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Analysis

  • max time kernel
    142s
  • max time network
    141s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    29/04/2024, 16:01

General

  • Target

    cb6d9e0da0d0314e10991ba79e9da46be1b9d3b8ee6bc576c89c4a573940016e.exe

  • Size

    347KB

  • MD5

    3b1e4971101aa30374bd2f6c787adbd1

  • SHA1

    80d7876c92d0bfcceb4f5d453baac27812f52dcc

  • SHA256

    cb6d9e0da0d0314e10991ba79e9da46be1b9d3b8ee6bc576c89c4a573940016e

  • SHA512

    8a066368e3db2cc3bd8146ff9b9a4ac5de3acc5ae13bd4501864603eafe0aeae8369eb3517dc530f1f2d8a11ab2d7a171b0ce4d4391a8bff551c0e58f10f6c00

  • SSDEEP

    6144:b4ZQNIo0QKjHUGwo2ve4u5b85/k1sZtl8OguSDU4pt3hdno6:boQNUQ+HUGj2v4981MsXl87uSDU4pe6

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 29 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 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb6d9e0da0d0314e10991ba79e9da46be1b9d3b8ee6bc576c89c4a573940016e.exe
    "C:\Users\Admin\AppData\Local\Temp\cb6d9e0da0d0314e10991ba79e9da46be1b9d3b8ee6bc576c89c4a573940016e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4468
    • C:\Users\Admin\AppData\Local\Temp\u3g4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3g4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2080
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 2448
        3⤵
        • Program crash
        PID:1312
    • C:\Users\Admin\AppData\Local\Temp\u3g4.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u3g4.2\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:3064
      • 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:1400
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:5116
    • C:\Users\Admin\AppData\Local\Temp\u3g4.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u3g4.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2764
      • 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:2168
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 1620
      2⤵
      • Program crash
      PID:4028
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4468 -ip 4468
    1⤵
      PID:4752
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2080 -ip 2080
      1⤵
        PID:1904

      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\29805d9

        Filesize

        1.4MB

        MD5

        476ae18b98035291f1af532faf6c0849

        SHA1

        b0d00c9f96c6a0ce25598bfec7034b014d778e54

        SHA256

        93c0a68e99e0166f20269794a9505708420175d2be9cf685aac9c937b1e18bea

        SHA512

        0f5e2db5191bb6678e5c269c1e9964431cb11b65b0c6e6c6f87d503da0de30e44048e6a3ec7e11cb5fe329a1d4158507dbe937508b783aaa0d08d48149d63447

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

        Filesize

        2KB

        MD5

        c30d0c7179ec30cfff6dd500eee3d7c0

        SHA1

        bbf0b011a926317927ac8a1fa44def047b5a24cf

        SHA256

        690e0befb0b90f7c85aa04f26103ff5e3b6a2222892e6e0a2d860d0211afbb6d

        SHA512

        5376dec52697e22fa3678cf5d224c01c92aaa745700490920763fa8dd063c39e45f8343d14c8196045d4d9aa4d7b5218ffe36d291ba69d171d52f4f169baa8de

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

        Filesize

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmpD0F.tmp

        Filesize

        20KB

        MD5

        22be08f683bcc01d7a9799bbd2c10041

        SHA1

        2efb6041cf3d6e67970135e592569c76fc4c41de

        SHA256

        451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457

        SHA512

        0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936

      • C:\Users\Admin\AppData\Local\Temp\u3g4.0.exe

        Filesize

        203KB

        MD5

        dce5dad83235fc6ed6a3be41c8a0c65a

        SHA1

        5322656bca0aca1f65ff6a8b9cc0a3f569ef9b73

        SHA256

        1f1e0fe8ed308f9eeb39dac12c4a1b880effc6c512b4d5f8222987a9cd260308

        SHA512

        6539754abe61b14abe3113304ff62eb90bf6abf38748d61c72c9b39cc23b36ee3a4fcd27f501528bb8d0bcdd505e7fbb7da30c425a4f7a267a96a106f530f190

      • C:\Users\Admin\AppData\Local\Temp\u3g4.1.zip

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u3g4.2\UIxMarketPlugin.dll

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u3g4.2\bunch.dat

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u3g4.2\relay.dll

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u3g4.2\run.exe

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u3g4.2\whale.dbf

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • C:\Users\Admin\AppData\Local\Temp\u3g4.3.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1400-187-0x00000000727C0000-0x000000007293D000-memory.dmp

        Filesize

        1.5MB

      • memory/1400-144-0x00007FFEDEA00000-0x00007FFEDEC09000-memory.dmp

        Filesize

        2.0MB

      • memory/2080-238-0x0000000000400000-0x0000000002AF0000-memory.dmp

        Filesize

        38.9MB

      • memory/2080-195-0x0000000002C70000-0x0000000002D70000-memory.dmp

        Filesize

        1024KB

      • memory/2080-281-0x0000000000400000-0x0000000002AF0000-memory.dmp

        Filesize

        38.9MB

      • memory/2080-196-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2168-185-0x0000029DEDFE0000-0x0000029DEE030000-memory.dmp

