Analysis

  • max time kernel
    143s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/07/2023, 12:47

General

  • Target

    Factura 2-000059.exe

  • Size

    593KB

  • MD5

    eb2415e0582ff085664d4c66754738d7

  • SHA1

    2d651c548a52ad6cf247dba6ec03d0a86f872e7c

  • SHA256

    4267e2d7fe9a8a024af4c37d0dfebe2b19475780ff5d503dc33aa5601d67444c

  • SHA512

    d299f332c5f8867d80253f428ab7bb9c8ad0c5c91e9852731a0eddffd15f9992908a1090577d66a2f441ed83d7c89971a00661bee49b5b8109d7d0874f6a3fb0

  • SSDEEP

    12288:SPYPfY7NEtj8vTAIMbmhYdQZbptosQQqI+1XY:SPYPgqtQ7AVih0QZMIWI

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • 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 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Factura 2-000059.exe
    "C:\Users\Admin\AppData\Local\Temp\Factura 2-000059.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:680
    • C:\Users\Admin\AppData\Local\Temp\Factura 2-000059.exe
      "C:\Users\Admin\AppData\Local\Temp\Factura 2-000059.exe"
      2⤵
        PID:836
      • C:\Users\Admin\AppData\Local\Temp\Factura 2-000059.exe
        "C:\Users\Admin\AppData\Local\Temp\Factura 2-000059.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4304

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Factura 2-000059.exe.log

            Filesize

            1KB

            MD5

            8ec831f3e3a3f77e4a7b9cd32b48384c

            SHA1

            d83f09fd87c5bd86e045873c231c14836e76a05c

            SHA256

            7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

            SHA512

            26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

          • memory/680-141-0x0000000009D40000-0x0000000009DDC000-memory.dmp

            Filesize

            624KB

          • memory/680-134-0x0000000000060000-0x00000000000FA000-memory.dmp

            Filesize

            616KB

          • memory/680-136-0x0000000004B80000-0x0000000004C12000-memory.dmp

            Filesize

            584KB

          • memory/680-137-0x0000000004B50000-0x0000000004B60000-memory.dmp

            Filesize

            64KB

          • memory/680-138-0x0000000004C60000-0x0000000004C6A000-memory.dmp

            Filesize

            40KB

          • memory/680-139-0x00000000748E0000-0x0000000075090000-memory.dmp

            Filesize

            7.7MB

          • memory/680-135-0x0000000005130000-0x00000000056D4000-memory.dmp

            Filesize

            5.6MB

          • memory/680-140-0x0000000004B50000-0x0000000004B60000-memory.dmp

            Filesize

            64KB

          • memory/680-145-0x00000000748E0000-0x0000000075090000-memory.dmp

            Filesize

            7.7MB

          • memory/680-133-0x00000000748E0000-0x0000000075090000-memory.dmp

            Filesize

            7.7MB

          • memory/4304-146-0x00000000748E0000-0x0000000075090000-memory.dmp

            Filesize

            7.7MB

          • memory/4304-142-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/4304-147-0x0000000003140000-0x0000000003150000-memory.dmp

            Filesize

            64KB

          • memory/4304-148-0x0000000006C90000-0x0000000006E52000-memory.dmp

            Filesize

            1.8MB

          • memory/4304-149-0x00000000748E0000-0x0000000075090000-memory.dmp

            Filesize

            7.7MB

          • memory/4304-150-0x0000000003140000-0x0000000003150000-memory.dmp

            Filesize

            64KB