General

  • Target

    FINAL BL.pdf.exe

  • Size

    422KB

  • Sample

    220706-zankcabaf8

  • MD5

    9a903c6a1df5616594b6d64f6860fe37

  • SHA1

    fad9c0dcce2c0be8617a016baa1bc8326a6c62f0

  • SHA256

    4e0576bfe816a475d0a0e38a9c7456f8742d12f0c5a44a2244900214c37ad7e4

  • SHA512

    e3b01982cadda9c864a0b68eef6955f632553bd1dc72a0e81191f26d1fd434544c81c02dfc925f856e178de776f3ef58840007fa77fbba9dad7bafbe13b3e419

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1507062795:AAEBb0H5OYbp-dWwXk8ffQp0InjOhKxhpbU/sendMessage?chat_id=1663822858

Targets

    • Target

      FINAL BL.pdf.exe

    • Size

      422KB

    • MD5

      9a903c6a1df5616594b6d64f6860fe37

    • SHA1

      fad9c0dcce2c0be8617a016baa1bc8326a6c62f0

    • SHA256

      4e0576bfe816a475d0a0e38a9c7456f8742d12f0c5a44a2244900214c37ad7e4

    • SHA512

      e3b01982cadda9c864a0b68eef6955f632553bd1dc72a0e81191f26d1fd434544c81c02dfc925f856e178de776f3ef58840007fa77fbba9dad7bafbe13b3e419

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • Checks computer location settings

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

    • 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.

    • 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 v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks