Overview

overview

10

Static

static

3

2026-08-04...om.exe

windows10-2004-x64

10

2026-08-04...om.exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    2026-08-04_c049431a1ec2305a7dac5fc168288c10_blankgrabber_cobalt-strike_coinminer_icedid_njrat_satacom
  • Size 68.7MB
  • Sample260804-rmx1jssemg
  • SHA256 7563c675b473dac235a9fec3b7d82e3eaea406f82ac139ed6179a84ef9cc8dbf
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
blankgrabberdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealer

Malware Config

Targets

    • Target
      2026-08-04_c049431a1ec2305a7dac5fc168288c10_blankgrabber_cobalt-strike_coinminer_icedid_njrat_satacom
    • Size 68.7MB
    • SHA256 7563c675b473dac235a9fec3b7d82e3eaea406f82ac139ed6179a84ef9cc8dbf
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionblankgrabberpersistenceprivilege_escalationspywarestealer

    • A stealer written in Python and packaged with Pyinstaller

    • Family: blankgrabber

      Blankgrabber is an infostealer written in Python and packaged with Pyinstaller.

      stealerblankgrabber

    • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Detects PowerShell scripts containing patterns of base64 encoded files, concatenation and execution

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers

    • Detects executables Discord URL observed in first stage droppers

    • Detects executables containing SQL queries to confidential data stores. Observed in infostealers

    • Detects executables containing URLs to raw contents of a Github gist

    • Detects executables referencing combination of virtualization drivers

    • Detects executables referencing many IR and analysis tools

    • Detects executables referencing virtualization MAC addresses

    • Adds policy Run key to start application

      persistence

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Drops file in Drivers directory

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

      persistenceprivilege_escalation

    • Creates new service(s)

      persistenceexecution

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • 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

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

3
T1059

PowerShell

2
T1059.001

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

2
T1112

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 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

Web Service

1
T1102

Exfiltration

Impact

Tasks