Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    04/08/2020, 12:59

General

  • Target
    dhlShipment Document BL,INV and Packing List Attached.exe
  • Size 759KB
  • Sample200804-5tqa8xhtda
  • SHA256 19f43d1f8fd11eccbdb2d9ce05a16983fe394cbd92943bc57943e4bbbb686687
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Formbook Payload 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Formbook

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    • Suspicious use of FindShellTrayWindow
    • Checks whether UAC is enabled
    PID:1224
    • C:\Users\Admin\AppData\Local\Temp\dhlShipment Document BL,INV and Packing List Attached.exe
      "C:\Users\Admin\AppData\Local\Temp\dhlShipment Document BL,INV and Packing List Attached.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1152
      • C:\Users\Admin\AppData\Local\Temp\dhlShipment Document BL,INV and Packing List Attached.exe
        "{path}"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious behavior: EnumeratesProcesses
        PID:1780
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • Adds Run key to start application
      • Modifies Internet Explorer settings
      PID:1784
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\dhlShipment Document BL,INV and Packing List Attached.exe"
        3⤵
        • Deletes itself
        PID:1896
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:860

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/860-12-0x000000013F100000-0x000000013F193000-memory.dmp

          memory/1780-2-0x0000000000400000-0x000000000042E000-memory.dmp

          memory/1784-5-0x0000000000EE0000-0x0000000000F06000-memory.dmp

          memory/1784-10-0x0000000004380000-0x00000000044BB000-memory.dmp

          memory/1784-9-0x0000000074D10000-0x0000000074E2D000-memory.dmp

          memory/1784-8-0x0000000074BD0000-0x0000000074BDC000-memory.dmp

          memory/1784-7-0x0000000000E10000-0x0000000000EC4000-memory.dmp