Resubmissions

13-12-2024 12:08

241213-pa5thsxqcy 10

13-12-2024 12:04

241213-n8447sxphy 10

Analysis

  • max time kernel
    686s
  • max time network
    683s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-12-2024 12:08

General

  • Target

    VBshqUbZtSxUibM.exe

  • Size

    605KB

  • MD5

    5219b5632bdd4d2bf00ca0405660a8cd

  • SHA1

    118b516281a7f9d07e23014611e3a0c5148ba2d6

  • SHA256

    6ce77c20aa2bb6bd48fe6255c91a4167fd81215ed4f4fec78c7387ef2247ae7b

  • SHA512

    998748303f20e88d0239cb7cf5fe8ce055c64c27085d129f174f10705bb9ce2cb838b59da7bed922fe069e03624dffb7306f482966e5bdb2df6481f6c7b6746f

  • SSDEEP

    12288:lkjnD7Oh7Ch0pUCxtrqeZx1Kufvye6vvc3JZgPeAp0:anD7OhM0nx1t/KufvyeOwgb

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sx01

Decoy

r-salessolutions.xyz

jdh1.info

olar-panel-jobs-93084.bond

aebrasil.shop

oshua-xaaaa.buzz

xzkm.shop

nitedviplumbing.net

nnevateknoloji.xyz

rg-a.biz

indow-replacement-34091.bond

uyersagent3percent.net

ostbag.net

ibosolv.net

ahve.today

ophotshotjobs.today

emoreez.art

ift-chairs-94905.bond

okerdom-e.best

stagr.fun

irtyf-ingrancher.info

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook family
  • Formbook payload 4 IoCs
  • Adds policy Run key to start application 2 TTPs 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 3 TTPs

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

  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3468
    • C:\Users\Admin\AppData\Local\Temp\VBshqUbZtSxUibM.exe
      "C:\Users\Admin\AppData\Local\Temp\VBshqUbZtSxUibM.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\VBshqUbZtSxUibM.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1224
      • C:\Users\Admin\AppData\Local\Temp\VBshqUbZtSxUibM.exe
        "C:\Users\Admin\AppData\Local\Temp\VBshqUbZtSxUibM.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2796
    • C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      2⤵
        PID:2696
      • C:\Windows\SysWOW64\chkdsk.exe
        "C:\Windows\SysWOW64\chkdsk.exe"
        2⤵
        • Adds policy Run key to start application
        • Suspicious use of SetThreadContext
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Enumerates system info in registry
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4244
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\VBshqUbZtSxUibM.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:1288
        • 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:1564
        • C:\Program Files\Mozilla Firefox\Firefox.exe
          "C:\Program Files\Mozilla Firefox\Firefox.exe"
          3⤵
            PID:1632

      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_tuw54ysx.hea.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Roaming\-N4B7-U3\-N4logim.jpeg

        Filesize

        80KB

        MD5

        7de0f9653b23b2339516cf2cad5d420c

        SHA1

        d027bd131400a0a06979bfb4ee043f679a943b00

        SHA256

        59468c2d84bf3c96ace3ae096be00c40e5b1f5aef53a508fc25f3dfc856dd0b0

        SHA512

        50584381406da24ec6fa751e1c5fc888c099805841f19021474e0e0351f71a91681a84ec81897d2ec29dce78d53a55bd9246c2d73779cbdc6d68e6589d7a9058

