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Analysis

  • max time kernel
    142s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 01:25

General

  • Target

    ed8322ff548bb52e651280261381b3e23e97d7d4478fa7f51caf21c61485626d.exe

  • Size

    386KB

  • MD5

    7ce0e6c063eccdb454a0ce7ccd0654a8

  • SHA1

    5d38594a2104ba5054b8818bde6d5757cf869806

  • SHA256

    ed8322ff548bb52e651280261381b3e23e97d7d4478fa7f51caf21c61485626d

  • SHA512

    c764faa1fb51501708e7558db3d2c07e11f6ac9242ed2c889ba55ebf3c8251bf81c2e820ce5ca07abbb754d34c131661c697c98edfa7aab0f100a9503d3d059e

  • SSDEEP

    12288:H7LIo1KCPQsfHnfx0aHx/JpFycqOC/x5:HIejP5f/x0MHqO+

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6240128422:AAGLQbyR3zUrBSC7L4vc4gkYyOSOKuxj8fw/

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.

  • 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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed8322ff548bb52e651280261381b3e23e97d7d4478fa7f51caf21c61485626d.exe
    "C:\Users\Admin\AppData\Local\Temp\ed8322ff548bb52e651280261381b3e23e97d7d4478fa7f51caf21c61485626d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\ed8322ff548bb52e651280261381b3e23e97d7d4478fa7f51caf21c61485626d.exe
      "C:\Users\Admin\AppData\Local\Temp\ed8322ff548bb52e651280261381b3e23e97d7d4478fa7f51caf21c61485626d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4032
    • C:\Users\Admin\AppData\Local\Temp\ed8322ff548bb52e651280261381b3e23e97d7d4478fa7f51caf21c61485626d.exe
      "C:\Users\Admin\AppData\Local\Temp\ed8322ff548bb52e651280261381b3e23e97d7d4478fa7f51caf21c61485626d.exe"
      2⤵
        PID:3036
      • C:\Users\Admin\AppData\Local\Temp\ed8322ff548bb52e651280261381b3e23e97d7d4478fa7f51caf21c61485626d.exe
        "C:\Users\Admin\AppData\Local\Temp\ed8322ff548bb52e651280261381b3e23e97d7d4478fa7f51caf21c61485626d.exe"
        2⤵
          PID:2844
        • C:\Users\Admin\AppData\Local\Temp\ed8322ff548bb52e651280261381b3e23e97d7d4478fa7f51caf21c61485626d.exe
          "C:\Users\Admin\AppData\Local\Temp\ed8322ff548bb52e651280261381b3e23e97d7d4478fa7f51caf21c61485626d.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:232
        • C:\Users\Admin\AppData\Local\Temp\ed8322ff548bb52e651280261381b3e23e97d7d4478fa7f51caf21c61485626d.exe
          "C:\Users\Admin\AppData\Local\Temp\ed8322ff548bb52e651280261381b3e23e97d7d4478fa7f51caf21c61485626d.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4536
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3036 -ip 3036
        1⤵
          PID:1696
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2844 -ip 2844
          1⤵
            PID:1536
          • 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=1036 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:1444

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/232-22-0x0000000074510000-0x0000000074CC0000-memory.dmp

              Filesize

              7.7MB

            • memory/232-19-0x0000000074510000-0x0000000074CC0000-memory.dmp

              Filesize

              7.7MB

            • memory/232-11-0x0000000074510000-0x0000000074CC0000-memory.dmp

              Filesize

              7.7MB

            • memory/232-17-0x0000000074510000-0x0000000074CC0000-memory.dmp

              Filesize

              7.7MB

            • memory/1236-15-0x0000000074510000-0x0000000074CC0000-memory.dmp

              Filesize

              7.7MB

            • memory/1236-1-0x0000000000660000-0x00000000006C6000-memory.dmp

              Filesize

              408KB

            • memory/1236-2-0x0000000074510000-0x0000000074CC0000-memory.dmp

              Filesize

              7.7MB

            • memory/1236-3-0x0000000074510000-0x0000000074CC0000-memory.dmp

              Filesize

              7.7MB

            • memory/1236-0-0x000000007451E000-0x000000007451F000-memory.dmp

              Filesize

              4KB

            • memory/1236-8-0x000000007451E000-0x000000007451F000-memory.dmp

              Filesize

              4KB

            • memory/4032-7-0x0000000005470000-0x0000000005A14000-memory.dmp

              Filesize

              5.6MB

            • memory/4032-21-0x0000000074510000-0x0000000074CC0000-memory.dmp

              Filesize

              7.7MB

            • memory/4032-16-0x0000000074510000-0x0000000074CC0000-memory.dmp

              Filesize

              7.7MB

            • memory/4032-4-0x0000000000400000-0x0000000000440000-memory.dmp

              Filesize

              256KB

            • memory/4032-5-0x0000000074510000-0x0000000074CC0000-memory.dmp

              Filesize

              7.7MB

            • memory/4536-20-0x0000000074510000-0x0000000074CC0000-memory.dmp

              Filesize

              7.7MB

            • memory/4536-18-0x0000000074510000-0x0000000074CC0000-memory.dmp

              Filesize

              7.7MB

            • memory/4536-13-0x0000000074510000-0x0000000074CC0000-memory.dmp

              Filesize

              7.7MB

            • memory/4536-23-0x0000000005A60000-0x0000000005AC6000-memory.dmp

              Filesize

              408KB

            • memory/4536-24-0x0000000074510000-0x0000000074CC0000-memory.dmp

              Filesize

              7.7MB

            • memory/4536-25-0x0000000006F30000-0x0000000006F80000-memory.dmp

              Filesize

              320KB

            • memory/4536-26-0x0000000007020000-0x00000000070BC000-memory.dmp

              Filesize

              624KB

            • memory/4536-27-0x0000000007160000-0x00000000071F2000-memory.dmp

              Filesize

              584KB

            • memory/4536-28-0x0000000007010000-0x000000000701A000-memory.dmp

              Filesize

              40KB