Analysis

  • max time kernel
    29s
  • max time network
    114s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    05/05/2023, 11:23

General

  • Target

    4579986544567SK.exe

  • Size

    222KB

  • MD5

    03583de9c0aab8903f5033c70ec95121

  • SHA1

    24d128bae985a8e0709e4d867510756adbc52d3b

  • SHA256

    21bb03f0edc9d1584da0a469bad83726ed17ce463aa2570d1c2ec74b23d22bcf

  • SHA512

    c603c421ea4fa6c72338b9796b9b19e0452fcc69be82e376ab909e35c2b04e43922b9eedcfcc5eb7b59b5059689f7482f77e98e836400b64f5184d28c1d31b3c

  • SSDEEP

    6144:sQsL+qO8mibCoPxL1GL37oSPs0YJQBfS1apMc4:yO8mPoPxL1GHoStCQBfS1apMc

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 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 2 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\4579986544567SK.exe
    "C:\Users\Admin\AppData\Local\Temp\4579986544567SK.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Users\Admin\AppData\Local\Temp\4579986544567SK.exe
      "C:\Users\Admin\AppData\Local\Temp\4579986544567SK.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:936

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/936-60-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/936-57-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/936-58-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/936-59-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/936-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/936-62-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/936-64-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/936-66-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/936-67-0x0000000000E70000-0x0000000000EB0000-memory.dmp

          Filesize

          256KB

        • memory/936-68-0x0000000000E70000-0x0000000000EB0000-memory.dmp

          Filesize

          256KB

        • memory/1532-55-0x0000000000330000-0x0000000000368000-memory.dmp

          Filesize

          224KB

        • memory/1532-56-0x0000000000620000-0x000000000062A000-memory.dmp

          Filesize

          40KB

        • memory/1532-54-0x0000000001290000-0x00000000012CE000-memory.dmp

          Filesize

          248KB