Overview

overview

10

Static

static

5

2026-05-03...rm.exe

windows10-2004-x64

10

2026-05-03...rm.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/05/2026, 15:53

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General

  • Target
    2026-05-03_aa628df8564ddea05e686aca16c80ba1_akira_elex_glassworm.exe
  • Size 17.1MB
  • Sample260503-tbwpfscy2v
  • SHA256 f943c5ef2fc3183307bf9ea8dc84d046830e1d700f5adf15f3d6ef6f5b9912f4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoorcredential_accessdefense_evasiondiscoveryexecutiongandcrabimpactransomwarespywarestealer

Malware Config

Extracted

Path

  • F:\$RECYCLE.BIN\KRAB-DECRYPT.txt

Ransom Note
  • ---= GANDCRAB V4 =--- Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .KRAB The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. The server with your key is in a closed network TOR. You can get there by the following ways: ---------------------------------------------------------------------------------------- | 0. Download Tor browser - https://www.torproject.org/ | 1. Install Tor browser | 2. Open Tor Browser | 3. Open link in TOR browser: http://gandcrabmfe6mnef.onion/1b0f7474ed710d64 | 4. Follow the instructions on this page ---------------------------------------------------------------------------------------- On our page you will see instructions on payment and get the opportunity to decrypt 1 file for free. ATTENTION! IN ORDER TO PREVENT DATA DAMAGE: * DO NOT MODIFY ENCRYPTED FILES * DO NOT CHANGE DATA BELOW ---BEGIN GANDCRAB KEY--- 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 ---END GANDCRAB KEY--- ---BEGIN PC DATA--- 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 ---END PC DATA---
URLs

  • http://gandcrabmfe6mnef.onion/1b0f7474ed710d64

Signatures

  • Family: Gandcrab

    Gandcrab is a Trojan horse that encrypts files on a computer.

    ransomwarebackdoorgandcrab
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Custom signature
    Detects ransomware indicator 3 IoCs
  • Enumerates VirtualBox DLL files 2 TTPs 3 IoCs
  • Enumerates VirtualBox registry keys 2 TTPs 2 IoCs
    defense_evasion
  • Custom signature
    Gandcrab Payload 3 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
    defense_evasion
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    defense_evasion
  • Looks for VirtualBox drivers on disk 2 TTPs 2 IoCs
    defense_evasion
  • Renames multiple (480) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    defense_evasion
  • Looks for VMWare drivers on disk 2 TTPs 2 IoCs
    defense_evasion
  • Looks for VMWare services registry key. 1 TTPs 2 IoCs
    defense_evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in Program Files directory 38 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-03_aa628df8564ddea05e686aca16c80ba1_akira_elex_glassworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-03_aa628df8564ddea05e686aca16c80ba1_akira_elex_glassworm.exe"
    1⤵
    • Enumerates VirtualBox DLL files
    • Enumerates VirtualBox registry keys
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VirtualBox drivers on disk
    • Looks for VMWare Tools registry key
    • Looks for VMWare drivers on disk
    • Looks for VMWare services registry key.
    • Checks computer location settings
    • Drops startup file
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Windows\SysWOW64\wbem\wmic.exe
      "C:\Windows\system32\wbem\wmic.exe" shadowcopy delete
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1680
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2632

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Windows Management Instrumentation

        1
        T1047

        Persistence

        Privilege Escalation

        Defense Evasion

        Indicator Removal

        1
        T1070

        File Deletion

        1
        T1070.004

        Virtualization/Sandbox Evasion

        8
        T1497

        Credential Access

        Credentials from Password Stores

        2
        T1555

        Credentials from Web Browsers

        1
        T1555.003

        Windows Credential Manager

        1
        T1555.004

        Unsecured Credentials

        1
        T1552

        Credentials In Files

        1
        T1552.001

        Discovery

        File and Directory Discovery

        3
        T1083

        Peripheral Device Discovery

        1
        T1120

        Query Registry

        8
        T1012

        System Information Discovery

        5
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        Virtualization/Sandbox Evasion

        8
        T1497

        Lateral Movement

        Collection

        Data from Local System

        1
        T1005

        Command and Control

        Exfiltration

        Impact

        Inhibit System Recovery

        1
        T1490

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        svc_677947ae.log
        • Path C:\ProgramData\svc_677947ae.log
        • Size 640B
        • SHA256 e056a0a55fcd727f5746b97454c81ed2d1ee570ed78bd8a630aae50ca998a1e4
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        svc_677947ae.log
        • Path C:\ProgramData\svc_677947ae.log
        • Size 1KB
        • SHA256 1c7ede5aff88e1ac41a4bf6c68393ac1f1e680dd5f5034868e1ddac88be6cb5e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        svc_677947ae.log
        • Path C:\ProgramData\svc_677947ae.log
        • Size 441B
        • SHA256 76a8acfb67f8913690501488de4549381299c20352c46f8eb5bda6f11c9b82d6
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        KRAB-DECRYPT.txt
        • Path F:\$RECYCLE.BIN\KRAB-DECRYPT.txt
        • Size 8KB
        • SHA256 d730a03f31ea0d03f07e7fc311702834fbe0b0f6e6ed95a3b8380a78f9197293
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2420-14-0x0000000000D00000-0x0000000000D29000-memory.dmp
        Download

        memory/2420-35-0x0000000000D00000-0x0000000000D29000-memory.dmp
        Download

        memory/2420-36-0x0000000000D00000-0x0000000000D29000-memory.dmp
        Download

        memory/2420-1179-0x0000000000DE0000-0x0000000000F06000-memory.dmp
        Download

        memory/2420-1180-0x0000000000960000-0x00000000009BF000-memory.dmp
        Download