Overview

overview

10

Static

static

1

JaffaCakes...8.html

windows10-ltsc 2021-x64

10

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General

  • Target

    JaffaCakes118_1d93e8597dd860cf81cd913c4b997818

  • Size

    25KB

  • Sample

    250113-vpy76sznfx

  • MD5

    1d93e8597dd860cf81cd913c4b997818

  • SHA1

    a7dacf6a32b194720a87130a16f2222c44f036eb

  • SHA256

    6514b345465786d232a61f8aca8e3b60e2bf8a3e45f237086e55caac0c19cb4d

  • SHA512

    c35592acafe20b18914ba7ee31201faa7534136df292d7c14436fb3bcbdd5f07b96b3b63897509068b8263ec4e12f55e192de027996dac8e63e08712fb891e98

  • SSDEEP

    384:PqlIcCtF4JVGTHyk9v1o99t5W9ISFaTGHx6QckT/gbpLOXguLZ:sZtSF5zg9ExLZ

Score
10/10
cryptolockerdharmaaspackv2credential_accessdefense_evasiondiscoveryevasionexecutionimpactmacropersistenceprivilege_escalationransomwarespywarestealerupx

Malware Config

Targets

    • Target

      JaffaCakes118_1d93e8597dd860cf81cd913c4b997818

    • Size

      25KB

    • MD5

      1d93e8597dd860cf81cd913c4b997818

    • SHA1

      a7dacf6a32b194720a87130a16f2222c44f036eb

    • SHA256

      6514b345465786d232a61f8aca8e3b60e2bf8a3e45f237086e55caac0c19cb4d

    • SHA512

      c35592acafe20b18914ba7ee31201faa7534136df292d7c14436fb3bcbdd5f07b96b3b63897509068b8263ec4e12f55e192de027996dac8e63e08712fb891e98

    • SSDEEP

      384:PqlIcCtF4JVGTHyk9v1o99t5W9ISFaTGHx6QckT/gbpLOXguLZ:sZtSF5zg9ExLZ

    Score
    10/10
    cryptolockerdharmaaspackv2credential_accessdefense_evasiondiscoveryevasionexecutionimpactmacropersistenceprivilege_escalationransomwarespywarestealerupx

    • CryptoLocker

      Ransomware family with multiple variants.

      ransomwarecryptolocker

    • Cryptolocker family

      cryptolocker

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

      ransomwaredharma

    • Dharma family

      dharma

    • Modifies WinLogon for persistence

      persistence

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (566) files with added filename extension

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

      ransomware

    • Contacts a large (1138) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

      discovery

    • Modifies Windows Firewall

      evasion

    • Suspicious Office macro

      Office document equipped with macros.

      macro

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Checks computer location settings

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

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

      credential_accessstealer

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

      defense_evasion

    • 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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Direct Volume Access

1
T1006

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Safe Mode Boot

1
T1562.009

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

2
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

Network Service Discovery

1
T1046

Peripheral Device Discovery

1
T1120

Query Registry

5
T1012

Remote System Discovery

1
T1018

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2
T1490

Tasks