General

  • Target

    ae62013599fa1f2b60e759821c4b3043_JaffaCakes118

  • Size

    978KB

  • Sample

    240615-pfgnwazfld

  • MD5

    ae62013599fa1f2b60e759821c4b3043

  • SHA1

    954dea645deeea2275a1fbebb244f7194888cc90

  • SHA256

    68c0a1574587d172b6b3161e25f2f010885ae1db1774a27cd0b941b61a824f65

  • SHA512

    1c0acbcf1d7bc02c6adcde5440315b560098cd53b721981f5bf31f0b73ddb811f2f55de066f9067c066f837a9a21bdef1bb13a07ed76f4315838c22dff8551b8

  • SSDEEP

    24576:mv0YX0rk87XbV/nm62DVPyphvKc+glk0u3vyaf:m9q/b9mJxWhvc0ub

Malware Config

Targets

    • Target

      ae62013599fa1f2b60e759821c4b3043_JaffaCakes118

    • Size

      978KB

    • MD5

      ae62013599fa1f2b60e759821c4b3043

    • SHA1

      954dea645deeea2275a1fbebb244f7194888cc90

    • SHA256

      68c0a1574587d172b6b3161e25f2f010885ae1db1774a27cd0b941b61a824f65

    • SHA512

      1c0acbcf1d7bc02c6adcde5440315b560098cd53b721981f5bf31f0b73ddb811f2f55de066f9067c066f837a9a21bdef1bb13a07ed76f4315838c22dff8551b8

    • SSDEEP

      24576:mv0YX0rk87XbV/nm62DVPyphvKc+glk0u3vyaf:m9q/b9mJxWhvc0ub

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger Main payload

    • Checks computer location settings

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

    • Drops startup file

    • 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.

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks