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Analysis

  • max time kernel
    95s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/09/2024, 18:04

General

  • Target

    ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe

  • Size

    853KB

  • MD5

    2ed6b552b5c13791f7dcaa2fd9a3f302

  • SHA1

    55f119b484ffebd0ece50a7fae65808d638d1e4f

  • SHA256

    ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c

  • SHA512

    e80c225bf649a60d8fffa8afe0aa9cf5bbff80ac3950ab77ef1cb414d4d050fcc2cd8acf62d73e57b53aa70df37fd104be6bf73586748cdcecfcd85612ad03d4

  • SSDEEP

    24576:OKxM2Ss09ILUfkU3sZiefAqe+BPpLaz7iNYd2rgn:OsMrzIIfkRZiFq7pLyKYdcgn

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.midhcodistribuciones.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ,A7}+JV4KExQ

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.midhcodistribuciones.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ,A7}+JV4KExQ

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe
    "C:\Users\Admin\AppData\Local\Temp\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3244
    • C:\Users\Admin\AppData\Local\Temp\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe
      "C:\Users\Admin\AppData\Local\Temp\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe"
      2⤵
        PID:2576
      • C:\Users\Admin\AppData\Local\Temp\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe
        "C:\Users\Admin\AppData\Local\Temp\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe"
        2⤵
          PID:2276
        • C:\Users\Admin\AppData\Local\Temp\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe
          "C:\Users\Admin\AppData\Local\Temp\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2128

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe.log

        Filesize

        1KB

        MD5

        b7b9acb869ccc7f7ecb5304ec0384dee

        SHA1

        6a90751c95817903ee833d59a0abbef425a613b3

        SHA256

        8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

        SHA512

        7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

      • memory/2128-14-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2128-23-0x0000000074470000-0x0000000074C20000-memory.dmp

        Filesize

        7.7MB

      • memory/2128-22-0x0000000074470000-0x0000000074C20000-memory.dmp

        Filesize

        7.7MB

      • memory/2128-21-0x0000000006AE0000-0x0000000006B30000-memory.dmp

        Filesize

        320KB

      • memory/2128-20-0x0000000005550000-0x00000000055B6000-memory.dmp

        Filesize

        408KB

      • memory/2128-19-0x0000000074470000-0x0000000074C20000-memory.dmp

        Filesize

        7.7MB

      • memory/2128-17-0x0000000074470000-0x0000000074C20000-memory.dmp

        Filesize

        7.7MB

      • memory/3244-5-0x0000000074470000-0x0000000074C20000-memory.dmp

        Filesize

        7.7MB

      • memory/3244-7-0x00000000084A0000-0x0000000008570000-memory.dmp

        Filesize

        832KB

      • memory/3244-10-0x0000000074470000-0x0000000074C20000-memory.dmp

        Filesize

        7.7MB

      • memory/3244-11-0x0000000006D50000-0x0000000006D5E000-memory.dmp

        Filesize

        56KB

      • memory/3244-12-0x0000000006DA0000-0x0000000006E24000-memory.dmp

        Filesize

        528KB

      • memory/3244-13-0x000000000AA20000-0x000000000AABC000-memory.dmp

        Filesize

        624KB

      • memory/3244-8-0x0000000008570000-0x000000000858A000-memory.dmp

        Filesize

        104KB

      • memory/3244-9-0x000000007447E000-0x000000007447F000-memory.dmp

        Filesize

        4KB

      • memory/3244-6-0x0000000005900000-0x000000000590A000-memory.dmp

        Filesize

        40KB

      • memory/3244-18-0x0000000074470000-0x0000000074C20000-memory.dmp

        Filesize

        7.7MB

      • memory/3244-0-0x000000007447E000-0x000000007447F000-memory.dmp

        Filesize

        4KB

      • memory/3244-4-0x0000000005970000-0x0000000005CC4000-memory.dmp

        Filesize

        3.3MB

      • memory/3244-3-0x00000000056C0000-0x0000000005752000-memory.dmp

        Filesize

        584KB

      • memory/3244-2-0x0000000005D90000-0x0000000006334000-memory.dmp

        Filesize

        5.6MB

      • memory/3244-1-0x0000000000BA0000-0x0000000000C78000-memory.dmp

        Filesize

        864KB