Analysis

  • max time kernel
    87s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    09-07-2020 06:42

General

  • Target

    invoice 20SMX0701006N20SMX0701007N.exe

  • Size

    738KB

  • MD5

    f19e6a2e94a9e8df79bba2be0f615382

  • SHA1

    11392f28bb332471e769a262f7e75cdbe618e939

  • SHA256

    21ae6a2cb858073f8ef1089c949f36fd890f79a9b5f2385f945b1bc7a8a4da76

  • SHA512

    a14bbb3ee0d4ac3f76ca500e9fadbfcd8d4eeaf18db52b8ad00143b1956e0b4f580b2e25b0ad98679d7ad4777beae21d5fd0ab1fde169d37117c975e7b9d18d7

Malware Config

Signatures

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Suspicious use of WriteProcessMemory 17 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • AgentTesla

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

Processes

  • C:\Users\Admin\AppData\Local\Temp\invoice 20SMX0701006N20SMX0701007N.exe
    "C:\Users\Admin\AppData\Local\Temp\invoice 20SMX0701006N20SMX0701007N.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1500
    • C:\Users\Admin\AppData\Local\Temp\invoice 20SMX0701006N20SMX0701007N.exe
      "{path}"
      2⤵
        PID:1792
      • C:\Users\Admin\AppData\Local\Temp\invoice 20SMX0701006N20SMX0701007N.exe
        "{path}"
        2⤵
          PID:1808
        • C:\Users\Admin\AppData\Local\Temp\invoice 20SMX0701006N20SMX0701007N.exe
          "{path}"
          2⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:1840

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Credential Access

      Credentials in Files

      3
      T1081

      Collection

      Data from Local System

      3
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1840-0-0x0000000000400000-0x000000000044C000-memory.dmp
        Filesize

        304KB

      • memory/1840-1-0x0000000000446B9E-mapping.dmp
      • memory/1840-2-0x0000000000400000-0x000000000044C000-memory.dmp
        Filesize

        304KB

      • memory/1840-3-0x0000000000400000-0x000000000044C000-memory.dmp
        Filesize

        304KB