General

  • Target

    1c1c6b7976e3d5efb48ecd943af5af9d_JaffaCakes118

  • Size

    320KB

  • Sample

    240506-mrp4aahc9z

  • MD5

    1c1c6b7976e3d5efb48ecd943af5af9d

  • SHA1

    852896c71550b7c101f6194d18c46e02f3894743

  • SHA256

    5d6fd86f4565ac3e9af8b5b1cb3346e62afd4005221609e3ea0fe9155e2217cf

  • SHA512

    f3e5c4bb1ada2af12e468cf2a92bdc90eabea48aedd80362be2c480e86bc70115b5ba34e4a4ae721e4049731f08fcce4047a75dafd5419ca0784ee28eb2d45e8

  • SSDEEP

    6144:OM1zsh8IBTh0DwoO7EdAIQD7QzFtUTVOatD6KBjJIH:LhsXTAwogWAIQfQzURJV6GE

Malware Config

Targets

    • Target

      1c1c6b7976e3d5efb48ecd943af5af9d_JaffaCakes118

    • Size

      320KB

    • MD5

      1c1c6b7976e3d5efb48ecd943af5af9d

    • SHA1

      852896c71550b7c101f6194d18c46e02f3894743

    • SHA256

      5d6fd86f4565ac3e9af8b5b1cb3346e62afd4005221609e3ea0fe9155e2217cf

    • SHA512

      f3e5c4bb1ada2af12e468cf2a92bdc90eabea48aedd80362be2c480e86bc70115b5ba34e4a4ae721e4049731f08fcce4047a75dafd5419ca0784ee28eb2d45e8

    • SSDEEP

      6144:OM1zsh8IBTh0DwoO7EdAIQD7QzFtUTVOatD6KBjJIH:LhsXTAwogWAIQfQzURJV6GE

    • Modifies visibility of file extensions in Explorer

    • Tinba / TinyBanker

      Banking trojan which uses packet sniffing to steal data.

    • UAC bypass

    • Renames multiple (79) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

4
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks