Analysis

  • max time kernel
    146s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2024 10:00

General

  • Target

    2d29191fb5dd27ba947a5c7adfaaa5cc643bf7475e37c1d7825f4b7bf02e93ed.exe

  • Size

    1.4MB

  • MD5

    bccb4486f1e982d371742a1b178f096b

  • SHA1

    5cb21784a1174c30f723b3f6bbf3f775292118aa

  • SHA256

    8e494fa1ea9ae24f5261f0c38c8aaae8fa2566ca08f95287f3c326eaa98c0e09

  • SHA512

    29d53241a30a9fb347efbd114f7890925d840f46df10ed801d016436a11e34ad4abd3514a8442501ff7812606256cd35a5e231e2292cb6029a6f0fbf27a9c191

  • SSDEEP

    12288:Xm5tWd+qExpizJ10dJYHOZ8iyQvR7OAsRluo+KMF7z:M/xpizsdJtbPKvRUnKE7z

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.

  • UAC bypass 3 TTPs 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 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 29 IoCs
  • Suspicious behavior: MapViewOfSection 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Users\Admin\AppData\Local\Temp\2d29191fb5dd27ba947a5c7adfaaa5cc643bf7475e37c1d7825f4b7bf02e93ed.exe
      "C:\Users\Admin\AppData\Local\Temp\2d29191fb5dd27ba947a5c7adfaaa5cc643bf7475e37c1d7825f4b7bf02e93ed.exe"
      2⤵
      • UAC bypass
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:3012
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2d29191fb5dd27ba947a5c7adfaaa5cc643bf7475e37c1d7825f4b7bf02e93ed.exe" -Force
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1996
      • C:\Windows\System32\calc.exe
        "C:\Windows\System32\calc.exe"
        3⤵
          PID:2376
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
          3⤵
            PID:2528
          • C:\Windows\System32\notepad.exe
            "C:\Windows\System32\notepad.exe"
            3⤵
              PID:2172
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
              3⤵
                PID:2540
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
                3⤵
                  PID:2652
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
                  3⤵
                    PID:2972
                  • C:\Windows\System32\svchost.exe
                    "C:\Windows\System32\svchost.exe"
                    3⤵
                      PID:2440
                    • 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:3020
                    • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
                      "C:\Program Files (x86)\Windows Media Player\wmplayer.exe"
                      3⤵
                        PID:2548
                    • C:\Windows\SysWOW64\cmstp.exe
                      "C:\Windows\SysWOW64\cmstp.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:2452
                      • C:\Program Files\Mozilla Firefox\Firefox.exe
                        "C:\Program Files\Mozilla Firefox\Firefox.exe"
                        3⤵
                          PID:2768

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logim.jpeg

                      Filesize

                      67KB

                      MD5

                      05ae0f685a9fe06df9bb39c48620eed2

                      SHA1

                      ebd3ec0bebbd54b72b0bccdf796eb16b6e814ebf

                      SHA256

                      6ebea00f027af579bbec3b3673065ff309f36077253f4198ae87874f1fa5ac4b

                      SHA512

                      a37ea3ed11b6d22eaf1d5fc563394537569e729e9d0b1399d32682f3eab75c70cb3b988a23ca4a5f2a44c70153efe5c5cf981a952884a67f10a089cc9f601949

                    • C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrf.ini

                      Filesize

                      40B

                      MD5

                      2f245469795b865bdd1b956c23d7893d

                      SHA1

                      6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

                      SHA256

                      1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

                      SHA512

                      909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

                    • C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logri.ini

                      Filesize

                      40B

                      MD5

                      d63a82e5d81e02e399090af26db0b9cb

                      SHA1

                      91d0014c8f54743bba141fd60c9d963f869d76c9

                      SHA256

                      eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

                      SHA512

                      38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

                    • C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrv.ini

                      Filesize

                      40B

                      MD5

                      ba3b6bc807d4f76794c4b81b09bb9ba5

                      SHA1

                      24cb89501f0212ff3095ecc0aba97dd563718fb1

                      SHA256

                      6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

                      SHA512

                      ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

                    • memory/1244-57-0x0000000006520000-0x00000000065EC000-memory.dmp

                      Filesize

                      816KB

                    • memory/1996-11-0x00000000022A0000-0x0000000002320000-memory.dmp

                      Filesize

                      512KB

                    • memory/1996-12-0x000000001B630000-0x000000001B912000-memory.dmp

                      Filesize

                      2.9MB

                    • memory/1996-13-0x0000000002320000-0x0000000002328000-memory.dmp

                      Filesize

                      32KB

                    • memory/2376-6-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB

                    • memory/2376-5-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB

                    • memory/2452-49-0x00000000000D0000-0x00000000000FF000-memory.dmp

                      Filesize

                      188KB

                    • memory/2452-48-0x0000000000A70000-0x0000000000A88000-memory.dmp

                      Filesize

                      96KB

                    • memory/3012-44-0x000007FEF5B80000-0x000007FEF656C000-memory.dmp

                      Filesize

                      9.9MB

                    • memory/3012-0-0x000007FEF5B83000-0x000007FEF5B84000-memory.dmp

                      Filesize

                      4KB

                    • memory/3012-4-0x0000000000490000-0x0000000000518000-memory.dmp

                      Filesize

                      544KB

                    • memory/3012-3-0x0000000000020000-0x000000000002E000-memory.dmp

                      Filesize

                      56KB

                    • memory/3012-2-0x000007FEF5B80000-0x000007FEF656C000-memory.dmp

                      Filesize

                      9.9MB

                    • memory/3012-1-0x0000000000CE0000-0x0000000000CFC000-memory.dmp

                      Filesize

                      112KB

                    • memory/3020-42-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/3020-46-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB

                    • memory/3020-43-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB