General

  • Target

    6f6df11c0814860cc5a4fe7a9db87cc9_JaffaCakes118

  • Size

    321KB

  • Sample

    240524-w1gypseh77

  • MD5

    6f6df11c0814860cc5a4fe7a9db87cc9

  • SHA1

    539bbcc5ec63af4255a65e20ffb1352338cf41d2

  • SHA256

    304a2a17f482efca5e8a9e59b7e17f0f7cbd3bce77680f72ef079a81eadab70c

  • SHA512

    82bf7779e05bd6a734e51747f8fa8f879853c9869f88ecc0f7bf6bf13aeacdd47e7c506b9dde688c955c1f688f2889f8a8c92d263fcb411ec8663a43fe6ce31c

  • SSDEEP

    6144:Fy9xbRMPI1qIELTUbTvfjstzx6UqUxaUWEN:Fwi

Malware Config

Targets

    • Target

      6f6df11c0814860cc5a4fe7a9db87cc9_JaffaCakes118

    • Size

      321KB

    • MD5

      6f6df11c0814860cc5a4fe7a9db87cc9

    • SHA1

      539bbcc5ec63af4255a65e20ffb1352338cf41d2

    • SHA256

      304a2a17f482efca5e8a9e59b7e17f0f7cbd3bce77680f72ef079a81eadab70c

    • SHA512

      82bf7779e05bd6a734e51747f8fa8f879853c9869f88ecc0f7bf6bf13aeacdd47e7c506b9dde688c955c1f688f2889f8a8c92d263fcb411ec8663a43fe6ce31c

    • SSDEEP

      6144:Fy9xbRMPI1qIELTUbTvfjstzx6UqUxaUWEN:Fwi

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Collection

Data from Local System

2
T1005

Tasks