Analysis

  • max time kernel
    135s
  • max time network
    138s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    28-04-2024 14:15

General

  • Target

    c22e7af2dbc1c8349559c3aa56a868d77541cab76a0fef74c248af97a1957d23.exe

  • Size

    451KB

  • MD5

    f3499823ccca35d858ae2653142ded48

  • SHA1

    86477f41bd8cb48a2cf7922cc89acdb3b7a4f58d

  • SHA256

    c22e7af2dbc1c8349559c3aa56a868d77541cab76a0fef74c248af97a1957d23

  • SHA512

    721a7b13d4d2fd85f267cf62840ca0e26c3b36f601dfce64731b96db0edd0b526535a0008449a4e7a44ba67ea097a69b147792393fb1581f55e380d63c22d68d

  • SSDEEP

    6144:+0HYlMeYOX8mE94DowCxV0jZVqmnvi1UVX1Zbt2S0gjaUI:+04lMXmQ4LCxWjZji1U/rhaUI

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c22e7af2dbc1c8349559c3aa56a868d77541cab76a0fef74c248af97a1957d23.exe
    "C:\Users\Admin\AppData\Local\Temp\c22e7af2dbc1c8349559c3aa56a868d77541cab76a0fef74c248af97a1957d23.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Users\Admin\AppData\Local\Temp\u3o8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3o8.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4428
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 2284
        3⤵
        • Program crash
        PID:1004
    • C:\Users\Admin\AppData\Local\Temp\u3o8.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u3o8.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2848
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:5068
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2776
    • C:\Users\Admin\AppData\Local\Temp\u3o8.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u3o8.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4676
      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
        "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 1660
      2⤵
      • Program crash
      PID:4300
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4760 -ip 4760
    1⤵
      PID:1840
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4428 -ip 4428
      1⤵
        PID:1928

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Are.docx
        Filesize

        11KB

        MD5

        a33e5b189842c5867f46566bdbf7a095

        SHA1

        e1c06359f6a76da90d19e8fd95e79c832edb3196

        SHA256

        5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

        SHA512

        f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

      • C:\ProgramData\mozglue.dll
        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll
        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\Users\Admin\AppData\Local\Temp\c0ad80c6
        Filesize

        1.4MB

        MD5

        e3cabfa9f031c651a90949ca77cddbdc

        SHA1

        51f78160af49b1eb294232050dd22f35ff04e2d4

        SHA256

        1bf625b4414822757d88cd2581110e401f98bb6df9b428d8d4ba6cc889580c29

        SHA512

        6e6e09e0cc7c1c136e6401013edd1938cfc454bfca631b9cc8297257df5d284708ec43d7ba76ead2983a1a66a915b8e0b7409e2da2085532763b1a1d451fd76a

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
        Filesize

        2KB

        MD5

        82411bf05d5875d9b0aadfe8449bc1c7

        SHA1

        2712888d61648aefcf741e75d29ecc48fdbc30ce

        SHA256

        f1247331356d0ce1a398db75195bfed17c9a2b98c3b9c2d5aa04d48fbeee1c19

        SHA512

        252932be1ff96658a14a9cf2bff704baab0999ef90b4150ef7e3994d006473413d1476ab8915212b9d76b9d6934e9c0ccd04efe8d39a4161162043446be832b1

      • C:\Users\Admin\AppData\Local\Temp\tmp5A.tmp
        Filesize

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmp7C.tmp
        Filesize

        20KB

        MD5

        22be08f683bcc01d7a9799bbd2c10041

        SHA1

        2efb6041cf3d6e67970135e592569c76fc4c41de

        SHA256

        451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457

        SHA512

        0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936

      • C:\Users\Admin\AppData\Local\Temp\u3o8.0.exe
        Filesize

        306KB

        MD5

        5e14291d1ddc502823a02e1bdb0cee56

        SHA1

        1ce2cc9c34fa0386b4d2d7ca36d4504fda3d1130

        SHA256

        f98a232e9e666e4af8894757f171505040762677b4fcfa4e00269ea548ca13f7

        SHA512

        a96959377102289f93579c73939d0da98b6e2fe79aaf53c93727cb45ca28ee64451ef33a676ef06e095ccc89fe447edc92f539a121db4112f7533773758df985

      • C:\Users\Admin\AppData\Local\Temp\u3o8.1.zip
        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u3o8.2\UIxMarketPlugin.dll
        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u3o8.2\bunch.dat
        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u3o8.2\relay.dll
        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u3o8.2\run.exe
        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u3o8.2\whale.dbf
        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • C:\Users\Admin\AppData\Local\Temp\u3o8.3.exe
        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1524-242-0x000002B594D50000-0x000002B594D64000-memory.dmp
        Filesize

        80KB

      • memory/1524-250-0x000002B594D10000-0x000002B594D1A000-memory.dmp
        Filesize

        40KB

      • memory/1524-267-0x000002B5B2730000-0x000002B5B274E000-memory.dmp
        Filesize

        120KB

      • memory/1524-266-0x000002B5B2700000-0x000002B5B2722000-memory.dmp
        Filesize

        136KB

      • memory/1524-265-0x000002B5B2660000-0x000002B5B266C000-memory.dmp
        Filesize

        48KB

      • memory/1524-264-0x000002B5B26B0000-0x000002B5B2700000-memory.dmp
        Filesize

        320KB

      • memory/1524-261-0x000002B5B2E00000-0x000002B5B3328000-memory.dmp
        Filesize

        5.2MB

      • memory/1524-259-0x000002B5B28C0000-0x000002B5B28CA000-memory.dmp
        Filesize

        40KB

      • memory/1524-260-0x000002B5B2640000-0x000002B5B2662000-memory.dmp
        Filesize

        136KB

      • memory/1524-258-0x000002B5B1F70000-0x000002B5B1F7E000-memory.dmp
        Filesize

        56KB

      • memory/1524-257-0x000002B5B1FA0000-0x000002B5B1FD8000-memory.dmp
        Filesize

        224KB

      • memory/1524-256-0x000002B5B2020000-0x000002B5B2028000-memory.dmp
        Filesize

        32KB

      • memory/1524-254-0x000002B5ADC00000-0x000002B5ADF00000-memory.dmp
        Filesize

        3.0MB

      • memory/1524-238-0x000002B58F630000-0x000002B592F28000-memory.dmp
        Filesize

        57.0MB

      • memory/1524-239-0x000002B5AD640000-0x000002B5AD750000-memory.dmp
        Filesize

        1.1MB

      • memory/1524-240-0x000002B594D30000-0x000002B594D40000-memory.dmp
        Filesize

        64KB

      • memory/1524-241-0x000002B594D60000-0x000002B594D6C000-memory.dmp
        Filesize

        48KB

      • memory/1524-249-0x000002B5ADB80000-0x000002B5ADBF6000-memory.dmp
        Filesize

        472KB

      • memory/1524-243-0x000002B5AD7A0000-0x000002B5AD7C4000-memory.dmp
        Filesize

        144KB

      • memory/1524-244-0x000002B5AD920000-0x000002B5AD92A000-memory.dmp
        Filesize

        40KB

      • memory/1524-245-0x000002B5AD940000-0x000002B5AD96A000-memory.dmp
        Filesize

        168KB

      • memory/1524-246-0x000002B5AD970000-0x000002B5ADA22000-memory.dmp
        Filesize

        712KB

      • memory/1524-247-0x000002B5ADA20000-0x000002B5ADA9A000-memory.dmp
        Filesize

        488KB

      • memory/1524-248-0x000002B5ADAA0000-0x000002B5ADB02000-memory.dmp
        Filesize

        392KB

      • memory/2776-280-0x0000000004BD0000-0x0000000004BDA000-memory.dmp
        Filesize

        40KB

      • memory/2776-302-0x0000000007280000-0x000000000728A000-memory.dmp
        Filesize

        40KB

      • memory/2776-283-0x00000000059C0000-0x0000000005A26000-memory.dmp
        Filesize

        408KB

      • memory/2776-282-0x0000000005900000-0x000000000591E000-memory.dmp
        Filesize

        120KB

      • memory/2776-281-0x0000000005E30000-0x000000000635C000-memory.dmp
        Filesize

        5.2MB

      • memory/2776-279-0x0000000004CD0000-0x0000000004D20000-memory.dmp
        Filesize

        320KB

      • memory/2776-278-0x0000000004D20000-0x0000000004D96000-memory.dmp
        Filesize

        472KB

      • memory/2776-271-0x0000000073500000-0x0000000074817000-memory.dmp
        Filesize

        19.1MB

      • memory/2776-276-0x0000000005250000-0x00000000057F6000-memory.dmp
        Filesize

        5.6MB

      • memory/2776-275-0x0000000004C00000-0x0000000004C92000-memory.dmp
        Filesize

        584KB

      • memory/2776-274-0x0000000000500000-0x00000000005C6000-memory.dmp
        Filesize

        792KB

      • memory/2776-277-0x0000000004E80000-0x0000000005042000-memory.dmp
        Filesize

        1.8MB

      • memory/2848-205-0x0000000072D70000-0x0000000072EED000-memory.dmp
        Filesize

        1.5MB

      • memory/2848-146-0x0000000072D70000-0x0000000072EED000-memory.dmp
        Filesize

        1.5MB

      • memory/2848-147-0x00007FFD193C0000-0x00007FFD195C9000-memory.dmp
        Filesize

        2.0MB

      • memory/4428-19-0x0000000061E00000-0x0000000061EF3000-memory.dmp
        Filesize

        972KB

      • memory/4428-18-0x0000000000400000-0x0000000001A18000-memory.dmp
        Filesize

        22.1MB

      • memory/4428-204-0x0000000000400000-0x0000000001A18000-memory.dmp
        Filesize

        22.1MB

      • memory/4428-16-0x0000000001B60000-0x0000000001C60000-memory.dmp
        Filesize

        1024KB

      • memory/4428-17-0x0000000001B30000-0x0000000001B57000-memory.dmp
        Filesize

        156KB

      • memory/4676-225-0x0000000000400000-0x00000000008AD000-memory.dmp
        Filesize

        4.7MB

      • memory/4676-237-0x0000000000400000-0x00000000008AD000-memory.dmp
        Filesize

        4.7MB

      • memory/4760-199-0x0000000000400000-0x0000000001A3C000-memory.dmp
        Filesize

        22.2MB

      • memory/4760-1-0x0000000001B50000-0x0000000001C50000-memory.dmp
        Filesize

        1024KB

      • memory/4760-2-0x0000000003750000-0x00000000037BD000-memory.dmp
        Filesize

        436KB

      • memory/4760-3-0x0000000000400000-0x0000000001A3C000-memory.dmp
        Filesize

        22.2MB

      • memory/5068-223-0x00007FFD193C0000-0x00007FFD195C9000-memory.dmp
        Filesize

        2.0MB

      • memory/5068-269-0x0000000072D70000-0x0000000072EED000-memory.dmp
        Filesize

        1.5MB