Analysis

  • max time kernel
    149s
  • 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
    16-08-2024 14:19

General

  • Target

    7827c1a3bb6a15fac5156288c5910f76f4f24e6d3f2a025d3ac97c15c1e3dbcb.exe

  • Size

    1.1MB

  • MD5

    6db162a5cd29432c1922968c38d61b52

  • SHA1

    fef1f9828625cd773356a8026ba8db98ce2dff5a

  • SHA256

    0d19f3e45d3a107d0b326b3c2aa3a6cc0c8878c6424a523483408db0c196eab0

  • SHA512

    6ddcc696ae22be74197650708e1709ff45092d5549bacc159808b00f3ff409770ce7ea3438b9e7a59735a37d0281265073cc0d51d60a16809d695611d18494de

  • SSDEEP

    12288:LdD/HflxQZY976WkB5k86o6NYIBF0REAcJTlcB74mobf+0CxYoQJ74:LtHfKK76WZ86oymxcJTqB72bf5CpM74

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
  • Windows security bypass 2 TTPs 2 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.

  • 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.

  • Windows security modification 2 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 4 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
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3460
    • C:\Users\Admin\AppData\Local\Temp\7827c1a3bb6a15fac5156288c5910f76f4f24e6d3f2a025d3ac97c15c1e3dbcb.exe
      "C:\Users\Admin\AppData\Local\Temp\7827c1a3bb6a15fac5156288c5910f76f4f24e6d3f2a025d3ac97c15c1e3dbcb.exe"
      2⤵
      • UAC bypass
      • Windows security bypass
      • Checks computer location settings
      • Windows security modification
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:5004
      • 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\7827c1a3bb6a15fac5156288c5910f76f4f24e6d3f2a025d3ac97c15c1e3dbcb.exe" -Force
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4480
      • C:\Windows\System32\notepad.exe
        "C:\Windows\System32\notepad.exe"
        3⤵
          PID:1476
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:548
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
          3⤵
            PID:4844
        • C:\Windows\SysWOW64\autochk.exe
          "C:\Windows\SysWOW64\autochk.exe"
          2⤵
            PID:1720
          • C:\Windows\SysWOW64\wscript.exe
            "C:\Windows\SysWOW64\wscript.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:996
            • 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:1536
            • C:\Program Files\Mozilla Firefox\Firefox.exe
              "C:\Program Files\Mozilla Firefox\Firefox.exe"
              3⤵
                PID:1100
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4340,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=1904 /prefetch:8
            1⤵
              PID:4248

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            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_iszwan3f.fzq.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

              Filesize

              84KB

              MD5

              0ecbda2427c100747e5db3657c6e40c6

              SHA1

              c8748d5aed2f45e157f734567a1d9ee94cabcd21

              SHA256

              07b632cb7b8422a9a1040b7bc2a64119663644e20dd6252e849b37259b62d1d7

              SHA512

              cc0dea7e5ff7aea3e664dee0042fa606d0f6ce2942a0ae0535fa0143fb051c8613e4b1062db3c0f310a798d61be85060c8de18bbc070c69e76ca7c4682ab842f

            • 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/548-25-0x0000000000400000-0x000000000042F000-memory.dmp

              Filesize

              188KB

            • memory/548-18-0x0000000000400000-0x000000000042F000-memory.dmp

              Filesize

              188KB

            • memory/548-20-0x0000000001A40000-0x0000000001D8A000-memory.dmp

              Filesize

              3.3MB

            • memory/996-27-0x0000000000C00000-0x0000000000C2F000-memory.dmp

              Filesize

              188KB

            • memory/996-26-0x0000000000230000-0x0000000000257000-memory.dmp

              Filesize

              156KB

            • memory/3460-45-0x0000000007BB0000-0x0000000007D33000-memory.dmp

              Filesize

              1.5MB

            • memory/4480-23-0x00007FF837480000-0x00007FF837F41000-memory.dmp

              Filesize

              10.8MB

            • memory/4480-17-0x000001C374BA0000-0x000001C374BC2000-memory.dmp

              Filesize

              136KB

            • memory/4480-16-0x00007FF837480000-0x00007FF837F41000-memory.dmp

              Filesize

              10.8MB

            • memory/4480-15-0x00007FF837480000-0x00007FF837F41000-memory.dmp

              Filesize

              10.8MB

            • memory/4480-10-0x00007FF837480000-0x00007FF837F41000-memory.dmp

              Filesize

              10.8MB

            • memory/5004-24-0x00007FF837480000-0x00007FF837F41000-memory.dmp

              Filesize

              10.8MB

            • memory/5004-0-0x00007FF837483000-0x00007FF837485000-memory.dmp

              Filesize

              8KB

            • memory/5004-4-0x0000029178500000-0x0000029178588000-memory.dmp

              Filesize

              544KB

            • memory/5004-3-0x00007FF837480000-0x00007FF837F41000-memory.dmp

              Filesize

              10.8MB

            • memory/5004-2-0x000002915FC70000-0x000002915FC76000-memory.dmp

              Filesize

              24KB

            • memory/5004-1-0x000002915E100000-0x000002915E110000-memory.dmp

              Filesize

              64KB