Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09/12/2020, 14:39

General

  • Target
    anthony.exe
  • Size 389KB
  • Sample201209-ep6zekhmkn
  • SHA256 881dc085a9c46e3e31ad8189720dc6e16a7f3b40a6de30d6cadd088c0f769bec
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

C2
  • http://www.wellnesspharma.net/94sb/

Decoy
  • kaligao.com

  • springsbounce.com

  • dreamytree.com

  • trylolows.com

  • butload.info

  • creperie-pancakesquare.com

  • mirajions.com

  • joineduphealthresources.net

  • hamradioblogs.com

  • linghuidz.com

  • atelierzeste.com

  • tweens.network

  • perteprampram03.net

  • connorneill.com

  • nannatech.com

  • chrmo.com

  • nanoring.info

  • mapomarket.com

  • bongkey.com

  • sdhhzp.com

Signatures

  • Formbook

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

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\anthony.exe
      "C:\Users\Admin\AppData\Local\Temp\anthony.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\system32\rundll32.exe Formicarium,Chechako
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1264
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          4⤵
            PID:1520
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe"
            4⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            PID:1444
      • C:\Windows\SysWOW64\raserver.exe
        "C:\Windows\SysWOW64\raserver.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:668
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Windows\SysWOW64\cmd.exe"
          3⤵
            PID:1052

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            memory/668-10-0x00000000006F0000-0x000000000070C000-memory.dmp

            memory/668-12-0x0000000004100000-0x0000000004231000-memory.dmp

            memory/1236-8-0x0000000006560000-0x00000000066BB000-memory.dmp

            memory/1264-6-0x00000000006F0000-0x0000000000719000-memory.dmp