Analysis

  • max time kernel
    130s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 04:47

General

  • Target

    16c626e0e471d1c6ee394c06c36c7b94.exe

  • Size

    455KB

  • MD5

    16c626e0e471d1c6ee394c06c36c7b94

  • SHA1

    e0553e3ef1c67110ebfcaca33b071d8a0fde0c09

  • SHA256

    ed178bcbabb10ed904b432c53d08aa215a07511889dfc34225dd852c088a833e

  • SHA512

    d2d56d5cbe4582b4416bc6b67e2e8cb04bdbe1f3e07d178c7c8467b41eb9b6e1e8367e33b716bf3c9af18c1ef3787f94fcf027665c170cd9502101acd47da0db

  • SSDEEP

    6144:dndKNo69iOHScmTvdTtWxM0xJe5oTBCLV9n7s3ODE2:dnsN9SJZTtWxM0T3cnI3wE2

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.62

Attributes
  • url_path

    /902e53a07830e030.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 30 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\16c626e0e471d1c6ee394c06c36c7b94.exe
    "C:\Users\Admin\AppData\Local\Temp\16c626e0e471d1c6ee394c06c36c7b94.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3576
    • C:\Users\Admin\AppData\Local\Temp\u2rc.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2rc.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2840
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 2340
        3⤵
        • Program crash
        PID:2000
    • C:\Users\Admin\AppData\Local\Temp\u2rc.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u2rc.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:404
      • 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:1252
        • 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:4772
    • C:\Users\Admin\AppData\Local\Temp\u2rc.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u2rc.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:676
      • 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:1368
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 1592
      2⤵
      • Program crash
      PID:3584
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3576 -ip 3576
    1⤵
      PID:3092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2840 -ip 2840
      1⤵
        PID:100

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Credential Access

      Unsecured Credentials

      3
      T1552

      Credentials In Files

      3
      T1552.001

      Discovery

      Query Registry

      4
      T1012

      System Information Discovery

      4
      T1082

      Peripheral Device Discovery

      1
      T1120

      Collection

      Data from Local System

      3
      T1005

      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\a3ef5505
        Filesize

        1.4MB

        MD5

        251da59e62a48c5559dec69c2c64754b

        SHA1

        c59a4eac42108b559f3faeba9cc6555b2b29e1d1

        SHA256

        c5ffa9db24495ef0809dc0dcc0aebdb9c64a0cb6e8233d044b2276f6a0632ed5

        SHA512

        4e049d78307b0b23b90c64eb05c1b4ba88a0b477a18b95ca13d0fca02bce3bc9bde804f1af976ffdd97650bc2327d1fa8696b71f2eab8e330a927f847bc81504

      • C:\Users\Admin\AppData\Local\Temp\tmpC6EB.tmp
        Filesize

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmpC71D.tmp
        Filesize

        20KB

        MD5

        49693267e0adbcd119f9f5e02adf3a80

        SHA1

        3ba3d7f89b8ad195ca82c92737e960e1f2b349df

        SHA256

        d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

        SHA512

        b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

      • C:\Users\Admin\AppData\Local\Temp\u2rc.0.exe
        Filesize

        311KB

        MD5

        aed159d44da4c704179ec0932539f0d6

        SHA1

        79951d01b3d08a9f0d78a4664cf6a14d2bd49cc3

        SHA256

        af4eb9efd0598c707a5a1a443b3c41138141d056391494da2d81691d619aeb32

        SHA512

        e19beed93b53b84ee2eee16a25ceb6a2a7f8342417861b14e1f8cf8bd0dcd6f6d7513d8ba204a8f7898ce708da29f385790aa82d3211ad7cb77a8e0fda3d877f

      • C:\Users\Admin\AppData\Local\Temp\u2rc.1.zip
        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u2rc.2\UIxMarketPlugin.dll
        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u2rc.2\bunch.dat
        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u2rc.2\relay.dll
        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u2rc.2\run.exe
        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u2rc.2\whale.dbf
        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • C:\Users\Admin\AppData\Local\Temp\u2rc.3.exe
        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/404-169-0x0000000072800000-0x000000007297B000-memory.dmp
        Filesize

        1.5MB

      • memory/404-134-0x0000000072800000-0x000000007297B000-memory.dmp
        Filesize

        1.5MB

      • memory/404-141-0x00007FF8DE670000-0x00007FF8DE865000-memory.dmp
        Filesize

        2.0MB

      • memory/676-201-0x0000000000400000-0x00000000008AD000-memory.dmp
        Filesize

        4.7MB

      • memory/1252-188-0x00007FF8DE670000-0x00007FF8DE865000-memory.dmp
        Filesize

        2.0MB

      • memory/1252-240-0x0000000072800000-0x000000007297B000-memory.dmp
        Filesize

        1.5MB

      • memory/1368-224-0x0000029041CC0000-0x0000029041CE2000-memory.dmp
        Filesize

        136KB

      • memory/1368-203-0x000002903C1A0000-0x000002903C2B0000-memory.dmp
        Filesize

        1.1MB

      • memory/1368-229-0x0000029041A30000-0x0000029041A3C000-memory.dmp
        Filesize

        48KB

      • memory/1368-202-0x000002901CAC0000-0x00000290203B8000-memory.dmp
        Filesize

        57.0MB

      • memory/1368-230-0x0000029041AD0000-0x0000029041AF2000-memory.dmp
        Filesize

