General

  • Target

    aaa8e1dea3f3c7db3950a055843f969c_JaffaCakes118

  • Size

    1.2MB

  • Sample

    240614-tvw5bssajr

  • MD5

    aaa8e1dea3f3c7db3950a055843f969c

  • SHA1

    69faceb9c2d258a03c889a673bbd214a4565c143

  • SHA256

    6aa0829830223e6827583f5ef5c2a7fa46b06ed1be3db294a835a482a40b4d06

  • SHA512

    b01f810f4dc9f1d4b8c00e087f58da4b76723716118822c57b2a25b8cf1ab5e575c223684c67077668baab1e1065ec5d09f718bb1ba1a3c0b21596b8f261313e

  • SSDEEP

    24576:lnFvMp+/QlnhjrEG3GoP888szR8+et3zjOng9:3MpYY93z088Sz2D6g9

Malware Config

Targets

    • Target

      aaa8e1dea3f3c7db3950a055843f969c_JaffaCakes118

    • Size

      1.2MB

    • MD5

      aaa8e1dea3f3c7db3950a055843f969c

    • SHA1

      69faceb9c2d258a03c889a673bbd214a4565c143

    • SHA256

      6aa0829830223e6827583f5ef5c2a7fa46b06ed1be3db294a835a482a40b4d06

    • SHA512

      b01f810f4dc9f1d4b8c00e087f58da4b76723716118822c57b2a25b8cf1ab5e575c223684c67077668baab1e1065ec5d09f718bb1ba1a3c0b21596b8f261313e

    • SSDEEP

      24576:lnFvMp+/QlnhjrEG3GoP888szR8+et3zjOng9:3MpYY93z088Sz2D6g9

    • Downloads MZ/PE file

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

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

    • Deletes itself

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

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

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

3
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks