Analysis

  • max time kernel
    54s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21/09/2022, 06:55

General

  • Target

    b2ff5314573e49dab41de81d94fe2d12.exe

  • Size

    781KB

  • MD5

    b2ff5314573e49dab41de81d94fe2d12

  • SHA1

    1a3be2dc343287d4a30ab987183cbd1b5c337ca2

  • SHA256

    3d3d04e0b7d813c8a0a409488de8719baead684b8933341c5ae11665430c5536

  • SHA512

    5f61a754670e62e571e248867f63e45b26d15a7729ac26bf349e215a4d15538d1aec00bae72c56d272464bdfe7950340b942e27ea6ba6ea1165a169c79f950e8

  • SSDEEP

    12288:HP/zTieBW/BBxIexqvAMSJMfm9fdz5G1vS3N42:HHzGeBW/BnzqvA/Mfm9fdz5GJ+N4

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2ff5314573e49dab41de81d94fe2d12.exe
    "C:\Users\Admin\AppData\Local\Temp\b2ff5314573e49dab41de81d94fe2d12.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:340
    • C:\Users\Admin\AppData\Local\Temp\b2ff5314573e49dab41de81d94fe2d12.exe
      "C:\Users\Admin\AppData\Local\Temp\b2ff5314573e49dab41de81d94fe2d12.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1248

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/340-54-0x0000000000890000-0x000000000095A000-memory.dmp

          Filesize

          808KB

        • memory/340-55-0x0000000075771000-0x0000000075773000-memory.dmp

          Filesize

          8KB

        • memory/340-56-0x0000000000500000-0x0000000000516000-memory.dmp

          Filesize

          88KB

        • memory/340-57-0x00000000006F0000-0x00000000006FC000-memory.dmp

          Filesize

          48KB

        • memory/340-58-0x0000000005D50000-0x0000000005DD0000-memory.dmp

          Filesize

          512KB

        • memory/340-59-0x0000000000800000-0x0000000000826000-memory.dmp

          Filesize

          152KB

        • memory/1248-60-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1248-61-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1248-63-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1248-65-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1248-66-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1248-69-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1248-71-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB