General

  • Target

    doc2019291888001990.pdf.exe

  • Size

    13KB

  • Sample

    211021-gm2cvshha4

  • MD5

    3d18d2aac131785618c05c974240a2e0

  • SHA1

    59ced83454905b1355abb7f8a9db626794e9fa90

  • SHA256

    68ef3fd87db02762f5bc7d604354cd0dee06df1c6c8eb0b05e04dec272b72dfe

  • SHA512

    14c497b7abc723d55a75a2a56efa298f7452766dcbf298deac7c1a43e0be549e289b8439510624e6a981d662ea5a77df36a7cc8f31747b71cd4003b211727593

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mebareklam.com.tr
  • Port:
    587
  • Username:
    meba@mebareklam.com.tr
  • Password:
    %2Ar34qs

Targets

    • Target

      doc2019291888001990.pdf.exe

    • Size

      13KB

    • MD5

      3d18d2aac131785618c05c974240a2e0

    • SHA1

      59ced83454905b1355abb7f8a9db626794e9fa90

    • SHA256

      68ef3fd87db02762f5bc7d604354cd0dee06df1c6c8eb0b05e04dec272b72dfe

    • SHA512

      14c497b7abc723d55a75a2a56efa298f7452766dcbf298deac7c1a43e0be549e289b8439510624e6a981d662ea5a77df36a7cc8f31747b71cd4003b211727593

    • Modifies Windows Defender Real-time Protection settings

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Turns off Windows Defender SpyNet reporting

    • Windows security bypass

    • Nirsoft

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Windows security modification

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

4
T1089

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks