Overview

overview

10

Static

static

STdCUUIWc6ThD1c.exe

windows7_x64

10

STdCUUIWc6ThD1c.exe

windows10_x64

10

Analysis

  • max time kernel
    146s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    07/07/2020, 09:44

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General

  • Target

    STdCUUIWc6ThD1c.exe

  • Size

    429KB

  • MD5

    372f3141f5bbca51025428b7d5544b2d

  • SHA1

    b26c353e3dfdc4f8423e8df6ec7134f34cd2cee1

  • SHA256

    7aec5714f249052bfb6d9195ee09affa5817bb20fb1096bb49bbc2fb10048e75

  • SHA512

    c2ab6efae09366813608151a3252cf729a70ed117a053ffb9ea3df9f30e256d447dbdd4fc99409d4919ef5d33b5ee38782a148fad89a75c18fa5e85cbe4fdb17

Score
10/10
spywaretrojanstealerformbookpersistence

Malware Config

Signatures

  • Drops file in Program Files directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

    trojanspywarestealerformbook
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • System policy modification 1 TTPs 1 IoCs
    evasion
  • Adds Run entry to policy start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of WriteProcessMemory 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of SetThreadContext 3 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    PID:3044
    • C:\Users\Admin\AppData\Local\Temp\STdCUUIWc6ThD1c.exe
      "C:\Users\Admin\AppData\Local\Temp\STdCUUIWc6ThD1c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetThreadContext
      PID:4004
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FtKjUcBbBRmkY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5039.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:2232
      • C:\Users\Admin\AppData\Local\Temp\STdCUUIWc6ThD1c.exe
        "{path}"
        3⤵
          PID:2792
        • C:\Users\Admin\AppData\Local\Temp\STdCUUIWc6ThD1c.exe
          "{path}"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetThreadContext
          PID:2816
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\SysWOW64\svchost.exe"
        2⤵
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Modifies Internet Explorer settings
        • System policy modification
        • Adds Run entry to policy start application
        • Suspicious use of WriteProcessMemory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetThreadContext
        PID:3500
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\STdCUUIWc6ThD1c.exe"
          3⤵
            PID:3896
          • C:\Windows\SysWOW64\cmd.exe
            /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
            3⤵
              PID:1880

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/2816-2-0x0000000000400000-0x000000000042A000-memory.dmp

          Filesize

          168KB

          Download

        • memory/3500-9-0x0000000004160000-0x000000000429A000-memory.dmp

          Filesize

          1.2MB

          Download

        • memory/3500-7-0x00000000008F0000-0x00000000008FC000-memory.dmp

          Filesize

          48KB

          Download

        • memory/3500-6-0x00000000008F0000-0x00000000008FC000-memory.dmp

          Filesize

          48KB

          Download