Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-08-2024 14:09

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
  • 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 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.

  • Windows security modification 2 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 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
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 17 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:3384
    • C:\Users\Admin\AppData\Local\Temp\2d29191fb5dd27ba947a5c7adfaaa5cc643bf7475e37c1d7825f4b7bf02e93ed.exe
      "C:\Users\Admin\AppData\Local\Temp\2d29191fb5dd27ba947a5c7adfaaa5cc643bf7475e37c1d7825f4b7bf02e93ed.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:2032
      • 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:4564
      • 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:4820
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\SysWOW64\netsh.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:1620
      • 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:5048
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:684

    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_mg1nqbxl.l4x.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      86KB

      MD5

      02f7ac1cf4d66aa235d4da310ce674c3

      SHA1

      8bc1b0e773143f9008756ff63728a34b67bd2af3

      SHA256

      4ecba17b73eb8a8d4baed7ccd9ef230a890efdd5bfd493bc0ad075ee7e0bb08d

      SHA512

      4109e4fb1a1aabd829782c8dacb457a0e7d71e7dc99301240117dc27646cc1142ffa1ce2329b7dfec7799eec78bc11c1ca28fe430483cdf7a243c550c69eda38

    • 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/1620-26-0x0000000000F00000-0x0000000000F2F000-memory.dmp

      Filesize

      188KB

    • memory/1620-25-0x0000000001430000-0x000000000144E000-memory.dmp

      Filesize

      120KB

    • memory/1620-23-0x0000000001430000-0x000000000144E000-memory.dmp

      Filesize

      120KB

    • memory/2032-4-0x0000024D49B30000-0x0000024D49BB8000-memory.dmp

      Filesize

      544KB

    • memory/2032-1-0x00007FFA8C643000-0x00007FFA8C645000-memory.dmp

      Filesize

      8KB

    • memory/2032-22-0x00007FFA8C640000-0x00007FFA8D101000-memory.dmp

      Filesize

      10.8MB

    • memory/2032-3-0x0000024D481D0000-0x0000024D481DE000-memory.dmp

      Filesize

      56KB

    • memory/2032-2-0x00007FFA8C640000-0x00007FFA8D101000-memory.dmp

      Filesize

      10.8MB

    • memory/2032-0-0x0000024D47E30000-0x0000024D47E4C000-memory.dmp

      Filesize

      112KB

    • memory/3384-46-0x0000000008800000-0x00000000088FF000-memory.dmp

      Filesize

      1020KB

    • memory/3384-41-0x0000000008600000-0x00000000086DC000-memory.dmp

      Filesize

      880KB

    • memory/3384-8-0x0000000008600000-0x00000000086DC000-memory.dmp

      Filesize

      880KB

    • memory/4564-21-0x00007FFA8C640000-0x00007FFA8D101000-memory.dmp

      Filesize

      10.8MB

    • memory/4564-14-0x0000018C21CF0000-0x0000018C21D12000-memory.dmp

      Filesize

      136KB

    • memory/4564-7-0x00007FFA8C640000-0x00007FFA8D101000-memory.dmp

      Filesize

      10.8MB

    • memory/4564-6-0x00007FFA8C640000-0x00007FFA8D101000-memory.dmp

      Filesize

      10.8MB

    • memory/4820-5-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB