Analysis

  • max time kernel
    125s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/06/2024, 01:22

General

  • Target
    8139d5e07d6f8842b3ceda89f0db72b42e395f4fdc09ce7b7c62137b4f411112.exe
  • Size 717KB
  • Sample240616-brbecatclh
  • SHA256 8139d5e07d6f8842b3ceda89f0db72b42e395f4fdc09ce7b7c62137b4f411112
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.adcconsultant.com

  • Port

    587

  • Password

    K-*b*9RVqYM3uR8FLRvu

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\8139d5e07d6f8842b3ceda89f0db72b42e395f4fdc09ce7b7c62137b4f411112.exe
    "C:\Users\Admin\AppData\Local\Temp\8139d5e07d6f8842b3ceda89f0db72b42e395f4fdc09ce7b7c62137b4f411112.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3812
    • C:\Users\Admin\AppData\Local\Temp\8139d5e07d6f8842b3ceda89f0db72b42e395f4fdc09ce7b7c62137b4f411112.exe
      "C:\Users\Admin\AppData\Local\Temp\8139d5e07d6f8842b3ceda89f0db72b42e395f4fdc09ce7b7c62137b4f411112.exe"
      2⤵
        PID:3696
      • C:\Users\Admin\AppData\Local\Temp\8139d5e07d6f8842b3ceda89f0db72b42e395f4fdc09ce7b7c62137b4f411112.exe
        "C:\Users\Admin\AppData\Local\Temp\8139d5e07d6f8842b3ceda89f0db72b42e395f4fdc09ce7b7c62137b4f411112.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2104
    • 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 --field-trial-handle=4304,i,11749492925348081608,8895412282206755658,262144 --variations-seed-version --mojo-platform-channel-handle=1284 /prefetch:8
      1⤵
        PID:4740

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            8139d5e07d6f8842b3ceda89f0db72b42e395f4fdc09ce7b7c62137b4f411112.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8139d5e07d6f8842b3ceda89f0db72b42e395f4fdc09ce7b7c62137b4f411112.exe.log
            • Size 1KB
            • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
            • MD5 SHA1 SHA512

            memory/2104-10-0x0000000000400000-0x0000000000440000-memory.dmp

            memory/2104-18-0x0000000075260000-0x0000000075A10000-memory.dmp

            memory/2104-17-0x0000000006240000-0x0000000006290000-memory.dmp

            memory/2104-16-0x0000000005460000-0x00000000054C6000-memory.dmp

            memory/2104-15-0x0000000075260000-0x0000000075A10000-memory.dmp

            memory/2104-14-0x0000000075260000-0x0000000075A10000-memory.dmp

            memory/3812-8-0x0000000005780000-0x0000000005790000-memory.dmp

            memory/3812-0-0x000000007526E000-0x000000007526F000-memory.dmp

            memory/3812-9-0x0000000006D40000-0x0000000006DC2000-memory.dmp

            memory/3812-7-0x0000000005AC0000-0x0000000005ADA000-memory.dmp

            memory/3812-6-0x00000000058B0000-0x000000000594C000-memory.dmp

            memory/3812-13-0x0000000075260000-0x0000000075A10000-memory.dmp

            memory/3812-5-0x0000000075260000-0x0000000075A10000-memory.dmp

            memory/3812-4-0x00000000055F0000-0x00000000055FA000-memory.dmp

            memory/3812-3-0x0000000005610000-0x00000000056A2000-memory.dmp

            memory/3812-2-0x0000000005B20000-0x00000000060C4000-memory.dmp

            memory/3812-1-0x0000000000C70000-0x0000000000D2A000-memory.dmp