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Analysis

  • max time kernel
    90s
  • max time network
    79s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/11/2022, 05:52

General

  • Target

    freight invoices no 5634521.exe

  • Size

    6KB

  • MD5

    78e6732cbb52224998c71e85f84aa0aa

  • SHA1

    e2104d3f3b71ffb5f955f26dc42ec750e942e5bb

  • SHA256

    d2e229f7b947a970e3e102a72c3029ae532306c846186696bf275abf9a182a97

  • SHA512

    2b3174b3bb8d55a0af5a43ee9704d140ae465869ab127d093da512ef9bebc75f7900c88a70e93318ac86f1899bbc0829bb02d32d1ac5ad25b73c79b708b3ad0e

  • SSDEEP

    96:PbGgkLgKQBpTZ1rq+khl7kXyHhnl674F3GnUODL:PbGgkMF9Y+kP7kX61ZFv0

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5544798312:AAFCE9wlKN3YHM9MGYnKgWUb8D_lz2PBmQ8/

Signatures

  • AgentTesla

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

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\freight invoices no 5634521.exe
    "C:\Users\Admin\AppData\Local\Temp\freight invoices no 5634521.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1028
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:992
    • C:\Users\Admin\AppData\Local\Temp\freight invoices no 5634521.exe
      "C:\Users\Admin\AppData\Local\Temp\freight invoices no 5634521.exe"
      2⤵
        PID:1164
      • C:\Users\Admin\AppData\Local\Temp\freight invoices no 5634521.exe
        "C:\Users\Admin\AppData\Local\Temp\freight invoices no 5634521.exe"
        2⤵
          PID:1408
        • C:\Users\Admin\AppData\Local\Temp\freight invoices no 5634521.exe
          "C:\Users\Admin\AppData\Local\Temp\freight invoices no 5634521.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:1160

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/992-61-0x000000006EE00000-0x000000006F3AB000-memory.dmp

        Filesize

        5.7MB

      • memory/992-59-0x000000006EE00000-0x000000006F3AB000-memory.dmp

        Filesize

        5.7MB

      • memory/992-60-0x000000006EE00000-0x000000006F3AB000-memory.dmp

        Filesize

        5.7MB

      • memory/1028-54-0x0000000000240000-0x0000000000248000-memory.dmp

        Filesize

        32KB

      • memory/1028-56-0x0000000008B00000-0x0000000008D32000-memory.dmp

        Filesize

        2.2MB

      • memory/1028-55-0x0000000075071000-0x0000000075073000-memory.dmp

        Filesize

        8KB

      • memory/1160-66-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/1160-63-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/1160-65-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/1160-62-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/1160-67-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/1160-70-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/1160-72-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB