e8df.exe

C:\Users\Admin\AppData\Local\Temp\91666dee398a957959247b9319b54aae94d073af4004e7eda8181d8194d4e8df.exe
"C:\Users\Admin\AppData\Local\Temp\91666dee398a957959247b9319b54aae94d073af4004e7eda8181d8194d4e8df.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1780-54-0x0000000000400000-0x0000000000500000-memory.dmp

Filesize
1024KB

Download
memory/1780-57-0x0000000000400000-0x0000000000500000-memory.dmp

Filesize
1024KB

Download