Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 08:23

General

  • Target

    48de7633a9738c2392d6a449f59fcbcb.exe

  • Size

    1.6MB

  • MD5

    48de7633a9738c2392d6a449f59fcbcb

  • SHA1

    f30905ce8f900e86f67d27bda53e1e8e42885356

  • SHA256

    d722071e87692ef2f7b94aa22e2b5153219dea78de81315b8fdaf18a3dc4cf6a

  • SHA512

    e8976d81a2d0039a90ccb5ddfc5dc86e541b59625a0f3901e6e3a422e1873290f8bcc936fa27b53b56411c9fc98bb7eac90f58c9b31d2d2c6750a40dece0bea2

  • SSDEEP

    49152:IAodtaG9kS2U84B+FLan9k5TRM9zlFVjrW22:Y/B1x2

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kmge

Decoy

jia0752d.com

cq0jt.sbs

whimsicalweddingrentals.com

meetsex-here.life

hhe-crv220.com

bedbillionaire.com

soycmo.com

mrawkward.xyz

11ramshornroad.com

motoyonaturals.com

thischicloves.com

gacorbet.pro

ihsanid.com

pancaketurner.com

santanarstore.com

cr3dtv.com

negotools.com

landfillequip.com

sejasuapropriachefe.com

diamant-verkopen.store

Signatures

  • Formbook

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

  • Formbook payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\48de7633a9738c2392d6a449f59fcbcb.exe
    "C:\Users\Admin\AppData\Local\Temp\48de7633a9738c2392d6a449f59fcbcb.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:UserProfile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2780
    • C:\Windows\System32\svchost.exe
      "C:\Windows\System32\svchost.exe"
      2⤵
        PID:4316
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
        2⤵
          PID:3276
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3276 -s 20
            3⤵
            • Program crash
            PID:4352
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3276 -ip 3276
        1⤵
          PID:2148

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_y5mln3wk.c3r.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/2780-0-0x00007FFF718A3000-0x00007FFF718A5000-memory.dmp

          Filesize

          8KB

        • memory/2780-1-0x0000019DD61D0000-0x0000019DD61F2000-memory.dmp

          Filesize

          136KB

        • memory/2780-11-0x00007FFF718A0000-0x00007FFF72361000-memory.dmp

          Filesize

          10.8MB

        • memory/2780-12-0x00007FFF718A0000-0x00007FFF72361000-memory.dmp

          Filesize

          10.8MB

        • memory/2780-17-0x00007FFF718A0000-0x00007FFF72361000-memory.dmp

          Filesize

          10.8MB

        • memory/3276-16-0x0000000000400000-0x000000000042F000-memory.dmp

          Filesize

          188KB