Analysis

  • max time kernel
    93s
  • max time network
    104s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    26-01-2021 06:19

General

  • Target

    eced82df76526559ab854833f213a8c5.exe

  • Size

    8KB

  • MD5

    eced82df76526559ab854833f213a8c5

  • SHA1

    3b951e79e92142655bde4b98d5e8e5b0b5ccf2a6

  • SHA256

    54086875834b1244c63b639f4c7225d611a5f48bd564fdb50ea3e5eb5dde2041

  • SHA512

    0a1ca95673b55ca3d3f7fe492b5bc06c78498a735bfe764485d170a93068615cae203d51dd6a9ffeb4e972a0788a3e28e4d03125682255452da87793faa6a923

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sardaplywood.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sup123st45

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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.

  • 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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eced82df76526559ab854833f213a8c5.exe
    "C:\Users\Admin\AppData\Local\Temp\eced82df76526559ab854833f213a8c5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Users\Admin\AppData\Local\Temp\eced82df76526559ab854833f213a8c5.exe
      "C:\Users\Admin\AppData\Local\Temp\eced82df76526559ab854833f213a8c5.exe"
      2⤵
        PID:3116
      • C:\Users\Admin\AppData\Local\Temp\eced82df76526559ab854833f213a8c5.exe
        "C:\Users\Admin\AppData\Local\Temp\eced82df76526559ab854833f213a8c5.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4084

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\eced82df76526559ab854833f213a8c5.exe.log
      MD5

      bc181569bfb12333eadc1b311b8ef6a8

      SHA1

      484f86149c2097035e15c64ccdde228dc6327ccd

      SHA256

      8181aed2cbe92d7abcce9baa6008d0265a6b0279e4cfa99c00da1a3558173587

      SHA512

      aa3f436cc27bc720dc7aac09023c97f8bb26dd0b9975d13fd54e58907839a9420d60feaaf067490354bab72be54a9cf0c4faa92bf34c05f6ca537e1b66f4a45f

    • memory/4084-18-0x0000000005580000-0x0000000005581000-memory.dmp
      Filesize

      4KB

    • memory/4084-14-0x0000000073150000-0x000000007383E000-memory.dmp
      Filesize

      6.9MB

    • memory/4084-24-0x0000000005581000-0x0000000005582000-memory.dmp
      Filesize

      4KB

    • memory/4084-21-0x00000000062F0000-0x00000000062F1000-memory.dmp
      Filesize

      4KB

    • memory/4084-20-0x0000000005B20000-0x0000000005B21000-memory.dmp
      Filesize

      4KB

    • memory/4084-11-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/4084-12-0x000000000043769E-mapping.dmp
    • memory/4760-5-0x0000000005740000-0x0000000005741000-memory.dmp
      Filesize

      4KB

    • memory/4760-10-0x00000000060B0000-0x00000000060B1000-memory.dmp
      Filesize

      4KB

    • memory/4760-3-0x0000000000F10000-0x0000000000F11000-memory.dmp
      Filesize

      4KB

    • memory/4760-9-0x0000000006130000-0x0000000006131000-memory.dmp
      Filesize

      4KB

    • memory/4760-2-0x0000000073150000-0x000000007383E000-memory.dmp
      Filesize

      6.9MB

    • memory/4760-8-0x00000000069C0000-0x00000000069C1000-memory.dmp
      Filesize

      4KB

    • memory/4760-7-0x0000000006010000-0x000000000604F000-memory.dmp
      Filesize

      252KB

    • memory/4760-6-0x0000000003170000-0x0000000003171000-memory.dmp
      Filesize

      4KB