Analysis

  • max time kernel
    147s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    01/07/2020, 14:40

General

  • Target
    REVISED NEW PURCHASE ORDER.exe
  • Size 358KB
  • Sample200701-qfwfbrjhds
  • SHA256 086616679314c8f75f9fa03cc722a56008166c8e9c8a63a653ed45d35628fdf4
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Suspicious behavior: EnumeratesProcesses 45 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Program Files directory 1 IoCs
  • Formbook

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

  • Adds Run entry to policy start application 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 94 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • Suspicious behavior: MapViewOfSection 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3020
    • C:\Users\Admin\AppData\Local\Temp\REVISED NEW PURCHASE ORDER.exe
      "C:\Users\Admin\AppData\Local\Temp\REVISED NEW PURCHASE ORDER.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3100
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\system32\rundll32.exe SkylabDewar,Hemlock
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        • Loads dropped DLL
        • Suspicious behavior: MapViewOfSection
        PID:3064
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:3312
          • C:\Windows\SysWOW64\cscript.exe
            "C:\Windows\SysWOW64\cscript.exe"
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Drops file in Program Files directory
            • Adds Run entry to policy start application
            • Modifies Internet Explorer settings
            • Suspicious use of SetThreadContext
            • System policy modification
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            PID:3956
            • C:\Windows\SysWOW64\cmd.exe
              /c del "C:\Windows\SysWOW64\cmd.exe"
              6⤵
                PID:3616
              • 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
                6⤵
                  PID:912
                • C:\Program Files\Mozilla Firefox\Firefox.exe
                  "C:\Program Files\Mozilla Firefox\Firefox.exe"
                  6⤵
                    PID:1300
          • C:\Windows\SysWOW64\autochk.exe
            "C:\Windows\SysWOW64\autochk.exe"
            2⤵
              PID:3820
            • C:\Windows\SysWOW64\autochk.exe
              "C:\Windows\SysWOW64\autochk.exe"
              2⤵
                PID:3380
              • C:\Windows\SysWOW64\autochk.exe
                "C:\Windows\SysWOW64\autochk.exe"
                2⤵
                  PID:3932

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    memory/1300-15-0x00007FF7ADB50000-0x00007FF7ADBE3000-memory.dmp

                    memory/1300-14-0x00007FF7ADB50000-0x00007FF7ADBE3000-memory.dmp

                    memory/1300-16-0x00007FF7ADB50000-0x00007FF7ADBE3000-memory.dmp

                    memory/3956-9-0x0000000005730000-0x0000000005833000-memory.dmp

                    memory/3956-12-0x0000000006540000-0x000000000661A000-memory.dmp

                    memory/3956-7-0x0000000000160000-0x0000000000187000-memory.dmp

                    memory/3956-6-0x0000000000160000-0x0000000000187000-memory.dmp