Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-04-2024 19:18

General

  • Target

    64346dfa8873748989224062461f6ed1e6a4c33ba1eaac7cb117231525bb1e6e.exe

  • Size

    348KB

  • MD5

    2222886461ccfa1a042fc81b4348a5e5

  • SHA1

    7a37b2cc112bc2a96129d730ca2deaf46c8d0a9c

  • SHA256

    64346dfa8873748989224062461f6ed1e6a4c33ba1eaac7cb117231525bb1e6e

  • SHA512

    94b49164e5c000134143a4114591b77a82a72689d648aa8e67b0d1998b41700415197fe199275bca6fa429a87f3ef10b6bfd534a5b4934418b3676d552995267

  • SSDEEP

    6144:GkETfwQgA3pnZI/Aitb2SKfZU7MacJl9vmDQqcgZ3OlI:ND0WBtb2SKfZKpSl9vm5/OlI

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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 32 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\64346dfa8873748989224062461f6ed1e6a4c33ba1eaac7cb117231525bb1e6e.exe
    "C:\Users\Admin\AppData\Local\Temp\64346dfa8873748989224062461f6ed1e6a4c33ba1eaac7cb117231525bb1e6e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4316
    • C:\Users\Admin\AppData\Local\Temp\u3bw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3bw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4524
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 2020
        3⤵
        • Program crash
        PID:2904
    • C:\Users\Admin\AppData\Local\Temp\u3bw.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u3bw.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:856
      • 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:3048
        • 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:4736
    • C:\Users\Admin\AppData\Local\Temp\u3bw.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u3bw.3.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3432
      • 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:4816
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 1144
      2⤵
      • Program crash
      PID:3308
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4316 -ip 4316
    1⤵
      PID:2300
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4524 -ip 4524
      1⤵
        PID:1828

      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\dce4d7fa

        Filesize

        1.4MB

        MD5

        9e6e18979d565ea0505804a30a71eee4

        SHA1

        477aa83dcbfeaa7a801b6b1baa4fea8fe043b49f

        SHA256

        ffe41a91c6721d5820b1c0e1a71594212db69ebec4db7af162d2400d2b43c0ff

        SHA512

        6722a46edbdd3a39e1b26a449f73d0a1dcbc42783c9b6af0230b48a2eb91d34728e766b4ab04076bb1764955b48c4c88b903c11030ecd5055b42534321d7bdf8

      • C:\Users\Admin\AppData\Local\Temp\tmpEFEF.tmp

        Filesize

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmpF011.tmp

        Filesize

        20KB

        MD5

        49693267e0adbcd119f9f5e02adf3a80

        SHA1

        3ba3d7f89b8ad195ca82c92737e960e1f2b349df

        SHA256

        d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

        SHA512

        b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

      • C:\Users\Admin\AppData\Local\Temp\u3bw.0.exe

        Filesize

        203KB

        MD5

        50792056ece27ef9dcf40cfb27e70f7c

        SHA1

        37d1bcabba7de27fcc75a0723f207d19ec970c09

        SHA256

        d874905b9703bec7c19b2353dcac8faab4bb31dbadf4e929e2ba3b5e84c58e33

        SHA512

        c3338ac703484952c39f2050875c45c08c82629bd736112adc7226d4f8074b0130ae2b56825527187593d7ee07295ef45b8e74e53089ab124c80c57c120c46e9

      • C:\Users\Admin\AppData\Local\Temp\u3bw.1.zip

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u3bw.2\UIxMarketPlugin.dll

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u3bw.2\bunch.dat

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u3bw.2\relay.dll

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u3bw.2\run.exe

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u3bw.2\whale.dbf

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • C:\Users\Admin\AppData\Local\Temp\u3bw.3.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/856-100-0x00007FFED1910000-0x00007FFED1B05000-memory.dmp

        Filesize

        2.0MB

      • memory/856-127-0x0000000073230000-0x00000000733AB000-memory.dmp

        Filesize

        1.5MB

      • memory/856-99-0x0000000073230000-0x00000000733AB000-memory.dmp

        Filesize

        1.5MB

      • memory/3048-264-0x0000000073230000-0x00000000733AB000-memory.dmp

        Filesize

        1.5MB

      • memory/3048-179-0x00007FFED1910000-0x00007FFED1B05000-memory.dmp

        Filesize

        2.0MB

      • memory/3432-181-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3432-194-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4316-120-0x0000000000400000-0x0000000002B15000-memory.dmp

        Filesize

        39.1MB

      • memory/4316-121-0x00000000047B0000-0x000000000481D000-memory.dmp

        Filesize

        436KB

      • memory/4316-71-0x0000000000400000-0x0000000002B15000-memory.dmp

        Filesize

        39.1MB

      • memory/4316-1-0x0000000002BA0000-0x0000000002CA0000-memory.dmp

        Filesize

        1024KB

      • memory/4316-3-0x0000000000400000-0x0000000002B15000-memory.dmp

        Filesize

        39.1MB

      • memory/4316-2-0x00000000047B0000-0x000000000481D000-memory.dmp

        Filesize

        436KB

      • memory/4524-263-0x0000000000400000-0x0000000002AF0000-memory.dmp

        Filesize

        38.9MB

      • memory/4524-191-0x0000000000400000-0x0000000002AF0000-memory.dmp

        Filesize

        38.9MB

      • memory/4524-172-0x0000000000400000-0x0000000002AF0000-memory.dmp

        Filesize

        38.9MB

      • memory/4524-126-0x0000000002D30000-0x0000000002E30000-memory.dmp

        Filesize

        1024KB

      • memory/4524-145-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4736-274-0x0000000004E00000-0x0000000004E50000-memory.dmp

