Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 01:29

General

  • Target

    c57de09c656ac3354ac118579ff342fff680248c3ed3d05f676bdd85b43c854a.exe

  • Size

    928KB

  • MD5

    7753317daa2529254b82baf0b1eedb3e

  • SHA1

    dcf6305c25bfae04dec959f80aad390ae3e79550

  • SHA256

    c57de09c656ac3354ac118579ff342fff680248c3ed3d05f676bdd85b43c854a

  • SHA512

    c8a82dacc2e385276241d44f4885414e31400ed783eb41dd7630fa822a9cc808f43aa01a6cc9f8d60b38fc1d623bce7a7f74cbb0f14cc4be25ded3ec9eac3783

  • SSDEEP

    24576:3w4bjw4bZT6mj1iCkAXFfXqVXSwIksa7:3w4bjw4bZOY1i3A1fXqVCXkB

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7163397787:AAE0uYnJRSe51mlaCqrSz3_sYt0F4gR7fWQ/

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c57de09c656ac3354ac118579ff342fff680248c3ed3d05f676bdd85b43c854a.exe
    "C:\Users\Admin\AppData\Local\Temp\c57de09c656ac3354ac118579ff342fff680248c3ed3d05f676bdd85b43c854a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4168
    • C:\Users\Admin\AppData\Local\Temp\c57de09c656ac3354ac118579ff342fff680248c3ed3d05f676bdd85b43c854a.exe
      "C:\Users\Admin\AppData\Local\Temp\c57de09c656ac3354ac118579ff342fff680248c3ed3d05f676bdd85b43c854a.exe"
      2⤵
        PID:1752
      • C:\Users\Admin\AppData\Local\Temp\c57de09c656ac3354ac118579ff342fff680248c3ed3d05f676bdd85b43c854a.exe
        "C:\Users\Admin\AppData\Local\Temp\c57de09c656ac3354ac118579ff342fff680248c3ed3d05f676bdd85b43c854a.exe"
        2⤵
          PID:1912
        • C:\Users\Admin\AppData\Local\Temp\c57de09c656ac3354ac118579ff342fff680248c3ed3d05f676bdd85b43c854a.exe
          "C:\Users\Admin\AppData\Local\Temp\c57de09c656ac3354ac118579ff342fff680248c3ed3d05f676bdd85b43c854a.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2444

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c57de09c656ac3354ac118579ff342fff680248c3ed3d05f676bdd85b43c854a.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/2444-10-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2444-18-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/2444-17-0x00000000063B0000-0x0000000006400000-memory.dmp

        Filesize

        320KB

      • memory/2444-16-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/2444-15-0x00000000056B0000-0x0000000005716000-memory.dmp

        Filesize

        408KB

      • memory/2444-14-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/4168-8-0x0000000004C80000-0x0000000004C90000-memory.dmp

        Filesize

        64KB

      • memory/4168-0-0x000000007531E000-0x000000007531F000-memory.dmp

        Filesize

        4KB

      • memory/4168-9-0x0000000005B90000-0x0000000005C14000-memory.dmp

        Filesize

        528KB

      • memory/4168-7-0x0000000004CB0000-0x0000000004CCA000-memory.dmp

        Filesize

        104KB

      • memory/4168-6-0x0000000004CF0000-0x0000000004D8C000-memory.dmp

        Filesize

        624KB

      • memory/4168-13-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/4168-4-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/4168-5-0x0000000004B70000-0x0000000004B7A000-memory.dmp

        Filesize

        40KB

      • memory/4168-3-0x0000000004A60000-0x0000000004AF2000-memory.dmp

        Filesize

        584KB

      • memory/4168-2-0x0000000005010000-0x00000000055B4000-memory.dmp

        Filesize

        5.6MB

      • memory/4168-1-0x0000000000030000-0x000000000011C000-memory.dmp

        Filesize

        944KB