Overview

overview

8

Static

static

3

55d72e541f...5c.exe

windows7-x64

8

55d72e541f...5c.exe

windows10-2004-x64

8

Sharing

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General

  • Target
    55d72e541ff5d50ada69084e6a7746784caf8569e7e1576a71d3d03ea335ca5c
  • Size 414KB
  • Sample241016-as6ffayanp
  • SHA256 55d72e541ff5d50ada69084e6a7746784caf8569e7e1576a71d3d03ea335ca5c
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
bootkitdiscoverypersistencespywarestealer

Malware Config

Targets

    • Target
      55d72e541ff5d50ada69084e6a7746784caf8569e7e1576a71d3d03ea335ca5c
    • Size 414KB
    • SHA256 55d72e541ff5d50ada69084e6a7746784caf8569e7e1576a71d3d03ea335ca5c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    8/10
    bootkitdiscoverypersistencespywarestealer

    • Blocklisted process makes network request

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks