Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 01:26

General

  • Target

    Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe

  • Size

    821KB

  • MD5

    87113dcc0719f80633c986c184c7e29f

  • SHA1

    9033d77c48bf796483bf8ba448bfd09aaaf162a1

  • SHA256

    3ab5cfa98e47af08a289ebfb6bfcdb40b109ac077c1b655b47798cb559931724

  • SHA512

    d6d7c62ca6d08f3fdad5ee4405882707d4d8ecbd8684067e85195b603a14a8c36b3ec5fd4b1dfe6a08d923ae56e4cb75ca350723159615b9a53752a57db38f30

  • SSDEEP

    24576:UfT2Hd8Vr98Fl0Yu/d4NOuhPpkBfJXAvR:UfTUd8VJ8Fl0YZpCBfJXAJ

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2948
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TKFJVphocGEKC.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2784
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TKFJVphocGEKC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp736B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1692
    • C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe"
      2⤵
        PID:2688
      • C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe"
        2⤵
          PID:2712
        • C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2720

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp736B.tmp

        Filesize

        1KB

        MD5

        9d8a508fb1c5bad82411c7ed84569e3d

        SHA1

        cba9c0e511f4c4a1edc1c64f15e127f435d279a4

        SHA256

        4f358bcc176f301b406048f2ce68e912cc4d4447f32483ae4e5bd9f85da2a14e

        SHA512

        4b3350d0f8d4b202d35f91a1b686e644a8ae93957170b38b741ac360e74b46b53e947ed5c237fc605f430cb0e4cf9f871b446e5b8f1cdfad9e4332ae6fb4a102

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

        Filesize

        7KB

        MD5

        eb915e01b15563622aadc8d988b63762

        SHA1

        88f1cf3b22839c8a867851e049c3971433038b0b

        SHA256

        9d58abdc8b8d189418d02230ce174be2e0b0d561975b135a354105e47327bfa9

        SHA512

        6afb718c1dca1948b6ff4b39bb552adda8dcf0eed1c9af365f472c0aacb4cf1e728cef1205c3fbf689294cd6208b9c745f2d8e5bf8c6cb3cec896560b4acf49d

      • memory/1672-4-0x0000000000670000-0x0000000000688000-memory.dmp

        Filesize

        96KB

      • memory/1672-3-0x0000000004B90000-0x0000000004C38000-memory.dmp

        Filesize

        672KB

      • memory/1672-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

        Filesize

        4KB

      • memory/1672-5-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

        Filesize

        4KB

      • memory/1672-6-0x0000000074D90000-0x000000007547E000-memory.dmp

        Filesize

        6.9MB

      • memory/1672-7-0x0000000005010000-0x0000000005092000-memory.dmp

        Filesize

        520KB

      • memory/1672-2-0x0000000074D90000-0x000000007547E000-memory.dmp

        Filesize

        6.9MB

      • memory/1672-1-0x0000000000250000-0x00000000002FC000-memory.dmp

        Filesize

        688KB

      • memory/1672-32-0x0000000074D90000-0x000000007547E000-memory.dmp

        Filesize

        6.9MB

      • memory/2720-30-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2720-31-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2720-29-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2720-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2720-24-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2720-22-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2720-20-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2720-26-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB