Overview

overview

10

Static

static

3

cdd562e9fd...18.exe

windows7-x64

10

cdd562e9fd...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cdd562e9fdf47ce1efeac2de114ee8eb_JaffaCakes118

  • Size

    320KB

  • Sample

    240831-3xzsnssfpr

  • MD5

    cdd562e9fdf47ce1efeac2de114ee8eb

  • SHA1

    aae238546cb2fab86c76989d9d8c5571841c35aa

  • SHA256

    5f3e82b10f7fba6cc29d2ff56f21c836664a7ee26e706c334c154c6fe1fd6ccc

  • SHA512

    a14d3768545e6f76bf0d360f215ec22a45f1b0801c03b3abe93e0818816ffaf9b9e58b5bdaa246429a9ebe6b937fc203bc3416686ed72c87a7d5c8ffdf88bc10

  • SSDEEP

    6144:aTwZo1IV3puaibGKFHi0mofhaH05kipz016580bHFbl86JQPDHDdx/QtqR:0XgvmzFHi0mo5aH0qMzd5807FRPJQPDV

Score
10/10
defense_evasiondiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Targets

    • Target

      cdd562e9fdf47ce1efeac2de114ee8eb_JaffaCakes118

    • Size

      320KB

    • MD5

      cdd562e9fdf47ce1efeac2de114ee8eb

    • SHA1

      aae238546cb2fab86c76989d9d8c5571841c35aa

    • SHA256

      5f3e82b10f7fba6cc29d2ff56f21c836664a7ee26e706c334c154c6fe1fd6ccc

    • SHA512

      a14d3768545e6f76bf0d360f215ec22a45f1b0801c03b3abe93e0818816ffaf9b9e58b5bdaa246429a9ebe6b937fc203bc3416686ed72c87a7d5c8ffdf88bc10

    • SSDEEP

      6144:aTwZo1IV3puaibGKFHi0mofhaH05kipz016580bHFbl86JQPDHDdx/QtqR:0XgvmzFHi0mo5aH0qMzd5807FRPJQPDV

    Score
    10/10
    defense_evasiondiscoveryevasionpersistenceprivilege_escalationtrojan

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      evasiontrojan

    • Adds policy Run key to start application

      persistence

    • Disables RegEdit via registry modification

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

      defense_evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Hijack Execution Flow: Executable Installer File Permissions Weakness

      Possible Turn off User Account Control's privilege elevation for standard users.

      defense_evasionpersistenceprivilege_escalation

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Hijack Execution Flow

1
T1574

Executable Installer File Permissions Weakness

1
T1574.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Hijack Execution Flow

1
T1574

Executable Installer File Permissions Weakness

1
T1574.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hijack Execution Flow

1
T1574

Executable Installer File Permissions Weakness

1
T1574.005

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Safe Mode Boot

1
T1562.009

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks