Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/09/2024, 01:13

General

  • Target
    1eaa86eac4b0e31012c5df0094bbbf2ce39a270baae540d0044de1a7f5226f93.exe
  • Size 1.6MB
  • Sample240926-blgdeaycjp
  • SHA256 ed2ac5e893ba48ab637927b1ea3092fa88f0c5ac83125d63c2bf6983f5fe9592
  • MD5 SHA1 SHA512 SSDEEP

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 3 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.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3424
    • C:\Users\Admin\AppData\Local\Temp\1eaa86eac4b0e31012c5df0094bbbf2ce39a270baae540d0044de1a7f5226f93.exe
      "C:\Users\Admin\AppData\Local\Temp\1eaa86eac4b0e31012c5df0094bbbf2ce39a270baae540d0044de1a7f5226f93.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4376
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:UserProfile
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:960
      • C:\Windows\System32\svchost.exe
        "C:\Windows\System32\svchost.exe"
        3⤵
          PID:2292
        • C:\Program Files (x86)\Windows Mail\wab.exe
          "C:\Program Files (x86)\Windows Mail\wab.exe"
          3⤵
            PID:3864
          • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
            "C:\Program Files (x86)\Windows Media Player\wmplayer.exe"
            3⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            PID:5040
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\SysWOW64\svchost.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4604
          • C:\Windows\SysWOW64\cmd.exe
            /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
            3⤵
            • System Location Discovery: System Language Discovery
            PID:396
          • C:\Program Files\Mozilla Firefox\Firefox.exe
            "C:\Program Files\Mozilla Firefox\Firefox.exe"
            3⤵
              PID:4068

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              DB1

              • Path C:\Users\Admin\AppData\Local\Temp\DB1
              • Size 40KB
              • SHA256 42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914
              • MD5 SHA1 SHA512 SSDEEP

              __PSScriptPolicyTest_njqc4s4g.1ih.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_njqc4s4g.1ih.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512

              LK3logim.jpeg

              • Path C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logim.jpeg
              • Size 85KB
              • SHA256 e0f376c8cb921ba7b1fed0e7dde2a82bf52f59df2a36ce8fd86531a0fcbced44
              • MD5 SHA1 SHA512 SSDEEP

              LK3logrf.ini

              • Path C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrf.ini
              • Size 40B
              • SHA256 1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361
              • MD5 SHA1 SHA512

              LK3logrg.ini

              • Path C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrg.ini
              • Size 38B
              • SHA256 75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56
              • MD5 SHA1 SHA512

              LK3logri.ini

              • Path C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logri.ini
              • Size 40B
              • SHA256 eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae
              • MD5 SHA1 SHA512

              LK3logrv.ini

              • Path C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrv.ini
              • Size 872B
              • SHA256 ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb
              • MD5 SHA1 SHA512

              memory/960-1-0x00000242778F0000-0x0000024277912000-memory.dmp

              memory/960-11-0x00007FFBA6ED0000-0x00007FFBA7991000-memory.dmp

              memory/960-12-0x00007FFBA6ED0000-0x00007FFBA7991000-memory.dmp

              memory/960-16-0x00007FFBA6ED0000-0x00007FFBA7991000-memory.dmp

              memory/960-0-0x00007FFBA6ED3000-0x00007FFBA6ED5000-memory.dmp

              memory/3424-22-0x00000000084E0000-0x000000000862B000-memory.dmp

              memory/3424-41-0x00000000084E0000-0x000000000862B000-memory.dmp

              memory/3424-46-0x000000000A290000-0x000000000A417000-memory.dmp

              memory/4604-26-0x0000000000A80000-0x0000000000AAF000-memory.dmp

              memory/4604-25-0x00000000000C0000-0x00000000000CE000-memory.dmp

              memory/4604-23-0x00000000000C0000-0x00000000000CE000-memory.dmp

              memory/5040-20-0x0000000000400000-0x000000000042F000-memory.dmp

              memory/5040-21-0x00000000014C0000-0x00000000014D4000-memory.dmp

              memory/5040-18-0x00000000015C0000-0x000000000190A000-memory.dmp

              memory/5040-17-0x0000000000400000-0x000000000042F000-memory.dmp