General

  • Target

    1f525a8d8195fc99382b8acce5fadbc3.exe

  • Size

    422KB

  • Sample

    220706-ta2t3sgfb9

  • MD5

    1f525a8d8195fc99382b8acce5fadbc3

  • SHA1

    8c6c1e22add0ac9581820b39740b6c9621bbb964

  • SHA256

    7163dd515cb2369c7b9ed2f235a06ac01f6623c6ea2f4d9647b5abada0dae6c1

  • SHA512

    256e1a8d56913465f5f82d832a033515718fdd7e905602e844ff5687a355182184db52b5cb3713cf6f4c868b3db85357f18c72409d83eece1ba7a3169fa27317

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.maruti-msm.com
  • Port:
    26
  • Username:
    venkat.r@maruti-msm.com
  • Password:
    P@55wrd9090
  • Email To:
    venkat.r@maruti-msm.com

Targets

    • Target

      1f525a8d8195fc99382b8acce5fadbc3.exe

    • Size

      422KB

    • MD5

      1f525a8d8195fc99382b8acce5fadbc3

    • SHA1

      8c6c1e22add0ac9581820b39740b6c9621bbb964

    • SHA256

      7163dd515cb2369c7b9ed2f235a06ac01f6623c6ea2f4d9647b5abada0dae6c1

    • SHA512

      256e1a8d56913465f5f82d832a033515718fdd7e905602e844ff5687a355182184db52b5cb3713cf6f4c868b3db85357f18c72409d83eece1ba7a3169fa27317

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • 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

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks