Overview

overview

10

Static

static

10

GandCrab.bin.exe

windows7_x64

10

GandCrab.bin.exe

windows10_x64

10

Sharing

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General

  • Target

    GandCrab.bin.zip

  • Size

    77KB

  • Sample

    211202-t6bb1aaecr

  • MD5

    72be875402edd8499941a012621ca01b

  • SHA1

    41ec8aa592ca9bb917782e7ab30abcecec756ecb

  • SHA256

    330097c6070ef1e4f773d87c0e53e64ca41dc5bbc22acd4ccece890ddd953b2c

  • SHA512

    c33d22064735b0ed0524e6f43148852007b6abeb7fdec70d618d68ce0230dbde199c542e3a9158d08b2a38b31ecf94fd07a057b4b209b7af735374588bca7266

Score
10/10
gandcrabbackdoorransomwarespywarestealersuricata

Malware Config

Targets

    • Target

      GandCrab.bin

    • Size

      183KB

    • MD5

      07fadb006486953439ce0092651fd7a6

    • SHA1

      e42431d37561cc695de03b85e8e99c9e31321742

    • SHA256

      d77378dcc42b912e514d3bd4466cdda050dda9b57799a6c97f70e8489dd8c8d0

    • SHA512

      5b09a07371bb5350b22c78aa3e7e673ba61ce72a964e072749a4633e2c15f416c05953cc6e6f6c586df010aa7f2c9c0ab87a014e4f732e5fdb2d58778a1fb437

    Score
    10/10
    gandcrabbackdoorransomwarespywarestealersuricata

    • Gandcrab

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

      ransomwarebackdoorgandcrab

    • suricata: ET MALWARE [eSentire] Win32/GandCrab v4/5 Ransomware CnC Activity

      suricata: ET MALWARE [eSentire] Win32/GandCrab v4/5 Ransomware CnC Activity

      suricata

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Drops startup file

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Enumerates connected drives

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

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

1
T1107

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

1
T1490

Defacement

1
T1491

Tasks