Analysis

  • max time kernel
    106s
  • max time network
    89s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/09/2022, 20:11

General

  • Target

    QUOTATION-XNV (92315).rtf

  • Size

    13KB

  • MD5

    0012daddc2a0ac656d2c8038f783b0f2

  • SHA1

    fbd764b61078efa98859e671ded43c9eab2ef2d8

  • SHA256

    faa0491e44d10919f30790cb570812ff03f055ac1776e1417996dee9027ce7dd

  • SHA512

    42c23b0dd02361ed8c4a3b1761a956f4f297693ed62759efd1ad830b5f42d14d3a5abb7b97fe569c3c3e34e7de55d7b54aaafa88f118ce96638e9bb81b1e39bc

  • SSDEEP

    192:0p3E92py/a+jRH2YKHrYWYslaBqsOI2WqdW7/XprtrFm:0mUYa+jtPkYVssz2xY5ri

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    YAWALESS123@@

Signatures

  • AgentTesla

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

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • 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
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\QUOTATION-XNV (92315).rtf"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1756
    • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
      "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
      1⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Launches Equation Editor
      • Suspicious use of WriteProcessMemory
      PID:1188
      • C:\Users\Admin\AppData\Roaming\plugmngfdh698349.exe
        "C:\Users\Admin\AppData\Roaming\plugmngfdh698349.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1780
        • C:\Users\Admin\AppData\Roaming\plugmngfdh698349.exe
          "C:\Users\Admin\AppData\Roaming\plugmngfdh698349.exe"
          3⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:1048

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Roaming\plugmngfdh698349.exe

            Filesize

            1.1MB

            MD5

            a4f0fc8cbcbb99fa72ca4acf404d4632

            SHA1

            ee0fe775c515371e187dae4db6e21a63cb74c1e7

            SHA256

            16ab4c3282419f791ae1d9192a1976964d1a1152a83fe8d09a7ce2152aed6296

            SHA512

            e29d8c4ef1f87a5a6c4543d981101b201ac784d29add3af14e202d51c6fa67bfc94cd40c24758846ca7c161fc16981577a8b910da73f03a554cbe4830d109f68

          • C:\Users\Admin\AppData\Roaming\plugmngfdh698349.exe

            Filesize

            1.1MB

            MD5

            a4f0fc8cbcbb99fa72ca4acf404d4632

            SHA1

            ee0fe775c515371e187dae4db6e21a63cb74c1e7

            SHA256

            16ab4c3282419f791ae1d9192a1976964d1a1152a83fe8d09a7ce2152aed6296

            SHA512

            e29d8c4ef1f87a5a6c4543d981101b201ac784d29add3af14e202d51c6fa67bfc94cd40c24758846ca7c161fc16981577a8b910da73f03a554cbe4830d109f68

          • C:\Users\Admin\AppData\Roaming\plugmngfdh698349.exe

            Filesize

            1.1MB

            MD5

            a4f0fc8cbcbb99fa72ca4acf404d4632

            SHA1

            ee0fe775c515371e187dae4db6e21a63cb74c1e7

            SHA256

            16ab4c3282419f791ae1d9192a1976964d1a1152a83fe8d09a7ce2152aed6296

            SHA512

            e29d8c4ef1f87a5a6c4543d981101b201ac784d29add3af14e202d51c6fa67bfc94cd40c24758846ca7c161fc16981577a8b910da73f03a554cbe4830d109f68

          • \Users\Admin\AppData\Roaming\plugmngfdh698349.exe

            Filesize

            1.1MB

            MD5

            a4f0fc8cbcbb99fa72ca4acf404d4632

            SHA1

            ee0fe775c515371e187dae4db6e21a63cb74c1e7

            SHA256

            16ab4c3282419f791ae1d9192a1976964d1a1152a83fe8d09a7ce2152aed6296

            SHA512

            e29d8c4ef1f87a5a6c4543d981101b201ac784d29add3af14e202d51c6fa67bfc94cd40c24758846ca7c161fc16981577a8b910da73f03a554cbe4830d109f68

          • \Users\Admin\AppData\Roaming\plugmngfdh698349.exe

            Filesize

            1.1MB

            MD5

            a4f0fc8cbcbb99fa72ca4acf404d4632

            SHA1

            ee0fe775c515371e187dae4db6e21a63cb74c1e7

            SHA256

            16ab4c3282419f791ae1d9192a1976964d1a1152a83fe8d09a7ce2152aed6296

            SHA512

            e29d8c4ef1f87a5a6c4543d981101b201ac784d29add3af14e202d51c6fa67bfc94cd40c24758846ca7c161fc16981577a8b910da73f03a554cbe4830d109f68

          • memory/1048-79-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1048-74-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1048-85-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1048-83-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1048-77-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1048-75-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1048-78-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1756-70-0x000007FEFBE81000-0x000007FEFBE83000-memory.dmp

            Filesize

            8KB

          • memory/1780-68-0x0000000000620000-0x0000000000634000-memory.dmp

            Filesize

            80KB

          • memory/1780-72-0x0000000005AA0000-0x0000000005B74000-memory.dmp

            Filesize

            848KB

          • memory/1780-73-0x0000000004EA0000-0x0000000004F1E000-memory.dmp

            Filesize

            504KB

          • memory/1780-71-0x0000000000680000-0x000000000068C000-memory.dmp

            Filesize

            48KB

          • memory/1780-65-0x00000000001D0000-0x00000000002F0000-memory.dmp

            Filesize

            1.1MB

          • memory/1968-67-0x000000007148D000-0x0000000071498000-memory.dmp

            Filesize

            44KB

          • memory/1968-54-0x0000000072A21000-0x0000000072A24000-memory.dmp

            Filesize

            12KB

          • memory/1968-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/1968-55-0x00000000704A1000-0x00000000704A3000-memory.dmp

            Filesize

            8KB

          • memory/1968-57-0x0000000076141000-0x0000000076143000-memory.dmp

            Filesize

            8KB

          • memory/1968-58-0x000000007148D000-0x0000000071498000-memory.dmp

            Filesize

            44KB

          • memory/1968-87-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/1968-88-0x000000007148D000-0x0000000071498000-memory.dmp

            Filesize

            44KB