General

  • Target

    file.exe

  • Size

    3.8MB

  • Sample

    210115-3z3xy2vxl6

  • MD5

    2e14c53a16fd3117aa1e940c69679c23

  • SHA1

    7768c676e75565d2c09505bab2f765bc583c1170

  • SHA256

    c52ace76d94d2c7687a8c4bd529f86c343c05cc388df75432736b1c384f8677e

  • SHA512

    a4477f135037cf94d18e718d16746a875b85ad4fa3bdaa397f2d00198c14b4ff945cc9a3435eecb5408b2c575ccb207670c45333121d0dd935158e9ed2ade263

Score
10/10

Malware Config

Targets

    • Target

      file.exe

    • Size

      3.8MB

    • MD5

      2e14c53a16fd3117aa1e940c69679c23

    • SHA1

      7768c676e75565d2c09505bab2f765bc583c1170

    • SHA256

      c52ace76d94d2c7687a8c4bd529f86c343c05cc388df75432736b1c384f8677e

    • SHA512

      a4477f135037cf94d18e718d16746a875b85ad4fa3bdaa397f2d00198c14b4ff945cc9a3435eecb5408b2c575ccb207670c45333121d0dd935158e9ed2ade263

    Score
    10/10
    • Modifies WinLogon for persistence

    • Drops startup file

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • Looks up external IP address via web service

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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Tasks