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Overview

overview

10

Static

static

3

JaffaCakes...a5.exe

windows7-x64

10

JaffaCakes...a5.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_8a6cce77a711d9d113f98a58b6aa48a5

  • Size

    203KB

  • Sample

    250328-hn6jmssygs

  • MD5

    8a6cce77a711d9d113f98a58b6aa48a5

  • SHA1

    1fd42e056fa298ce1553fee307edc4b7cff5b680

  • SHA256

    da8d2cc4377dc08214a3c890595d97664ef8af254bf7b9455df334acfaa5f505

  • SHA512

    029c36819e379cc3a34c073e89481044087ed0fc0c97f917307b19aa4d24fa095cd800c4c3353b5ce61057a800917de8890ad5cc8c069210a9c91686adfc331f

  • SSDEEP

    6144:Vo01LUBA4I1P4u75D9CMnvt5kxCbSTPujr+OY:VTUBeP7XvkxbSjr+N

Score
10/10
gh0stratbootkitdefense_evasiondiscoverypersistenceratupx

Malware Config

Targets

    • Target

      JaffaCakes118_8a6cce77a711d9d113f98a58b6aa48a5

    • Size

      203KB

    • MD5

      8a6cce77a711d9d113f98a58b6aa48a5

    • SHA1

      1fd42e056fa298ce1553fee307edc4b7cff5b680

    • SHA256

      da8d2cc4377dc08214a3c890595d97664ef8af254bf7b9455df334acfaa5f505

    • SHA512

      029c36819e379cc3a34c073e89481044087ed0fc0c97f917307b19aa4d24fa095cd800c4c3353b5ce61057a800917de8890ad5cc8c069210a9c91686adfc331f

    • SSDEEP

      6144:Vo01LUBA4I1P4u75D9CMnvt5kxCbSTPujr+OY:VTUBeP7XvkxbSjr+N

    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.

    • Server Software Component: Terminal Services DLL

      persistence

    • 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

Server Software Component

1
T1505

Terminal Services DLL

1
T1505.005

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