Analysis

  • max time kernel
    148s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-09-2024 01:18

General

  • Target

    41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe

  • Size

    2.0MB

  • MD5

    af9ec0a3038bbe105c8f81d9f501364b

  • SHA1

    98fbd79c84a99026b01dbdfc9919a30dc0114ff4

  • SHA256

    41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf

  • SHA512

    d75eca2a90e9a79a001c67c42cb9ef32676f4c79e945da1885bf8541cb426007132dfe3d53fd352ad2e8b94155ee20ac473ea71c837f64cbe52479cd455a60a4

  • SSDEEP

    49152:qfDe+fmH7RRZ1UW84VCyH+4FAGqnx+lg3jszQ8u1ejSCg+AbE0:qfDQQsrh8E0

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.

  • 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.

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 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
  • Runs regedit.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Users\Admin\AppData\Local\Temp\41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe
      "C:\Users\Admin\AppData\Local\Temp\41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1120
      • 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:2356
      • C:\Windows\regedit.exe
        "C:\Windows\regedit.exe"
        3⤵
        • Runs regedit.exe
        PID:2596
      • C:\Windows\System32\svchost.exe
        "C:\Windows\System32\svchost.exe"
        3⤵
          PID:2688
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
          3⤵
            PID:2500
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
            3⤵
              PID:2804
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
              3⤵
                PID:2652
              • C:\Windows\System32\calc.exe
                "C:\Windows\System32\calc.exe"
                3⤵
                  PID:2104
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
                  3⤵
                    PID:2984
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe"
                    3⤵
                      PID:2860
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
                      3⤵
                        PID:2820
                      • 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:2520
                    • C:\Windows\SysWOW64\raserver.exe
                      "C:\Windows\SysWOW64\raserver.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:2792
                      • C:\Program Files\Mozilla Firefox\Firefox.exe
                        "C:\Program Files\Mozilla Firefox\Firefox.exe"
                        3⤵
                          PID:2404

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

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

                      Filesize

                      69KB

                      MD5

                      3b5977efbb9b875c465665242f4ef456

                      SHA1

                      df8912ba8e49ae95ee920f9c9e0d2f099c349457

                      SHA256

                      ad929d0a41d7714a2b2769c0db085f2ead96944a23f1b0e0089bf57c236a4c80

                      SHA512

                      773cc343d1de778fa398b619dfe09a4c543f4b1db2d3e142fd31f5b771f04b8224d11695e8abd167722137303f1af8d76e8a9524b19b15d1c9b1c95b23e0b176

                    • 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/1212-19-0x00000000041A0000-0x00000000042A2000-memory.dmp

                      Filesize

                      1.0MB

                    • memory/1212-32-0x0000000004FD0000-0x0000000005154000-memory.dmp

                      Filesize

                      1.5MB

                    • memory/1212-26-0x00000000041A0000-0x00000000042A2000-memory.dmp

                      Filesize

                      1.0MB

                    • memory/1212-16-0x0000000000010000-0x0000000000020000-memory.dmp

                      Filesize

                      64KB

                    • memory/2356-8-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

                      Filesize

                      9.6MB

                    • memory/2356-11-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

                      Filesize

                      9.6MB

                    • memory/2356-7-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

                      Filesize

                      9.6MB

                    • memory/2356-6-0x00000000027E0000-0x00000000027E8000-memory.dmp

                      Filesize

                      32KB

                    • memory/2356-5-0x000000001B6B0000-0x000000001B992000-memory.dmp

                      Filesize

                      2.9MB

                    • memory/2356-12-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

                      Filesize

                      9.6MB

                    • memory/2356-9-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

                      Filesize

                      9.6MB

                    • memory/2356-4-0x000007FEF5BAE000-0x000007FEF5BAF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2520-17-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB

                    • memory/2520-14-0x0000000000910000-0x0000000000C13000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2520-18-0x0000000000140000-0x0000000000154000-memory.dmp

                      Filesize

                      80KB

                    • memory/2520-13-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB

                    • memory/2792-22-0x0000000000080000-0x00000000000AF000-memory.dmp

                      Filesize

                      188KB

                    • memory/2792-21-0x00000000002B0000-0x00000000002CC000-memory.dmp

                      Filesize

                      112KB

                    • memory/2792-20-0x00000000002B0000-0x00000000002CC000-memory.dmp

                      Filesize

                      112KB