Overview

overview

10

Static

static

3

9f11e80b93...18.exe

windows7-x64

10

9f11e80b93...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9f11e80b937a80d10662272eecd3b5d6_JaffaCakes118

  • Size

    720KB

  • Sample

    241126-byv3bstnal

  • MD5

    9f11e80b937a80d10662272eecd3b5d6

  • SHA1

    6beaf8431439e6ab8bc6e7e5362c34dac9a30c82

  • SHA256

    e40d738784e02c5c3e9528873d8ceb8737f51ddf29deac980ae01de06b10c95f

  • SHA512

    d22248a9004521f4ad45b130666bd1a4277bdcc951a9f08de6f838e47b53eb08e0b2beb239f6ff37e9775a051461524089f84abed92776e74b4b8f6f747a3d19

  • SSDEEP

    12288:nXgvmzFHi0mo5aH0qMzd5807FRPJQPDHvd:nXgvOHi0mGaH0qSdPFr4V

Score
10/10
defense_evasiondiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Targets

    • Target

      9f11e80b937a80d10662272eecd3b5d6_JaffaCakes118

    • Size

      720KB

    • MD5

      9f11e80b937a80d10662272eecd3b5d6

    • SHA1

      6beaf8431439e6ab8bc6e7e5362c34dac9a30c82

    • SHA256

      e40d738784e02c5c3e9528873d8ceb8737f51ddf29deac980ae01de06b10c95f

    • SHA512

      d22248a9004521f4ad45b130666bd1a4277bdcc951a9f08de6f838e47b53eb08e0b2beb239f6ff37e9775a051461524089f84abed92776e74b4b8f6f747a3d19

    • SSDEEP

      12288:nXgvmzFHi0mo5aH0qMzd5807FRPJQPDHvd:nXgvOHi0mGaH0qSdPFr4V

    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