Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-09-2024 01:42

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 2 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 2 TTPs

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

  • 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 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
  • Runs regedit.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3448
    • C:\Users\Admin\AppData\Local\Temp\41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe
      "C:\Users\Admin\AppData\Local\Temp\41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5064
      • 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:2776
      • C:\Program Files (x86)\Windows Mail\wab.exe
        "C:\Program Files (x86)\Windows Mail\wab.exe"
        3⤵
          PID:4996
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe"
          3⤵
            PID:1740
          • C:\Windows\System32\calc.exe
            "C:\Windows\System32\calc.exe"
            3⤵
              PID:4752
            • C:\Windows\regedit.exe
              "C:\Windows\regedit.exe"
              3⤵
              • Runs regedit.exe
              PID:4336
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              3⤵
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              PID:4084
          • C:\Windows\SysWOW64\help.exe
            "C:\Windows\SysWOW64\help.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:3380
            • 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:4368
            • C:\Program Files\Mozilla Firefox\Firefox.exe
              "C:\Program Files\Mozilla Firefox\Firefox.exe"
              3⤵
                PID:4704

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\DB1

            Filesize

            40KB

            MD5

            a182561a527f929489bf4b8f74f65cd7

            SHA1

            8cd6866594759711ea1836e86a5b7ca64ee8911f

            SHA256

            42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

            SHA512

            9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hi1mmlnw.xoa.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

            Filesize

            80KB

            MD5

            df1b200fc4bbf8d378fe5567a53fb8d0

            SHA1

            fba2902eef711d8dec02aa43b436c1966d84ec02

            SHA256

            d0a78aec9605fd800b48d89ee8fcc036b5cc78d6ea20d9eff7867f4f17c95dd6

            SHA512

            1b844c87275dc44cae60aeea4fab1854a714571974ff12c746192c88236c245bc043e5d0d507bf4527f71404c0cf9746be60292ea1b7d9c6acffdbf1299fe51a

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

            Filesize

            40B

            MD5

            2f245469795b865bdd1b956c23d7893d

            SHA1

            6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

            SHA256

            1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

            SHA512

            909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

          • C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrg.ini

            Filesize

            38B

            MD5

            4aadf49fed30e4c9b3fe4a3dd6445ebe

            SHA1

            1e332822167c6f351b99615eada2c30a538ff037

            SHA256

            75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

            SHA512

            eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

          • 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

            872B

            MD5

            bbc41c78bae6c71e63cb544a6a284d94

            SHA1

            33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

            SHA256

            ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

            SHA512

            0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

          • memory/2776-1-0x0000016574EF0000-0x0000016574F12000-memory.dmp

            Filesize

            136KB

          • memory/2776-11-0x00007FFF125A0000-0x00007FFF13061000-memory.dmp

            Filesize

            10.8MB

          • memory/2776-12-0x00007FFF125A0000-0x00007FFF13061000-memory.dmp

            Filesize

            10.8MB

          • memory/2776-16-0x00007FFF125A0000-0x00007FFF13061000-memory.dmp

            Filesize

            10.8MB

          • memory/2776-0-0x00007FFF125A3000-0x00007FFF125A5000-memory.dmp

            Filesize

            8KB

          • memory/3380-20-0x00000000008D0000-0x00000000008D7000-memory.dmp

            Filesize

            28KB

          • memory/3380-21-0x00000000008A0000-0x00000000008CF000-memory.dmp

            Filesize

            188KB

          • memory/3380-19-0x00000000008D0000-0x00000000008D7000-memory.dmp

            Filesize

            28KB

          • memory/3448-40-0x0000000008D60000-0x0000000008EA0000-memory.dmp

            Filesize

            1.2MB

          • memory/3448-36-0x000000000AEE0000-0x000000000B020000-memory.dmp

            Filesize

            1.2MB

          • memory/3448-18-0x000000000AEE0000-0x000000000B020000-memory.dmp

            Filesize

            1.2MB

          • memory/4084-17-0x0000000000400000-0x000000000042F000-memory.dmp

            Filesize

            188KB