Analysis

  • max time kernel
    60s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    08-06-2023 21:06

General

  • Target

    8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42.exe

  • Size

    758KB

  • MD5

    a3b6251f4bbffc665e9102bc4e4076de

  • SHA1

    c67950841989b1ab4b1309096e4961099012b42e

  • SHA256

    8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42

  • SHA512

    2e787dd4079bea1167532ab3d174e01a10d9f67b25f4a7d96ababfcae3d31593352134ad8ad792feb1de4c98a78f4bba15e546917286bb31501c742d61b3f1a6

  • SSDEEP

    12288:Ji4haDnLMzIL2q+RTdOL8iZUi5ipiXRqNcv2pJ4tsLwc6Bb79323asWDj:VOyqGUL8iZUi5KiXENHTLNwb52KDj

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6041893220:AAF8CZzv8AFxOdWhmChH81__ao3x5_lnfqU/

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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42.exe
    "C:\Users\Admin\AppData\Local\Temp\8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Users\Admin\AppData\Local\Temp\8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42.exe
      "C:\Users\Admin\AppData\Local\Temp\8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42.exe"
      2⤵
        PID:432
      • C:\Users\Admin\AppData\Local\Temp\8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42.exe
        "C:\Users\Admin\AppData\Local\Temp\8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42.exe"
        2⤵
          PID:1872
        • C:\Users\Admin\AppData\Local\Temp\8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42.exe
          "C:\Users\Admin\AppData\Local\Temp\8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:1240

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1208-54-0x0000000000180000-0x0000000000244000-memory.dmp

        Filesize

        784KB

      • memory/1208-55-0x0000000004320000-0x0000000004360000-memory.dmp

        Filesize

        256KB

      • memory/1208-56-0x00000000006F0000-0x0000000000704000-memory.dmp

        Filesize

        80KB

      • memory/1208-57-0x0000000004320000-0x0000000004360000-memory.dmp

        Filesize

        256KB

      • memory/1208-58-0x0000000000700000-0x000000000070C000-memory.dmp

        Filesize

        48KB

      • memory/1208-59-0x0000000004DF0000-0x0000000004E5A000-memory.dmp

        Filesize

        424KB

      • memory/1208-60-0x0000000002180000-0x00000000021B2000-memory.dmp

        Filesize

        200KB

      • memory/1240-61-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1240-62-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1240-63-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1240-64-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1240-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1240-66-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1240-68-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1240-70-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1240-71-0x0000000004DF0000-0x0000000004E30000-memory.dmp

        Filesize

        256KB

      • memory/1240-72-0x0000000004DF0000-0x0000000004E30000-memory.dmp

        Filesize

        256KB