General

  • Target

    bba532743837f1a1aa5822ca50f4214e_JaffaCakes118

  • Size

    450KB

  • Sample

    240823-n7bq9sseqb

  • MD5

    bba532743837f1a1aa5822ca50f4214e

  • SHA1

    aa2b62b956b7644e5b69f8f0e50f15c5f4b3acee

  • SHA256

    d0283d295817ddda8db5c4e65d3656ea824e93594a69ac04c2d3b30edc3ca561

  • SHA512

    367180c881421b39f19bc45682ea67e4d4bd587961840cf7929dd79b01bf63c53d408fd92ea269cc4aa0abc0e9ef714d18fb08b17df1d88cfbf9ecebd3c37a17

  • SSDEEP

    12288:zmNxAdISbFrvMM/h+VYFWPCZHBfe+lsYV3:zmkdTprvN/TFWPCVBWlYZ

Malware Config

Targets

    • Target

      bba532743837f1a1aa5822ca50f4214e_JaffaCakes118

    • Size

      450KB

    • MD5

      bba532743837f1a1aa5822ca50f4214e

    • SHA1

      aa2b62b956b7644e5b69f8f0e50f15c5f4b3acee

    • SHA256

      d0283d295817ddda8db5c4e65d3656ea824e93594a69ac04c2d3b30edc3ca561

    • SHA512

      367180c881421b39f19bc45682ea67e4d4bd587961840cf7929dd79b01bf63c53d408fd92ea269cc4aa0abc0e9ef714d18fb08b17df1d88cfbf9ecebd3c37a17

    • SSDEEP

      12288:zmNxAdISbFrvMM/h+VYFWPCZHBfe+lsYV3:zmkdTprvN/TFWPCVBWlYZ

    • Modifies RDP port number used by Windows

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Remote Services: SMB/Windows Admin Shares

      Adversaries may use Valid Accounts to interact with a remote network share using Server Message Block (SMB).

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Modify Registry

2
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

7
T1012

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Remote Services

2
T1021

Remote Desktop Protocol

1
T1021.001

SMB/Windows Admin Shares

1
T1021.002

Collection

Data from Local System

1
T1005

Tasks