        136KB

      • memory/1368-205-0x0000029022130000-0x000002902213C000-memory.dmp
        Filesize

        48KB

      • memory/1368-204-0x00000290207C0000-0x00000290207D0000-memory.dmp
        Filesize

        64KB

      • memory/1368-206-0x00000290207E0000-0x00000290207F4000-memory.dmp
        Filesize

        80KB

      • memory/1368-207-0x000002903C2B0000-0x000002903C2D4000-memory.dmp
        Filesize

        144KB

      • memory/1368-208-0x000002903C530000-0x000002903C53A000-memory.dmp
        Filesize

        40KB

      • memory/1368-209-0x000002903C550000-0x000002903C57A000-memory.dmp
        Filesize

        168KB

      • memory/1368-210-0x000002903C580000-0x000002903C632000-memory.dmp
        Filesize

        712KB

      • memory/1368-213-0x000002903C7A0000-0x000002903C816000-memory.dmp
        Filesize

        472KB

      • memory/1368-212-0x000002903C6C0000-0x000002903C722000-memory.dmp
        Filesize

        392KB

      • memory/1368-211-0x000002903C630000-0x000002903C6AA000-memory.dmp
        Filesize

        488KB

      • memory/1368-231-0x0000029041B00000-0x0000029041B1E000-memory.dmp
        Filesize

        120KB

      • memory/1368-218-0x000002903C820000-0x000002903CB20000-memory.dmp
        Filesize

        3.0MB

      • memory/1368-220-0x0000029041210000-0x0000029041218000-memory.dmp
        Filesize

        32KB

      • memory/1368-221-0x0000029040B90000-0x0000029040BC8000-memory.dmp
        Filesize

        224KB

      • memory/1368-222-0x0000029040B60000-0x0000029040B6E000-memory.dmp
        Filesize

        56KB

      • memory/1368-223-0x0000029041CB0000-0x0000029041CBA000-memory.dmp
        Filesize

        40KB

      • memory/1368-214-0x000002903C540000-0x000002903C54A000-memory.dmp
        Filesize

        40KB

      • memory/1368-225-0x0000029042210000-0x0000029042738000-memory.dmp
        Filesize

        5.2MB

      • memory/1368-228-0x0000029041A80000-0x0000029041AD0000-memory.dmp
        Filesize

        320KB

      • memory/2840-59-0x0000000061E00000-0x0000000061EF3000-memory.dmp
        Filesize

        972KB

      • memory/2840-13-0x0000000001CF0000-0x0000000001DF0000-memory.dmp
        Filesize

        1024KB

      • memory/2840-14-0x0000000001CA0000-0x0000000001CC7000-memory.dmp
        Filesize

        156KB

      • memory/2840-236-0x0000000000400000-0x0000000001A19000-memory.dmp
        Filesize

        22.1MB

      • memory/2840-15-0x0000000000400000-0x0000000001A19000-memory.dmp
        Filesize

        22.1MB

      • memory/2840-241-0x0000000001CF0000-0x0000000001DF0000-memory.dmp
        Filesize

        1024KB

      • memory/2840-312-0x0000000000400000-0x0000000001A19000-memory.dmp
        Filesize

        22.1MB

      • memory/2840-313-0x0000000000400000-0x0000000001A19000-memory.dmp
        Filesize

        22.1MB

      • memory/2840-187-0x0000000000400000-0x0000000001A19000-memory.dmp
        Filesize

        22.1MB

      • memory/2840-269-0x0000000000400000-0x0000000001A19000-memory.dmp
        Filesize

        22.1MB

      • memory/3576-161-0x0000000000400000-0x0000000001A3D000-memory.dmp
        Filesize

        22.2MB

      • memory/3576-1-0x0000000001CB0000-0x0000000001DB0000-memory.dmp
        Filesize

        1024KB

      • memory/3576-3-0x0000000000400000-0x0000000001A3D000-memory.dmp
        Filesize

        22.2MB

      • memory/3576-2-0x0000000001BC0000-0x0000000001C2D000-memory.dmp
        Filesize

        436KB

      • memory/4772-246-0x00000000713A0000-0x00000000725F4000-memory.dmp
        Filesize

        18.3MB

      • memory/4772-274-0x0000000004FA0000-0x0000000005016000-memory.dmp
        Filesize

        472KB

      • memory/4772-276-0x0000000004DA0000-0x0000000004DAA000-memory.dmp
        Filesize

        40KB

      • memory/4772-281-0x00000000060B0000-0x00000000065DC000-memory.dmp
        Filesize

        5.2MB

      • memory/4772-282-0x0000000005490000-0x00000000054AE000-memory.dmp
        Filesize

        120KB

      • memory/4772-283-0x0000000005C30000-0x0000000005C96000-memory.dmp
        Filesize

        408KB

      • memory/4772-273-0x00000000050F0000-0x00000000052B2000-memory.dmp
        Filesize

        1.8MB

      • memory/4772-275-0x0000000004EB0000-0x0000000004F00000-memory.dmp
        Filesize

        320KB

      • memory/4772-302-0x0000000007650000-0x000000000765A000-memory.dmp
        Filesize

        40KB

      • memory/4772-270-0x0000000000700000-0x00000000007C6000-memory.dmp
        Filesize

        792KB

      • memory/4772-271-0x0000000004E00000-0x0000000004E92000-memory.dmp
        Filesize

        584KB

      • memory/4772-272-0x00000000054D0000-0x0000000005A74000-memory.dmp
        Filesize

        5.6MB