Overview

overview

10

Static

static

3

08b304d012...18.exe

windows7-x64

10

08b304d012...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    08b304d01220f9de63244b4666621bba_JaffaCakes118
  • Size 164KB
  • Sample241002-d8nr4sygrg
  • SHA256 afd3b729cf99fb9ea441f42862a4835d1d6eeb36ee535f9b206e3a00382c972e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
hydracryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target
      08b304d01220f9de63244b4666621bba_JaffaCakes118
    • Size 164KB
    • SHA256 afd3b729cf99fb9ea441f42862a4835d1d6eeb36ee535f9b206e3a00382c972e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    hydracryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

    • HydraCrypt

      Relatively unsophisticated ransomware family based on leaked CrypBoss source code.

      ransomwarehydracrypt

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (626) files with added filename extension

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

      ransomware

    • Checks computer location settings

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

    • Drops startup file

    • 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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Direct Volume Access

1
T1006

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

1
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

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

3
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

Inhibit System Recovery

2
T1490

Tasks