Analysis

  • max time kernel
    124s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    17/12/2020, 08:39

General

  • Target
    Pay-u Forms.scr
  • Size 329KB
  • Sample201217-9lr4ssxylx
  • SHA256 4d302b4fd8564f5e3f9b505c0f342ec0e133fca6e5d0c6b3bd89746351561c5b
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • 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.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Pay-u Forms.scr
    "C:\Users\Admin\AppData\Local\Temp\Pay-u Forms.scr" /S
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4704
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\5f4378c5c37745f2adbac23327ae1350.xml"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3168
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\5f4378c5c37745f2adbac23327ae1350.xml"
        3⤵
        • Creates scheduled task(s)
        PID:508

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/4704-4-0x00000000732A0000-0x000000007398E000-memory.dmp

        memory/4704-6-0x0000000005470000-0x00000000054A6000-memory.dmp

        memory/4704-8-0x0000000005B00000-0x0000000005B01000-memory.dmp

        memory/4704-9-0x0000000005800000-0x0000000005801000-memory.dmp

        memory/4704-10-0x00000000057E0000-0x00000000057E1000-memory.dmp

        memory/4704-11-0x0000000006560000-0x0000000006561000-memory.dmp

        memory/4704-12-0x0000000006300000-0x0000000006301000-memory.dmp

        memory/4704-13-0x0000000001150000-0x0000000001151000-memory.dmp