        Filesize

        320KB

      • memory/4736-277-0x0000000005A10000-0x0000000005A2E000-memory.dmp

        Filesize

        120KB

      • memory/4736-276-0x0000000005E90000-0x00000000063BC000-memory.dmp

        Filesize

        5.2MB

      • memory/4736-275-0x0000000004C70000-0x0000000004C7A000-memory.dmp

        Filesize

        40KB

      • memory/4736-278-0x0000000005B00000-0x0000000005B66000-memory.dmp

        Filesize

        408KB

      • memory/4736-273-0x0000000004D70000-0x0000000004DE6000-memory.dmp

        Filesize

        472KB

      • memory/4736-272-0x0000000004FF0000-0x00000000051B2000-memory.dmp

        Filesize

        1.8MB

      • memory/4736-271-0x00000000053B0000-0x0000000005954000-memory.dmp

        Filesize

        5.6MB

      • memory/4736-270-0x0000000004CD0000-0x0000000004D62000-memory.dmp

        Filesize

        584KB

      • memory/4736-269-0x00000000005B0000-0x0000000000676000-memory.dmp

        Filesize

        792KB

      • memory/4736-266-0x0000000071D00000-0x0000000072F54000-memory.dmp

        Filesize

        18.3MB

      • memory/4736-297-0x0000000007340000-0x000000000734A000-memory.dmp

        Filesize

        40KB

      • memory/4816-211-0x000001DED4F20000-0x000001DED5220000-memory.dmp

        Filesize

        3.0MB

      • memory/4816-214-0x000001DED9200000-0x000001DED9238000-memory.dmp

        Filesize

        224KB

      • memory/4816-221-0x000001DEDA140000-0x000001DEDA190000-memory.dmp

        Filesize

        320KB

      • memory/4816-229-0x000001DED5250000-0x000001DED5272000-memory.dmp

        Filesize

        136KB

      • memory/4816-198-0x000001DEBA7D0000-0x000001DEBA7DC000-memory.dmp

        Filesize

        48KB

      • memory/4816-196-0x000001DED4AA0000-0x000001DED4BB0000-memory.dmp

        Filesize

        1.1MB

      • memory/4816-253-0x000001DED5280000-0x000001DED529E000-memory.dmp

        Filesize

        120KB

      • memory/4816-195-0x000001DEB5180000-0x000001DEB8A78000-memory.dmp

        Filesize

        57.0MB

      • memory/4816-218-0x000001DEDA8C0000-0x000001DEDADE8000-memory.dmp

        Filesize

        5.2MB

      • memory/4816-216-0x000001DEDA0D0000-0x000001DEDA0DA000-memory.dmp

        Filesize

        40KB

      • memory/4816-217-0x000001DEDA370000-0x000001DEDA392000-memory.dmp

        Filesize

        136KB

      • memory/4816-222-0x000001DEDA0F0000-0x000001DEDA0FC000-memory.dmp

        Filesize

        48KB

      • memory/4816-215-0x000001DED91D0000-0x000001DED91DE000-memory.dmp

        Filesize

        56KB

      • memory/4816-213-0x000001DED9280000-0x000001DED9288000-memory.dmp

        Filesize

        32KB

      • memory/4816-197-0x000001DEBA7B0000-0x000001DEBA7C0000-memory.dmp

        Filesize

        64KB

      • memory/4816-207-0x000001DEBA8B0000-0x000001DEBA8BA000-memory.dmp

        Filesize

        40KB

      • memory/4816-202-0x000001DEBA8D0000-0x000001DEBA8FA000-memory.dmp

        Filesize

        168KB

      • memory/4816-206-0x000001DED4EA0000-0x000001DED4F16000-memory.dmp

        Filesize

        472KB

      • memory/4816-205-0x000001DEBA920000-0x000001DEBA982000-memory.dmp

        Filesize

        392KB

      • memory/4816-204-0x000001DED4DA0000-0x000001DED4E1A000-memory.dmp

        Filesize

        488KB

      • memory/4816-203-0x000001DED4CF0000-0x000001DED4DA2000-memory.dmp

        Filesize

        712KB

      • memory/4816-201-0x000001DEBA860000-0x000001DEBA86A000-memory.dmp

        Filesize

        40KB

      • memory/4816-200-0x000001DEBA830000-0x000001DEBA854000-memory.dmp

        Filesize

        144KB

      • memory/4816-199-0x000001DEBA7C0000-0x000001DEBA7D4000-memory.dmp

        Filesize

        80KB