Overview

overview

10

Static

static

5

eeeff91c80...18.exe

windows7-x64

10

eeeff91c80...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    eeeff91c80c874a15cec2c4cc68e5587_JaffaCakes118

  • Size

    636KB

  • Sample

    240921-dby7ks1hkf

  • MD5

    eeeff91c80c874a15cec2c4cc68e5587

  • SHA1

    321aa0a799136832f23ad43c27cd60db540b2623

  • SHA256

    dd673bf12478240e13e74fdb025929d396a306deac934b41dab8eb3cde2a223e

  • SHA512

    6af340efd4e9bb7ef151016f1905503540f42591e9a5ecf0056f4a45b9199283590f05f7c8f6b860584324ff0d65ad0d038227fa35e662a6b848d3727e2a4e2a

  • SSDEEP

    12288:jLkcoxg7v3qnC11ErwIhh0F4qwUgUnyI8oLqfSJzZ:3fmMv6Ckr7MnyI8o6SJF

Score
10/10
defense_evasiondiscoveryevasionpersistence

Malware Config

Targets

    • Target

      eeeff91c80c874a15cec2c4cc68e5587_JaffaCakes118

    • Size

      636KB

    • MD5

      eeeff91c80c874a15cec2c4cc68e5587

    • SHA1

      321aa0a799136832f23ad43c27cd60db540b2623

    • SHA256

      dd673bf12478240e13e74fdb025929d396a306deac934b41dab8eb3cde2a223e

    • SHA512

      6af340efd4e9bb7ef151016f1905503540f42591e9a5ecf0056f4a45b9199283590f05f7c8f6b860584324ff0d65ad0d038227fa35e662a6b848d3727e2a4e2a

    • SSDEEP

      12288:jLkcoxg7v3qnC11ErwIhh0F4qwUgUnyI8oLqfSJzZ:3fmMv6Ckr7MnyI8o6SJF

    Score
    10/10
    defense_evasiondiscoveryevasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Modifies WinLogon

      persistence

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Hide Artifacts: Hidden Users

      defense_evasion
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Privilege Escalation

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Hide Artifacts

3
T1564

Hidden Files and Directories

2
T1564.001

Hidden Users

1
T1564.002

Modify Registry

6
T1112

Credential Access

Discovery

Network Share Discovery

1
T1135

Peripheral Device Discovery

1
T1120

Permission Groups Discovery

1
T1069

Local Groups

1
T1069.001

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Tasks