758a312a5079b105ffa560526f8b8054574d0bc967a529592a5568572adb3568 | Triage™

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Overview

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8

Static

static

5

Firefox Se...sr.exe

windows11-ltsc_2024-x64

8

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General

Target
Firefox Setup 115.38.0esr.exe
Size 55.1MB
Sample260810-le6ptszybs
SHA256 758a312a5079b105ffa560526f8b8054574d0bc967a529592a5568572adb3568
MD5 f6feaa215538d85dfdbe2d0a7d55f148
SHA1 a60557d3adbd440582cf22544366eef9b26e7f58
SHA512 6024d59264e7337d78d2a5bc91902d32e8cadaec99e85a2efdd8655e7494d3d0b7770b2db7d4e435a158aeaa23af1aa40002d11e67339ced341708868f2edc7c
SSDEEP 1572864:J7O6VtY9iNvUaAh/yX9C8gD41dATnG8M1KT4cl6CRJc0:1O6bY9EiyXsdMbOn3TrEaJc0
TLSH
T17CC7339D1C2460E7E869C4BD4CC073BEC43463EC85B2E63F293C409D726DBD49B6A999
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

bootkit defense_evasion discovery persistence ransomware spyware stealer trojan upx

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

Firefox Setup 115.38.0esr.exe

Resource

win11ltsc2024-20260709-en

windows11-ltsc_2024-x64

32 signatures

150 seconds

bootkit defense_evasion discovery persistence ransomware spyware stealer trojan upx

Malware Config

Targets

- Target
  Firefox Setup 115.38.0esr.exe
- Size 55.1MB
- SHA256 758a312a5079b105ffa560526f8b8054574d0bc967a529592a5568572adb3568
- MD5 f6feaa215538d85dfdbe2d0a7d55f148
- SHA1 a60557d3adbd440582cf22544366eef9b26e7f58
- SHA512 6024d59264e7337d78d2a5bc91902d32e8cadaec99e85a2efdd8655e7494d3d0b7770b2db7d4e435a158aeaa23af1aa40002d11e67339ced341708868f2edc7c
- SSDEEP 1572864:J7O6VtY9iNvUaAh/yX9C8gD41dATnG8M1KT4cl6CRJc0:1O6bY9EiyXsdMbOn3TrEaJc0
- TLSH
  T17CC7339D1C2460E7E869C4BD4CC073BEC43463EC85B2E63F293C409D726DBD49B6A999
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

8^/10

bootkit defense_evasion discovery persistence ransomware spyware stealer trojan upx
- Disables Task Manager via registry modification
  defense_evasion
- Disables cmd.exe use via registry modification
  defense_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
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

Bootkit

Privilege Escalation

Defense Evasion

Pre-OS Boot

Bootkit

Credential Access

Credentials from Password Stores

Credentials from Web Browsers

Unsecured Credentials

Credentials In Files

Discovery

Browser Information Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

System Network Configuration Discovery

Internet Connection Discovery

System Time Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

bootkitdefense_evasiondiscoverypersistenceransomwarespywarestealertrojanupx

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