Overview

overview

9

Static

static

1

coinbase.txt

windows10-ltsc_2021-x64

9

Sharing

Copy URL Twitter E-mail

General

  • Target
    coinbase.txt
  • Size 2KB
  • Sample260718-eqqdnaa16s
  • SHA256 8a03d409f782c0609aa01226ced0b47173f65988f5f6e77acfbb5506d04c2f0c
  • MD5 SHA1 SHA512 TLSH
Score
9/10
credential_accessdefense_evasiondiscoveryexecutionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target
      coinbase.txt
    • Size 2KB
    • SHA256 8a03d409f782c0609aa01226ced0b47173f65988f5f6e77acfbb5506d04c2f0c
    • MD5 SHA1 SHA512 TLSH
    Score
    9/10
    credential_accessdefense_evasiondiscoveryexecutionpersistenceransomwarespywarestealertrojan

    • Renames multiple (6139) files with added filename extension

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

      ransomware

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

      credential_accessstealer

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Modify Authentication Process

1
T1556

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Authentication Process

1
T1556

Modify Registry

2
T1112

Subvert Trust Controls

2
T1553

Install Root Certificate

2
T1553.004

Credential Access

Modify Authentication Process

1
T1556

Steal Web Session Cookie

1
T1539

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

6
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks