Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2023 01:54

General

  • Target

    tmp.exe

  • Size

    710KB

  • MD5

    493562fc3240d634f797be4a433d72c7

  • SHA1

    92569595aa0a20d9937bd03525a756dd35059d3b

  • SHA256

    6b73ab2cf730e26c8609e57d23e09260d6c74db84f29ae6f786129f7a3b6512b

  • SHA512

    70eb16d06d38d80cc4513962f6fbdeda54e6ec2bc30caa9fb112d3cd355b12c088426c823d3d4a3e315209b3fc908c0339e9cdc8de99462e87eba311f4801a75

  • SSDEEP

    12288:406gna2iNP1UIkvEbtOgVt3KB6bxxXRZEG/p8fD5mcjtqlg6utz5l96OXaq:XTa1F14ot1aIxxAop+mc0g6MNa

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ro12

Decoy

start399.com

decyfincoin.com

binguozhijiaok.com

one45.vip

55dy5s.top

regmt.pro

2ahxgaafifl.com

xn--6rtp2flvfc2h.com

justinmburns.com

los3.online

fleshaaikensdivinegiven7llc.com

servicedelv.services

apexcaryhomesforsale.com

shuraop.xyz

sagetotal.com

gratitude-et-compagnie.com

riderarea.com

digitalserviceact.online

contentbyc.com

agenda-digital-planner.com

Signatures

  • Formbook

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

  • Formbook payload 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 39 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3324
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Users\Admin\AppData\Local\Temp\tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
        3⤵
          PID:2688
        • C:\Users\Admin\AppData\Local\Temp\tmp.exe
          "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:2868
      • C:\Windows\SysWOW64\control.exe
        "C:\Windows\SysWOW64\control.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3372
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
          3⤵
            PID:3784

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2612-14-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/2612-1-0x00000000005A0000-0x0000000000658000-memory.dmp

        Filesize

        736KB

      • memory/2612-2-0x0000000005590000-0x0000000005B34000-memory.dmp

        Filesize

        5.6MB

      • memory/2612-3-0x0000000004EF0000-0x0000000004F82000-memory.dmp

        Filesize

        584KB

      • memory/2612-4-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/2612-5-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

        Filesize

        64KB

      • memory/2612-6-0x0000000005200000-0x000000000520A000-memory.dmp

        Filesize

        40KB

      • memory/2612-7-0x0000000005560000-0x0000000005578000-memory.dmp

        Filesize

        96KB

      • memory/2612-8-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

        Filesize

        64KB

      • memory/2612-9-0x0000000000A20000-0x0000000000A2A000-memory.dmp

        Filesize

        40KB

      • memory/2612-10-0x0000000005050000-0x00000000050BE000-memory.dmp

        Filesize

        440KB

      • memory/2612-11-0x0000000008910000-0x00000000089AC000-memory.dmp

        Filesize

        624KB

      • memory/2612-0-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/2868-15-0x0000000001440000-0x000000000178A000-memory.dmp

        Filesize

        3.3MB

      • memory/2868-12-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/2868-17-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/2868-18-0x00000000013D0000-0x00000000013E4000-memory.dmp

        Filesize

        80KB

      • memory/3324-25-0x0000000008B20000-0x0000000008CA2000-memory.dmp

        Filesize

        1.5MB

      • memory/3324-19-0x0000000008B20000-0x0000000008CA2000-memory.dmp

        Filesize

        1.5MB

      • memory/3324-28-0x00000000090C0000-0x000000000923F000-memory.dmp

        Filesize

        1.5MB

      • memory/3324-29-0x00000000090C0000-0x000000000923F000-memory.dmp

        Filesize

        1.5MB

      • memory/3324-31-0x00000000090C0000-0x000000000923F000-memory.dmp

        Filesize

        1.5MB

      • memory/3372-20-0x00000000001A0000-0x00000000001C7000-memory.dmp

        Filesize

        156KB

      • memory/3372-21-0x00000000001A0000-0x00000000001C7000-memory.dmp

        Filesize

        156KB

      • memory/3372-22-0x0000000001210000-0x000000000123F000-memory.dmp

        Filesize

        188KB

      • memory/3372-23-0x0000000003130000-0x000000000347A000-memory.dmp

        Filesize

        3.3MB

      • memory/3372-24-0x0000000001210000-0x000000000123F000-memory.dmp

        Filesize

        188KB

      • memory/3372-27-0x0000000003040000-0x00000000030D3000-memory.dmp

        Filesize

        588KB