      • C:\Users\Admin\AppData\Roaming\-N4B7-U3\-N4logrf.ini

        Filesize

        40B

        MD5

        2f245469795b865bdd1b956c23d7893d

        SHA1

        6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

        SHA256

        1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

        SHA512

        909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

      • C:\Users\Admin\AppData\Roaming\-N4B7-U3\-N4logrg.ini

        Filesize

        38B

        MD5

        4aadf49fed30e4c9b3fe4a3dd6445ebe

        SHA1

        1e332822167c6f351b99615eada2c30a538ff037

        SHA256

        75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

        SHA512

        eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

      • C:\Users\Admin\AppData\Roaming\-N4B7-U3\-N4logri.ini

        Filesize

        40B

        MD5

        d63a82e5d81e02e399090af26db0b9cb

        SHA1

        91d0014c8f54743bba141fd60c9d963f869d76c9

        SHA256

        eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

        SHA512

        38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

      • C:\Users\Admin\AppData\Roaming\-N4B7-U3\-N4logrv.ini

        Filesize

        872B

        MD5

        bbc41c78bae6c71e63cb544a6a284d94

        SHA1

        33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

        SHA256

        ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

        SHA512

        0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

      • memory/1204-8-0x0000000075240000-0x00000000759F0000-memory.dmp

        Filesize

        7.7MB

      • memory/1204-7-0x000000007524E000-0x000000007524F000-memory.dmp

        Filesize

        4KB

      • memory/1204-9-0x0000000005FB0000-0x0000000006026000-memory.dmp

        Filesize

        472KB

      • memory/1204-10-0x00000000087F0000-0x000000000888C000-memory.dmp

        Filesize

        624KB

      • memory/1204-6-0x0000000005F80000-0x0000000005F98000-memory.dmp

        Filesize

        96KB

      • memory/1204-13-0x0000000075240000-0x00000000759F0000-memory.dmp

        Filesize

        7.7MB

      • memory/1204-5-0x0000000075240000-0x00000000759F0000-memory.dmp

        Filesize

        7.7MB

      • memory/1204-4-0x0000000004D80000-0x0000000004D8A000-memory.dmp

        Filesize

        40KB

      • memory/1204-3-0x0000000004E00000-0x0000000004E92000-memory.dmp

        Filesize

        584KB

      • memory/1204-2-0x00000000053B0000-0x0000000005954000-memory.dmp

        Filesize

        5.6MB

      • memory/1204-1-0x00000000002F0000-0x000000000038E000-memory.dmp

        Filesize

        632KB

      • memory/1204-0-0x000000007524E000-0x000000007524F000-memory.dmp

        Filesize

        4KB

      • memory/1224-50-0x00000000062B0000-0x00000000062CE000-memory.dmp

        Filesize

        120KB

      • memory/1224-59-0x0000000007200000-0x0000000007211000-memory.dmp

        Filesize

        68KB

      • memory/1224-24-0x0000000004C20000-0x0000000004C42000-memory.dmp

        Filesize

        136KB

      • memory/1224-19-0x00000000023E0000-0x0000000002416000-memory.dmp

        Filesize

        216KB

      • memory/1224-26-0x00000000056C0000-0x0000000005726000-memory.dmp

        Filesize

        408KB

      • memory/1224-25-0x0000000004DC0000-0x0000000004E26000-memory.dmp

        Filesize

        408KB

      • memory/1224-21-0x0000000004F20000-0x0000000005548000-memory.dmp

        Filesize

        6.2MB

      • memory/1224-36-0x0000000005730000-0x0000000005A84000-memory.dmp

        Filesize

        3.3MB

      • memory/1224-37-0x0000000005CD0000-0x0000000005CEE000-memory.dmp

        Filesize

        120KB

      • memory/1224-38-0x0000000005E90000-0x0000000005EDC000-memory.dmp

        Filesize

        304KB

      • memory/1224-39-0x0000000006CB0000-0x0000000006CE2000-memory.dmp

        Filesize

        200KB

      • memory/1224-23-0x00000000752C0000-0x0000000075A70000-memory.dmp

        Filesize

        7.7MB

      • memory/1224-51-0x00000000752C0000-0x0000000075A70000-memory.dmp

        Filesize

        7.7MB

      • memory/1224-40-0x00000000710E0000-0x000000007112C000-memory.dmp

        Filesize

        304KB

      • memory/1224-52-0x00000000752C0000-0x0000000075A70000-memory.dmp

        Filesize

        7.7MB

      • memory/1224-53-0x0000000006EF0000-0x0000000006F93000-memory.dmp

        Filesize

        652KB

      • memory/1224-54-0x00000000752C0000-0x0000000075A70000-memory.dmp

        Filesize

        7.7MB

      • memory/1224-55-0x0000000007640000-0x0000000007CBA000-memory.dmp

        Filesize

        6.5MB

      • memory/1224-56-0x0000000007000000-0x000000000701A000-memory.dmp

        Filesize

        104KB

      • memory/1224-57-0x0000000007070000-0x000000000707A000-memory.dmp

        Filesize

        40KB

      • memory/1224-58-0x0000000007280000-0x0000000007316000-memory.dmp

        Filesize

        600KB

      • memory/1224-20-0x00000000752CE000-0x00000000752CF000-memory.dmp

        Filesize

        4KB

      • memory/1224-60-0x0000000007230000-0x000000000723E000-memory.dmp

        Filesize

        56KB

      • memory/1224-67-0x00000000752C0000-0x0000000075A70000-memory.dmp

        Filesize

        7.7MB

      • memory/1224-22-0x00000000752C0000-0x0000000075A70000-memory.dmp

        Filesize

        7.7MB

      • memory/1224-72-0x00000000752C0000-0x0000000075A70000-memory.dmp

        Filesize

        7.7MB

      • memory/1224-69-0x0000000007320000-0x0000000007328000-memory.dmp

        Filesize

        32KB

      • memory/1224-68-0x0000000007340000-0x000000000735A000-memory.dmp

        Filesize

        104KB

      • memory/1224-62-0x0000000007240000-0x0000000007254000-memory.dmp

        Filesize

        80KB

      • memory/2796-63-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/2796-64-0x0000000003870000-0x0000000003885000-memory.dmp

        Filesize

        84KB

      • memory/2796-11-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/2796-14-0x00000000019F0000-0x0000000001D3A000-memory.dmp

        Filesize

        3.3MB

      • memory/2796-16-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/2796-17-0x0000000001EE0000-0x0000000001EF5000-memory.dmp

        Filesize

        84KB

      • memory/3468-76-0x0000000008F40000-0x00000000090D7000-memory.dmp

        Filesize

        1.6MB

      • memory/3468-79-0x00000000090E0000-0x000000000924D000-memory.dmp

        Filesize

        1.4MB

      • memory/3468-66-0x0000000008F40000-0x00000000090D7000-memory.dmp

        Filesize

        1.6MB

      • memory/3468-18-0x00000000085B0000-0x0000000008700000-memory.dmp

        Filesize

        1.3MB

      • memory/3468-65-0x00000000085B0000-0x0000000008700000-memory.dmp

        Filesize

        1.3MB

      • memory/4244-75-0x0000000000140000-0x000000000016F000-memory.dmp

        Filesize

        188KB

      • memory/4244-74-0x0000000000C00000-0x0000000000C0A000-memory.dmp

        Filesize

        40KB

      • memory/4244-73-0x0000000000C00000-0x0000000000C0A000-memory.dmp

        Filesize

        40KB