b959398a698e3e7b4b18306724d9aa2d697956c6a160725f6d9a3a1c0699a1d4 | Triage

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Overview

overview

8

Static

static

3

oxhzulzwrt.exe

windows7-x64

8

oxhzulzwrt.exe

windows10-2004-x64

8

Sharing

General

Target

oxhzulzwrt.exe
Size

137KB
Sample

240908-np4pbswdmb
MD5

a7c87a3414b9f40f48700c10391d5980
SHA1

97e195564d3b1b394e730d2cbe0369243c81149d
SHA256

b959398a698e3e7b4b18306724d9aa2d697956c6a160725f6d9a3a1c0699a1d4
SHA512

e4c3ae8a84679d8c05eacd160048bf98046fe25efab16e12c3759f1314f14930c8127a640af29ac0d85cd83e073775a384dfa474cc4d1cf5a3935229d506358e
SSDEEP

1536:0hYSOk+ac5boqXL6QozPIb/umpVvLX48JV0TdpHu4Eo5n1xesW+cd1GdxZbShX:06ZGQGgru+vLxJYnng1YxYX

Score

8^/10

bootkit discovery evasion persistence

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

oxhzulzwrt.exe

Resource

win7-20240903-en

bootkit discovery evasion persistence

windows7-x64

7 signatures

150 seconds

Behavioral task

behavioral2

Sample

oxhzulzwrt.exe

Resource

win10v2004-20240802-en

bootkit discovery evasion persistence

windows10-2004-x64

7 signatures

150 seconds

Malware Config

Targets

- Target
  
  oxhzulzwrt.exe
- Size
  
  137KB
- MD5
  
  a7c87a3414b9f40f48700c10391d5980
- SHA1
  
  97e195564d3b1b394e730d2cbe0369243c81149d
- SHA256
  
  b959398a698e3e7b4b18306724d9aa2d697956c6a160725f6d9a3a1c0699a1d4
- SHA512
  
  e4c3ae8a84679d8c05eacd160048bf98046fe25efab16e12c3759f1314f14930c8127a640af29ac0d85cd83e073775a384dfa474cc4d1cf5a3935229d506358e
- SSDEEP
  
  1536:0hYSOk+ac5boqXL6QozPIb/umpVvLX48JV0TdpHu4Eo5n1xesW+cd1GdxZbShX:06ZGQGgru+vLxJYnng1YxYX
Score

8^/10

bootkit discovery evasion persistence
- Disables Task Manager via registry modification
  evasion
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

Bootkit

Privilege Escalation

Defense Evasion

Modify Registry

Pre-OS Boot

Bootkit

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

bootkitdiscoveryevasionpersistence

behavioral2

bootkitdiscoveryevasionpersistence

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