Overview

overview

10

Static

static

3

JaffaCakes...8b.exe

windows7-x64

10

JaffaCakes...8b.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_58b7158bdc6c028189fba27a6225cf8b

  • Size

    192KB

  • Sample

    250307-pfmj5a1jw3

  • MD5

    58b7158bdc6c028189fba27a6225cf8b

  • SHA1

    6ff9427fd114a9614bd68f8653a3d1d235de47cd

  • SHA256

    9c359252c8c43fd884f3aa2577793b81bcd8222648351defee5fb0ee2418d6ef

  • SHA512

    a56eb7dc03edde71a1fb3f0dcae5142241d809bcbfc0fb221afc524bf988cb4861374d0065913b69bcbca7b2969043de96e75aa422f2fe4f266ef12211f92fb1

  • SSDEEP

    3072:yibxUKA2LrBRTS2nO/bbeSnMPZHjgr8SXkK1AhnTGqD9SXLPVqYl:vbOK3Re/bb1MxH6zXkK+V9AbPVn

Score
10/10
gh0stratbootkitdefense_evasiondiscoverypersistenceratupx

Malware Config

Targets

    • Target

      JaffaCakes118_58b7158bdc6c028189fba27a6225cf8b

    • Size

      192KB

    • MD5

      58b7158bdc6c028189fba27a6225cf8b

    • SHA1

      6ff9427fd114a9614bd68f8653a3d1d235de47cd

    • SHA256

      9c359252c8c43fd884f3aa2577793b81bcd8222648351defee5fb0ee2418d6ef

    • SHA512

      a56eb7dc03edde71a1fb3f0dcae5142241d809bcbfc0fb221afc524bf988cb4861374d0065913b69bcbca7b2969043de96e75aa422f2fe4f266ef12211f92fb1

    • SSDEEP

      3072:yibxUKA2LrBRTS2nO/bbeSnMPZHjgr8SXkK1AhnTGqD9SXLPVqYl:vbOK3Re/bb1MxH6zXkK+V9AbPVn

    Score
    10/10
    gh0stratbootkitdefense_evasiondiscoverypersistenceratupx

    • Gh0st RAT payload

    • Gh0strat

      Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

      ratgh0strat

    • Gh0strat family

      gh0strat

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      defense_evasion

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      defense_evasion

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops desktop.ini file(s)

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

      defense_evasion

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Drops file in System32 directory

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Hide Artifacts

3
T1564

Hidden Files and Directories

3
T1564.001

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

3
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

3
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

Command and Control

Exfiltration

Impact

Tasks