Analysis

  • max time kernel
    147s
  • max time network
    8s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 07:31

General

  • Target
    RFQ#116236SO#929198.exe
  • Size 822KB
  • Sample201019-ahv6bmthd2
  • SHA256 e232dc56a916d659961271caf129b47c5fa561f71ecff17f6c96801cd7b50820
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

C2
  • http://www.squirewatchbands.com/vrf/

Decoy
  • emarketer.xyz

  • erinandrobert2021.com

  • naturalfemina.com

  • brittanyhertz.com

  • wwwtravelblocks.com

  • datilerabotique.com

  • termoindustrias.com

  • kilameq.info

  • cdmcigar.com

  • 2vnt33.com

  • greatstape.com

  • johannahshaven.com

  • avishparalkar.net

  • jdjmijou.club

  • kechevere.com

  • blackstonedynamics.com

  • bomoolah.com

  • creditomedico.com

  • zerongjd.com

  • nyysnkee.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Users\Admin\AppData\Local\Temp\RFQ#116236SO#929198.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ#116236SO#929198.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1588
      • C:\Users\Admin\AppData\Local\Temp\RFQ#116236SO#929198.exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ#116236SO#929198.exe"
        3⤵
          PID:1984
        • C:\Users\Admin\AppData\Local\Temp\RFQ#116236SO#929198.exe
          "C:\Users\Admin\AppData\Local\Temp\RFQ#116236SO#929198.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1960
      • C:\Windows\SysWOW64\chkdsk.exe
        "C:\Windows\SysWOW64\chkdsk.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2044
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\RFQ#116236SO#929198.exe"
          3⤵
          • Deletes itself
          PID:2032

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1228-8-0x0000000004920000-0x0000000004A2C000-memory.dmp

          memory/1588-0-0x0000000073AF0000-0x00000000741DE000-memory.dmp

          memory/1588-1-0x0000000001080000-0x0000000001081000-memory.dmp

          memory/1588-3-0x0000000000490000-0x000000000049B000-memory.dmp

          memory/1588-4-0x0000000004EA0000-0x0000000004F05000-memory.dmp

          memory/1588-5-0x0000000001030000-0x0000000001060000-memory.dmp

          memory/1960-6-0x0000000000400000-0x000000000042E000-memory.dmp

          memory/2044-10-0x0000000000260000-0x0000000000267000-memory.dmp

          memory/2044-12-0x0000000003120000-0x0000000003257000-memory.dmp