Overview

overview

10

Static

static

10

503808343d...63.exe

windows10-ltsc_2021-x64

Sharing

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General

  • Target
    503808343d8137ca14d207e14ce5928de72ca6a4ab0862df9178c4c015f3d263.zip
  • Size 233KB
  • Sample260809-ah8sta1sdz
  • SHA256 fa833d71561dcfc57602ad67e8d14ccebd56ba12706354fda44b8d253d8440db
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
neshtabootkitdiscoverypersistencespywarestealer

Malware Config

Targets

    • Target
      503808343d8137ca14d207e14ce5928de72ca6a4ab0862df9178c4c015f3d263.exe
    • Size 476KB
    • SHA256 a646684388bdbc8bd0d1f9656a3ffd214b20d0f9c73329133e9ea78c4d0a2344
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    bootkitdiscoveryneshtapersistencespywarestealer

    • Detect Neshta payload

    • Family: Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

      persistencespywareneshta

    • Modifies WinLogon for persistence

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Modifies system executable filetype association

      persistence

    • 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

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Modify Registry

3
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

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks