Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    17/09/2023, 10:44

General

  • Target

    Quotation.exe

  • Size

    693KB

  • MD5

    3cbf764a1a2e7ef8b67e3866440ef5b2

  • SHA1

    459444abc519fb5611bb9821cb8dadb427709f68

  • SHA256

    8cd22dab819e345e17da77ecd66073f7a5ca572254f2b61af89c6b4a24d855d1

  • SHA512

    4f99cec24e368800da59adc26709352e81e272aaf9717281eab9021e98da1e96d98f332079309a0e701dc3af9b528c3411f6904c42762b85ec11f15e9a3bb12d

  • SSDEEP

    12288:Iq8RG2iNEanaRdAnSZvoZl7VqBS1rKy/02LYHfb/AfDsm82yAuxpvyrfD:IqqG1uKnSmZl7VZ1rF0db/AfDs2fuxpI

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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 2 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\Quotation.exe
      "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
      2⤵
        PID:2764
      • C:\Users\Admin\AppData\Local\Temp\Quotation.exe
        "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1096

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1096-16-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1096-10-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1096-23-0x0000000004890000-0x00000000048D0000-memory.dmp

            Filesize

            256KB

          • memory/1096-22-0x00000000748B0000-0x0000000074F9E000-memory.dmp

            Filesize

            6.9MB

          • memory/1096-21-0x0000000004890000-0x00000000048D0000-memory.dmp

            Filesize

            256KB

          • memory/1096-20-0x00000000748B0000-0x0000000074F9E000-memory.dmp

            Filesize

            6.9MB

          • memory/1096-11-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1096-18-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1096-8-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1096-9-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1096-14-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1096-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2380-6-0x0000000000620000-0x000000000062A000-memory.dmp

            Filesize

            40KB

          • memory/2380-0-0x0000000000F40000-0x0000000000FF4000-memory.dmp

            Filesize

            720KB

          • memory/2380-7-0x0000000007F50000-0x0000000007FCC000-memory.dmp

            Filesize

            496KB

          • memory/2380-1-0x00000000748B0000-0x0000000074F9E000-memory.dmp

            Filesize

            6.9MB

          • memory/2380-19-0x00000000748B0000-0x0000000074F9E000-memory.dmp

            Filesize

            6.9MB

          • memory/2380-5-0x0000000004D40000-0x0000000004D80000-memory.dmp

            Filesize

            256KB

          • memory/2380-4-0x00000000748B0000-0x0000000074F9E000-memory.dmp

            Filesize

            6.9MB

          • memory/2380-3-0x0000000000600000-0x000000000060E000-memory.dmp

            Filesize

            56KB

          • memory/2380-2-0x0000000004D40000-0x0000000004D80000-memory.dmp

            Filesize

            256KB