Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    29/12/2020, 08:00

General

  • Target
    Confirm.exe
  • Size 819KB
  • Sample201229-wt7kyym432
  • SHA256 a2d9b5d16fcae146b34d3ed40bb6444d4b4bb497ed63e8f4d720af4d24cb5450
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

C2
  • http://www.deuxus.com/t052/

Decoy
  • ladybug-learning.com

  • unforgottenstory.com

  • oldmopaiv.xyz

  • natashaexim.com

  • hannahmcelgunn.com

  • retargetingmachines.info

  • njoconline.com

  • unicornlankadelivery.com

  • giftkerala.com

  • englishfordoctors.online

  • schatzilandrvresort.com

  • brujoisaac.com

  • basiccampinggear.com

  • escapees.today

  • dgyxsy888.com

  • stevebana.xyz

  • mimozakebap.com

  • ezdoff.com

  • pluumyspalace.com

  • shaoshanshan.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Users\Admin\AppData\Local\Temp\Confirm.exe
      "C:\Users\Admin\AppData\Local\Temp\Confirm.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3888
      • C:\Users\Admin\AppData\Local\Temp\Confirm.exe
        "C:\Users\Admin\AppData\Local\Temp\Confirm.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3960
    • C:\Windows\SysWOW64\msdt.exe
      "C:\Windows\SysWOW64\msdt.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Confirm.exe"
        3⤵
          PID:8

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2760-19-0x00000000058E0000-0x00000000059AA000-memory.dmp

          memory/2760-17-0x0000000000350000-0x00000000004C3000-memory.dmp

          memory/2760-16-0x0000000000350000-0x00000000004C3000-memory.dmp

          memory/3888-7-0x0000000005600000-0x0000000005601000-memory.dmp

          memory/3888-9-0x0000000005790000-0x0000000005791000-memory.dmp

          memory/3888-10-0x0000000003160000-0x0000000003166000-memory.dmp

          memory/3888-11-0x0000000006380000-0x00000000063F7000-memory.dmp

          memory/3888-12-0x0000000006400000-0x0000000006456000-memory.dmp

          memory/3888-8-0x0000000003140000-0x0000000003141000-memory.dmp

          memory/3888-2-0x0000000073A20000-0x000000007410E000-memory.dmp

          memory/3888-6-0x0000000005BC0000-0x0000000005BC1000-memory.dmp

          memory/3888-5-0x00000000054C0000-0x00000000054C1000-memory.dmp

          memory/3888-3-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

          memory/3960-13-0x0000000000400000-0x000000000042E000-memory.dmp