Overview

overview

10

Static

static

5

ff5eecef1e...18.exe

windows7-x64

10

ff5eecef1e...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ff5eecef1e1c10712a059a6bd8a3ca6a_JaffaCakes118

  • Size

    362KB

  • Sample

    240929-1jyx4s1hpj

  • MD5

    ff5eecef1e1c10712a059a6bd8a3ca6a

  • SHA1

    be501191585254f6796145c3158854a9fca29dfb

  • SHA256

    1400e6cd20ba44c73eb70a4134ce3b8f9dacfde63ad3028b3a063ac1dd0e1598

  • SHA512

    cfb19c3bc72b1c48047ef252bd1ed65dd4e854841c89d3c49e0cb053e408c55b3b7d0e9ba27cd405a7fd0f214c1451d764776ffe6f911e81291517ee95666e94

  • SSDEEP

    6144:+YDhB6ActM8FbPt6a15RGkPNJAcb+k2WzoPiML3AYRYAe5mYklr7k96uAzdqfSJF:Z9BvctM85t35JPNJj2WzoRLQYRYzmYBM

Score
10/10
defense_evasiondiscoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      ff5eecef1e1c10712a059a6bd8a3ca6a_JaffaCakes118

    • Size

      362KB

    • MD5

      ff5eecef1e1c10712a059a6bd8a3ca6a

    • SHA1

      be501191585254f6796145c3158854a9fca29dfb

    • SHA256

      1400e6cd20ba44c73eb70a4134ce3b8f9dacfde63ad3028b3a063ac1dd0e1598

    • SHA512

      cfb19c3bc72b1c48047ef252bd1ed65dd4e854841c89d3c49e0cb053e408c55b3b7d0e9ba27cd405a7fd0f214c1451d764776ffe6f911e81291517ee95666e94

    • SSDEEP

      6144:+YDhB6ActM8FbPt6a15RGkPNJAcb+k2WzoPiML3AYRYAe5mYklr7k96uAzdqfSJF:Z9BvctM85t35JPNJj2WzoRLQYRYzmYBM

    Score
    10/10
    defense_evasiondiscoveryevasionpersistenceupx

    • 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

    • 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

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