Analysis

  • max time kernel
    403s
  • max time network
    406s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2022 14:36

General

  • Target

    TT SWIFT COPY.exe

  • Size

    1.0MB

  • MD5

    8bfedcd7d025aa96faa2334b5b85d959

  • SHA1

    a1b8959fb7b4d32a3adae8071f3a1bb581879737

  • SHA256

    fc41cb9d33a84a20e437091bf78e00938e4b5adb003f6c86370e975912d74dba

  • SHA512

    d40049e5e05ade2a73f3dd0fa31273aa4a060eb661ffbda983053d2642b574a14d46cba280f699a16d104a807921941e6ced71774e0eb36323671b7590415662

  • SSDEEP

    12288:ezlTteyx4xi85V4O4O5R2+nM87kzJNolKR6HkSwx7IkNu07k9md6WqmxyeTHXb5M:UCxRd2s/VlKcZw+mu0xjTrpq8y5dH

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TT SWIFT COPY.exe
    "C:\Users\Admin\AppData\Local\Temp\TT SWIFT COPY.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jYPcLYnWPlhB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8AC3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1496
    • C:\Users\Admin\AppData\Local\Temp\TT SWIFT COPY.exe
      "{path}"
      2⤵
        PID:340
      • C:\Users\Admin\AppData\Local\Temp\TT SWIFT COPY.exe
        "{path}"
        2⤵
          PID:1740
        • C:\Users\Admin\AppData\Local\Temp\TT SWIFT COPY.exe
          "{path}"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:1980

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp8AC3.tmp

        Filesize

        1KB

        MD5

        9b714aacd4f291e0e1f0f6df5ed21943

        SHA1

        f735ebb4b2305c59ee0896adc9273072ddbef408

        SHA256

        cfda451feb317e74df313851cd051d349b95531fbdbb511379629da96664fd3f

        SHA512

        97cb41858dd6eaf19153299213b36eefa9e5b7d8efcbf59c93711cabda49eea7e418e70bc1cfe8fb774b367ca5648ab02e27e37dab920a6018961ac07a19a9fa

      • memory/1496-59-0x0000000000000000-mapping.dmp

      • memory/1636-57-0x0000000005770000-0x0000000005800000-memory.dmp

        Filesize

        576KB

      • memory/1636-54-0x0000000000190000-0x00000000002A0000-memory.dmp

        Filesize

        1.1MB

      • memory/1636-58-0x00000000051C0000-0x0000000005210000-memory.dmp

        Filesize

        320KB

      • memory/1636-56-0x0000000000640000-0x0000000000652000-memory.dmp

        Filesize

        72KB

      • memory/1636-55-0x00000000762F1000-0x00000000762F3000-memory.dmp

        Filesize

        8KB

      • memory/1980-61-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/1980-62-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/1980-64-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/1980-65-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/1980-67-0x000000000043242E-mapping.dmp

      • memory/1980-66-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/1980-69-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/1980-71-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB