Analysis

  • max time kernel
    54s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-09-2022 06:17

General

  • Target

    5b803b60fb6d61f80c283e0dcdda2f37.exe

  • Size

    1.1MB

  • MD5

    5b803b60fb6d61f80c283e0dcdda2f37

  • SHA1

    ecfae4e097beb22fca101a802bbe76fbcd051280

  • SHA256

    af4b499ac5c3169e9d289117b03c60091cf11ffe549f034b4911801f15b8bc33

  • SHA512

    cfbfa0254392613d916604e3cc366f9fc74d9e29ccdb145b93609eb16bd2b180eed1b72bb7a897ca525b005864357517f143e32baf0d7642607c5bb1c341b037

  • SSDEEP

    24576:HlwTmsaTIrKdI1bht/NAf5SRHXbEGVxB9:HlwygrKdwhnjRLf

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    cp5ua.hyperhost.ua
  • Port:
    587
  • Username:
    arinzelog@steuler-kch.org
  • Password:
    7213575aceACE@#$
  • Email To:
    arinze@steuler-kch.org
C2

https://api.telegram.org/bot5321688653:AAEI2yqGrOA_-sRZ3xaqutrexraSgFa0AnA/sendMessage?chat_id=5048077662

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b803b60fb6d61f80c283e0dcdda2f37.exe
    "C:\Users\Admin\AppData\Local\Temp\5b803b60fb6d61f80c283e0dcdda2f37.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Users\Admin\AppData\Local\Temp\5b803b60fb6d61f80c283e0dcdda2f37.exe
      "C:\Users\Admin\AppData\Local\Temp\5b803b60fb6d61f80c283e0dcdda2f37.exe"
      2⤵
        PID:860
      • C:\Users\Admin\AppData\Local\Temp\5b803b60fb6d61f80c283e0dcdda2f37.exe
        "C:\Users\Admin\AppData\Local\Temp\5b803b60fb6d61f80c283e0dcdda2f37.exe"
        2⤵
          PID:1316
        • C:\Users\Admin\AppData\Local\Temp\5b803b60fb6d61f80c283e0dcdda2f37.exe
          "C:\Users\Admin\AppData\Local\Temp\5b803b60fb6d61f80c283e0dcdda2f37.exe"
          2⤵
            PID:1404
          • C:\Users\Admin\AppData\Local\Temp\5b803b60fb6d61f80c283e0dcdda2f37.exe
            "C:\Users\Admin\AppData\Local\Temp\5b803b60fb6d61f80c283e0dcdda2f37.exe"
            2⤵
            • Accesses Microsoft Outlook profiles
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:1720

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Credential Access

        Credentials in Files

        3
        T1081

        Collection

        Data from Local System

        3
        T1005

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1720-67-0x00000000004771FE-mapping.dmp
        • memory/1720-61-0x0000000000400000-0x000000000047C000-memory.dmp
          Filesize

          496KB

        • memory/1720-62-0x0000000000400000-0x000000000047C000-memory.dmp
          Filesize

          496KB

        • memory/1720-74-0x0000000005030000-0x0000000005096000-memory.dmp
          Filesize

          408KB

        • memory/1720-65-0x0000000000400000-0x000000000047C000-memory.dmp
          Filesize

          496KB

        • memory/1720-73-0x0000000000320000-0x000000000032A000-memory.dmp
          Filesize

          40KB

        • memory/1720-71-0x0000000000400000-0x000000000047C000-memory.dmp
          Filesize

          496KB

        • memory/1720-64-0x0000000000400000-0x000000000047C000-memory.dmp
          Filesize

          496KB

        • memory/1720-69-0x0000000000400000-0x000000000047C000-memory.dmp
          Filesize

          496KB

        • memory/1720-66-0x0000000000400000-0x000000000047C000-memory.dmp
          Filesize

          496KB

        • memory/1848-59-0x00000000080E0000-0x00000000081B6000-memory.dmp
          Filesize

          856KB

        • memory/1848-58-0x00000000006B0000-0x00000000006BC000-memory.dmp
          Filesize

          48KB

        • memory/1848-54-0x00000000000B0000-0x00000000001D4000-memory.dmp
          Filesize

          1.1MB

        • memory/1848-56-0x0000000000550000-0x0000000000564000-memory.dmp
          Filesize

          80KB

        • memory/1848-60-0x0000000007F40000-0x0000000007FBC000-memory.dmp
          Filesize

          496KB

        • memory/1848-55-0x0000000076091000-0x0000000076093000-memory.dmp
          Filesize

          8KB

        • memory/1848-57-0x0000000000560000-0x0000000000574000-memory.dmp
          Filesize

          80KB