Overview

overview

10

Static

static

1

RNSM00313.7z

windows7-x64

10

Sharing

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General

  • Target

    RNSM00313.7z

  • Size

    776KB

  • Sample

    241112-yn4caaynhz

  • MD5

    33010f7b6871b4a6d48ad986a7454f44

  • SHA1

    d9890107f31ad288ddfcb9209ca161ae650b8b99

  • SHA256

    6c00dc53bbc28ea49a1998bde2de32e6b343cb5f8c10675fd324ceee1babf569

  • SHA512

    cc7b63824fcb81bfadf2b981ca2790faeaa0b426b942c8bab1eaae78fcff0077e052490f8d369d235cc13a1374da85bdde6c174413b6ec0aee02c5a0369eda9b

  • SSDEEP

    12288:gO2/uqGkN9vJUzF//JNI6/QOLW3qx6LSYv/oOn7WAL7PjUBqy+dM9l89nEwKrx3M:6FGkk/XPJL8tv/l73jU0K9+uwo3M

Score
10/10
gandcrabbackdoorcredential_accessdiscoverypersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      RNSM00313.7z

    • Size

      776KB

    • MD5

      33010f7b6871b4a6d48ad986a7454f44

    • SHA1

      d9890107f31ad288ddfcb9209ca161ae650b8b99

    • SHA256

      6c00dc53bbc28ea49a1998bde2de32e6b343cb5f8c10675fd324ceee1babf569

    • SHA512

      cc7b63824fcb81bfadf2b981ca2790faeaa0b426b942c8bab1eaae78fcff0077e052490f8d369d235cc13a1374da85bdde6c174413b6ec0aee02c5a0369eda9b

    • SSDEEP

      12288:gO2/uqGkN9vJUzF//JNI6/QOLW3qx6LSYv/oOn7WAL7PjUBqy+dM9l89nEwKrx3M:6FGkk/XPJL8tv/l73jU0K9+uwo3M

    Score
    10/10
    gandcrabbackdoorcredential_accessdiscoverypersistenceransomwarespywarestealer

    • GandCrab payload

    • Gandcrab

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

      ransomwarebackdoorgandcrab

    • Gandcrab family

      gandcrab

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Drops file in Drivers directory

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

      credential_accessstealer

    • Drops startup file

    • 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.

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

3
T1112

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

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

3
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