        Filesize

        320KB

      • memory/2168-177-0x0000029DE94C0000-0x0000029DE94C8000-memory.dmp

        Filesize

        32KB

      • memory/2168-160-0x0000029DE9060000-0x0000029DE9170000-memory.dmp

        Filesize

        1.1MB

      • memory/2168-162-0x0000029DE8480000-0x0000029DE848C000-memory.dmp

        Filesize

        48KB

      • memory/2168-161-0x0000029DE6B00000-0x0000029DE6B10000-memory.dmp

        Filesize

        64KB

      • memory/2168-163-0x0000029DE8470000-0x0000029DE8484000-memory.dmp

        Filesize

        80KB

      • memory/2168-164-0x0000029DE84F0000-0x0000029DE8514000-memory.dmp

        Filesize

        144KB

      • memory/2168-169-0x0000029DE93F0000-0x0000029DE9452000-memory.dmp

        Filesize

        392KB

      • memory/2168-168-0x0000029DE9370000-0x0000029DE93EA000-memory.dmp

        Filesize

        488KB

      • memory/2168-167-0x0000029DE8E10000-0x0000029DE8E3A000-memory.dmp

        Filesize

        168KB

      • memory/2168-166-0x0000029DE92C0000-0x0000029DE9372000-memory.dmp

        Filesize

        712KB

      • memory/2168-165-0x0000029DE8DF0000-0x0000029DE8DFA000-memory.dmp

        Filesize

        40KB

      • memory/2168-186-0x0000029DEDF60000-0x0000029DEDF6C000-memory.dmp

        Filesize

        48KB

      • memory/2168-171-0x0000029DE8440000-0x0000029DE844A000-memory.dmp

        Filesize

        40KB

      • memory/2168-175-0x0000029DE9550000-0x0000029DE9850000-memory.dmp

        Filesize

        3.0MB

      • memory/2168-188-0x0000029DEE2B0000-0x0000029DEE2D2000-memory.dmp

        Filesize

        136KB

      • memory/2168-178-0x0000029DED870000-0x0000029DED8A8000-memory.dmp

        Filesize

        224KB

      • memory/2168-179-0x0000029DED840000-0x0000029DED84E000-memory.dmp

        Filesize

        56KB

      • memory/2168-181-0x0000029DEDF40000-0x0000029DEDF62000-memory.dmp

        Filesize

        136KB

      • memory/2168-180-0x0000029DED8F0000-0x0000029DED8FA000-memory.dmp

        Filesize

        40KB

      • memory/2168-182-0x0000029DEE4C0000-0x0000029DEE9E8000-memory.dmp

        Filesize

        5.2MB

      • memory/2168-239-0x0000029DE8EA0000-0x0000029DE9053000-memory.dmp

        Filesize

        1.7MB

      • memory/2168-159-0x0000029DE2D70000-0x0000029DE6668000-memory.dmp

        Filesize

        57.0MB

      • memory/2168-170-0x0000029DE94D0000-0x0000029DE9546000-memory.dmp

        Filesize

        472KB

      • memory/2168-189-0x0000029DEDFB0000-0x0000029DEDFCE000-memory.dmp

        Filesize

        120KB

      • memory/2764-158-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2764-146-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3064-100-0x00007FFEDEA00000-0x00007FFEDEC09000-memory.dmp

        Filesize

        2.0MB

      • memory/3064-99-0x00000000727C0000-0x000000007293D000-memory.dmp

        Filesize

        1.5MB

      • memory/3064-126-0x00000000727C0000-0x000000007293D000-memory.dmp

        Filesize

        1.5MB

      • memory/4468-125-0x0000000004830000-0x000000000489D000-memory.dmp

        Filesize

        436KB

      • memory/4468-1-0x0000000002E90000-0x0000000002F90000-memory.dmp

        Filesize

        1024KB

      • memory/4468-2-0x0000000004830000-0x000000000489D000-memory.dmp

        Filesize

        436KB

      • memory/4468-13-0x0000000000400000-0x0000000002B15000-memory.dmp

        Filesize

        39.1MB

      • memory/4468-3-0x0000000000400000-0x0000000002B15000-memory.dmp

        Filesize

        39.1MB

      • memory/4468-124-0x0000000000400000-0x0000000002B15000-memory.dmp

        Filesize

        39.1MB

      • memory/5116-277-0x0000000005A10000-0x0000000005A60000-memory.dmp

        Filesize

        320KB

      • memory/5116-275-0x0000000005AE0000-0x0000000005CA2000-memory.dmp

        Filesize

        1.8MB

      • memory/5116-276-0x0000000005990000-0x0000000005A06000-memory.dmp

        Filesize

        472KB

      • memory/5116-274-0x0000000005EC0000-0x0000000006466000-memory.dmp

        Filesize

        5.6MB

      • memory/5116-278-0x0000000005830000-0x000000000583A000-memory.dmp

        Filesize

        40KB

      • memory/5116-279-0x0000000006AA0000-0x0000000006FCC000-memory.dmp

        Filesize

        5.2MB

      • memory/5116-280-0x00000000065C0000-0x00000000065DE000-memory.dmp

        Filesize

        120KB

      • memory/5116-282-0x0000000006790000-0x00000000067F6000-memory.dmp

        Filesize

        408KB

      • memory/5116-273-0x0000000005870000-0x0000000005902000-memory.dmp

        Filesize

        584KB

      • memory/5116-272-0x0000000001100000-0x00000000011C6000-memory.dmp

        Filesize

        792KB

      • memory/5116-192-0x0000000072D60000-0x0000000074077000-memory.dmp

        Filesize

        19.1MB