Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-07-2024 18:30

General

  • Target

    Akb38lKYd6rDV8l.exe

  • Size

    760KB

  • MD5

    c9101fc66be35a3746ffea8e448c5119

  • SHA1

    453297f427c9c7a9b0e3a79fe4885d5d7c12af98

  • SHA256

    9022ec12d1c63779111d34993afd7aa58f7a7ed7087271c52f2300dee80c7f89

  • SHA512

    76efa88ad4a8d82b0b10abdc4dbb91db659e7ed4e9a9e4df6be8942f4235ad11ca27492907892da4cc82321be54056401b7caa1725a953784cab5bd1744bbdad

  • SSDEEP

    12288:ICc0CBN2iN/ougr+OAnK3Uv4ybDHpT4fN6AhDALgVWTsY/sQj14GB:ICc0CBN1F7tOcK3Uv4yB4dhcMgAAJ

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dy13

Decoy

manga-house.com

kjsdhklssk51.xyz

b0ba138.xyz

bt365033.com

ccbsinc.net

mrwine.xyz

nrxkrd527o.xyz

hoshi.social

1912ai.com

serco2020.com

byfchfyr.xyz

imuschestvostorgov.online

austinheafey.com

mrdfa.club

883106.photos

profitablefxmarkets.com

taini00.net

brye.top

ginsm.com

sportglid.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
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3532
    • C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe
      "C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4684
      • C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe
        "C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe"
        3⤵
          PID:3872
        • C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe
          "C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:408
      • C:\Windows\SysWOW64\NETSTAT.EXE
        "C:\Windows\SysWOW64\NETSTAT.EXE"
        2⤵
        • Suspicious use of SetThreadContext
        • Gathers network information
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:984
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe"
          3⤵
            PID:3320

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/408-14-0x00000000011A0000-0x00000000014EA000-memory.dmp

        Filesize

        3.3MB

      • memory/408-16-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/408-17-0x0000000000D10000-0x0000000000D25000-memory.dmp

        Filesize

        84KB

      • memory/408-11-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/984-21-0x0000000000CD0000-0x0000000000CFF000-memory.dmp

        Filesize

        188KB

      • memory/984-20-0x0000000000440000-0x000000000044B000-memory.dmp

        Filesize

        44KB

      • memory/984-19-0x0000000000440000-0x000000000044B000-memory.dmp

        Filesize

        44KB

      • memory/3532-30-0x0000000008820000-0x000000000898E000-memory.dmp

        Filesize

        1.4MB

      • memory/3532-27-0x0000000008820000-0x000000000898E000-memory.dmp

        Filesize

        1.4MB

      • memory/3532-25-0x0000000008820000-0x000000000898E000-memory.dmp

        Filesize

        1.4MB

      • memory/3532-23-0x0000000004AF0000-0x0000000004BA8000-memory.dmp

        Filesize

        736KB

      • memory/3532-18-0x0000000004AF0000-0x0000000004BA8000-memory.dmp

        Filesize

        736KB

      • memory/4684-6-0x0000000005370000-0x0000000005382000-memory.dmp

        Filesize

        72KB

      • memory/4684-13-0x0000000074FB0000-0x0000000075760000-memory.dmp

        Filesize

        7.7MB

      • memory/4684-10-0x0000000006680000-0x000000000671C000-memory.dmp

        Filesize

        624KB

      • memory/4684-9-0x00000000063C0000-0x0000000006436000-memory.dmp

        Filesize

        472KB

      • memory/4684-8-0x00000000055E0000-0x00000000055EE000-memory.dmp

        Filesize

        56KB

      • memory/4684-7-0x00000000055D0000-0x00000000055D8000-memory.dmp

        Filesize

        32KB

      • memory/4684-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

        Filesize

        4KB

      • memory/4684-5-0x0000000074FB0000-0x0000000075760000-memory.dmp

        Filesize

        7.7MB

      • memory/4684-4-0x00000000052A0000-0x00000000052AA000-memory.dmp

        Filesize

        40KB

      • memory/4684-3-0x0000000005200000-0x0000000005292000-memory.dmp

        Filesize

        584KB

      • memory/4684-2-0x0000000005710000-0x0000000005CB4000-memory.dmp

        Filesize

        5.6MB

      • memory/4684-1-0x0000000000720000-0x00000000007E4000-memory.dmp

        Filesize

        784KB