Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2024 11:31

General

  • Target

    8fd73ae7fb9da6bf5d793b56d1cd12a0f2cd342236cca599fb92ecdc1ea700da.exe

  • Size

    855KB

  • MD5

    ee2b547c344606df4e8b4fc1114274c4

  • SHA1

    dff9650c7ec6e71612c4e7af46cf4cafef69b2c1

  • SHA256

    8fd73ae7fb9da6bf5d793b56d1cd12a0f2cd342236cca599fb92ecdc1ea700da

  • SHA512

    2a69297894eeaafa4e259cfc06cc5ea149323255d0c466dc08dc8d792c9a8b3022a17e94b125b7a140c41dea93a23dea8702db2b5ccf2a00d0226181eac470b1

  • SSDEEP

    24576:Ng61jjk0LAta9AYZDIKkK2+W5LVrfagz:dFkh37am

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.groupmt.vn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    4j37SF2n8e

Extracted

Family

agenttesla

Credentials

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 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\8fd73ae7fb9da6bf5d793b56d1cd12a0f2cd342236cca599fb92ecdc1ea700da.exe
    "C:\Users\Admin\AppData\Local\Temp\8fd73ae7fb9da6bf5d793b56d1cd12a0f2cd342236cca599fb92ecdc1ea700da.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3292
    • C:\Users\Admin\AppData\Local\Temp\8fd73ae7fb9da6bf5d793b56d1cd12a0f2cd342236cca599fb92ecdc1ea700da.exe
      "C:\Users\Admin\AppData\Local\Temp\8fd73ae7fb9da6bf5d793b56d1cd12a0f2cd342236cca599fb92ecdc1ea700da.exe"
      2⤵
        PID:3904
      • C:\Users\Admin\AppData\Local\Temp\8fd73ae7fb9da6bf5d793b56d1cd12a0f2cd342236cca599fb92ecdc1ea700da.exe
        "C:\Users\Admin\AppData\Local\Temp\8fd73ae7fb9da6bf5d793b56d1cd12a0f2cd342236cca599fb92ecdc1ea700da.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1416
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4476 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:912

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8fd73ae7fb9da6bf5d793b56d1cd12a0f2cd342236cca599fb92ecdc1ea700da.exe.log
        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/1416-10-0x0000000000400000-0x0000000000442000-memory.dmp
        Filesize

        264KB

      • memory/1416-19-0x0000000074D90000-0x0000000075540000-memory.dmp
        Filesize

        7.7MB

      • memory/1416-18-0x0000000006000000-0x0000000006050000-memory.dmp
        Filesize

        320KB

      • memory/1416-17-0x0000000005080000-0x00000000050E6000-memory.dmp
        Filesize

        408KB

      • memory/1416-16-0x0000000074D90000-0x0000000075540000-memory.dmp
        Filesize

        7.7MB

      • memory/1416-14-0x0000000074D90000-0x0000000075540000-memory.dmp
        Filesize

        7.7MB

      • memory/3292-4-0x0000000074D90000-0x0000000075540000-memory.dmp
        Filesize

        7.7MB

      • memory/3292-8-0x0000000008070000-0x00000000080F4000-memory.dmp
        Filesize

        528KB

      • memory/3292-9-0x000000000A800000-0x000000000A89C000-memory.dmp
        Filesize

        624KB

      • memory/3292-7-0x0000000007CE0000-0x0000000007CF0000-memory.dmp
        Filesize

        64KB

      • memory/3292-13-0x0000000074D9E000-0x0000000074D9F000-memory.dmp
        Filesize

        4KB

      • memory/3292-6-0x0000000007D10000-0x0000000007D2A000-memory.dmp
        Filesize

        104KB

      • memory/3292-5-0x0000000005050000-0x000000000505A000-memory.dmp
        Filesize

        40KB

      • memory/3292-15-0x0000000074D90000-0x0000000075540000-memory.dmp
        Filesize

        7.7MB

      • memory/3292-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp
        Filesize

        4KB

      • memory/3292-3-0x0000000004F90000-0x0000000005022000-memory.dmp
        Filesize

        584KB

      • memory/3292-2-0x00000000054A0000-0x0000000005A44000-memory.dmp
        Filesize

        5.6MB

      • memory/3292-1-0x00000000004C0000-0x000000000059C000-memory.dmp
        Filesize

        880KB