Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/07/2023, 14:07

General

  • Target

    shippingdocumentsPO4thcon.exe

  • Size

    488KB

  • MD5

    b5790577b0b5569b7deca9fbdb7c800a

  • SHA1

    b60b70ac5c3a14ba1e3cfd919050db6756711bcf

  • SHA256

    2be1be21688128f7fc05cdcfab69adc794d39910af884a9e63f920e415dc1657

  • SHA512

    b7efd9dae680bb3137bf68a6aabd9f3486776d9bfbf8c9ef31192bf6183685e7a7839047adb8153eaa609ea7dc5b78776ee745c699ce5579bcf2f982bf7af144

  • SSDEEP

    12288:HjvBe0cK1r1Jj1dSrCLh84IBKLOsiBPHW41M5:Hte0cyj7fh84M2OHfY

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6152671361:AAFL6hvnVRgXVOmTmyt-OBqBcWIytTVfN9M/

Signatures

  • AgentTesla

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

  • Drops startup file 2 IoCs
  • 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
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\shippingdocumentsPO4thcon.exe
    "C:\Users\Admin\AppData\Local\Temp\shippingdocumentsPO4thcon.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5116
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\shippingdocumentsPO4thcon.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\anydesk.exe.exe'
      2⤵
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624
    • C:\Users\Admin\AppData\Local\Temp\shippingdocumentsPO4thcon.exe
      "C:\Users\Admin\AppData\Local\Temp\shippingdocumentsPO4thcon.exe"
      2⤵
        PID:4952
      • C:\Users\Admin\AppData\Local\Temp\shippingdocumentsPO4thcon.exe
        "C:\Users\Admin\AppData\Local\Temp\shippingdocumentsPO4thcon.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2688

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\shippingdocumentsPO4thcon.exe.log

            Filesize

            1KB

            MD5

            fb48e160ad99a056cb5502632c82c402

            SHA1

            e51bd74b1da051115245d03ad325fad2affa0c7d

            SHA256

            b98b48bac31d64a426f4fefd46aba5a23812a5518d00774a3d04fdf872d2ebd4

            SHA512

            5b7cac873a341e4fa0233f2aad686718369d6a59af539354ec3cc3a146a26a16973df62bbd276465e81e104c68cd7af3f72c012536e6bf677c6bd5afb4c90822

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jfjkmfpa.3w0.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • memory/2624-150-0x00000000020F0000-0x0000000002100000-memory.dmp

            Filesize

            64KB

          • memory/2624-211-0x0000000005F10000-0x0000000005F2A000-memory.dmp

            Filesize

            104KB

          • memory/2624-143-0x00000000053F0000-0x0000000005456000-memory.dmp

            Filesize

            408KB

          • memory/2624-159-0x0000000005A50000-0x0000000005A6E000-memory.dmp

            Filesize

            120KB

          • memory/2624-141-0x00000000051B0000-0x00000000051D2000-memory.dmp

            Filesize

            136KB

          • memory/2624-149-0x00000000020F0000-0x0000000002100000-memory.dmp

            Filesize

            64KB

          • memory/2624-139-0x0000000002150000-0x0000000002186000-memory.dmp

            Filesize

            216KB

          • memory/2624-140-0x0000000004B40000-0x0000000005168000-memory.dmp

            Filesize

            6.2MB

          • memory/2624-210-0x0000000006AE0000-0x0000000006B76000-memory.dmp

            Filesize

            600KB

          • memory/2624-212-0x0000000005F60000-0x0000000005F82000-memory.dmp

            Filesize

            136KB

          • memory/2624-142-0x00000000052D0000-0x0000000005336000-memory.dmp

            Filesize

            408KB

          • memory/2688-216-0x0000000006E30000-0x0000000006E80000-memory.dmp

            Filesize

            320KB

          • memory/2688-209-0x0000000005500000-0x0000000005510000-memory.dmp

            Filesize

            64KB

          • memory/2688-217-0x00000000070C0000-0x00000000070CA000-memory.dmp

            Filesize

            40KB

          • memory/2688-206-0x0000000000400000-0x0000000000430000-memory.dmp

            Filesize

            192KB

          • memory/2688-218-0x0000000005500000-0x0000000005510000-memory.dmp

            Filesize

            64KB

          • memory/5116-173-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-191-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-165-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-167-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-169-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-171-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-161-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-175-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-177-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-179-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-181-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-183-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-185-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-187-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-189-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-163-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-193-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-195-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-197-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-199-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-201-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-203-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-205-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-158-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-156-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-155-0x0000000005D30000-0x0000000005D53000-memory.dmp

            Filesize

            140KB

          • memory/5116-138-0x00000000063F0000-0x000000000648C000-memory.dmp

            Filesize

            624KB

          • memory/5116-137-0x0000000005880000-0x0000000005890000-memory.dmp

            Filesize

            64KB

          • memory/5116-136-0x00000000058F0000-0x0000000005902000-memory.dmp

            Filesize

            72KB

          • memory/5116-135-0x0000000005930000-0x00000000059C2000-memory.dmp

            Filesize

            584KB

          • memory/5116-134-0x0000000005E40000-0x00000000063E4000-memory.dmp

            Filesize

            5.6MB

          • memory/5116-133-0x0000000000DE0000-0x0000000000E60000-memory.dmp

            Filesize

            512KB