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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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, 19:45

General

  • Target

    d5b9034e839243918fa5a5fde4ebfeb1c21ffec0f418b09ec24592c758c62c91.exe

  • Size

    347KB

  • MD5

    e86d7b6e890bb61397e9d621a9a1890e

  • SHA1

    ed3397a13e314a0684786c08ee3e4609736c4165

  • SHA256

    d5b9034e839243918fa5a5fde4ebfeb1c21ffec0f418b09ec24592c758c62c91

  • SHA512

    6f48a075a46c3b12056da54fcb8039aedb84ad0866a3ffe8b668369f641ae624eed537b32cbd35719cae4be51f3a2e8154a89b8448d88ca75605af27240b3709

  • SSDEEP

    6144:dD0MWKPc0wJk+uRjiu4FpXFr9TgvzI3OrfI:aMWPJKQFpXFR0vzjI

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 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\d5b9034e839243918fa5a5fde4ebfeb1c21ffec0f418b09ec24592c758c62c91.exe
    "C:\Users\Admin\AppData\Local\Temp\d5b9034e839243918fa5a5fde4ebfeb1c21ffec0f418b09ec24592c758c62c91.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\Users\Admin\AppData\Local\Temp\u3iw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3iw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3364
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 2312
        3⤵
        • Program crash
        PID:3108
    • C:\Users\Admin\AppData\Local\Temp\u3iw.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u3iw.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:4812
      • 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:1544
        • 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:2872
    • C:\Users\Admin\AppData\Local\Temp\u3iw.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u3iw.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:4632
      • 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:2740
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 1584
      2⤵
      • Program crash
      PID:1480
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4568 -ip 4568
    1⤵
      PID:3668
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3364 -ip 3364
      1⤵
        PID:4668

      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\c95ccf69

        Filesize

        1.4MB

        MD5

        bfa94b34c0a405a62d4fef0c9eca4fa2

        SHA1

        6a9af823e3bf808170d7fdef0331ae275209aa9f

        SHA256

        3b6106342a865b54afc8c6d18ac84f112a6ca0cf5325bb4f9ebdf10588bc45bf

        SHA512

        5267803d8c8442b09196fecbd6a99867ba259f76c30a2d23e8a966d2237ed1042698f77e98708476dbb7bae0333f627c93f3578ef9c99df804aa140fc956b012

      • C:\Users\Admin\AppData\Local\Temp\tmpEF91.tmp

        Filesize

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmpEFB3.tmp

        Filesize

        20KB

        MD5

        49693267e0adbcd119f9f5e02adf3a80

        SHA1

        3ba3d7f89b8ad195ca82c92737e960e1f2b349df

        SHA256

        d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

        SHA512

        b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

      • C:\Users\Admin\AppData\Local\Temp\u3iw.0.exe

        Filesize

        203KB

        MD5

        2f86937ad3cdaff7287236a1e404886b

        SHA1

        3dd0b323a149babe4d4ee76f2a10171ceb28cc04

        SHA256

        0d5efca4bc1e92e344799c3f52157792e51ed052637c4ea483d007655fad657e

        SHA512

        e151213d5c7ed02e3e6d997d1bf5278b947bacecad29d0886d5d79aa0aaf4a9dc2b5fb1c2a7c127c6e9a8d105eb29a872a5093152503c8636060d479890d4b63

      • C:\Users\Admin\AppData\Local\Temp\u3iw.1.zip

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u3iw.2\UIxMarketPlugin.dll

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u3iw.2\bunch.dat

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u3iw.2\relay.dll

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u3iw.2\run.exe

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u3iw.2\whale.dbf

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • C:\Users\Admin\AppData\Local\Temp\u3iw.3.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1544-268-0x0000000073600000-0x000000007377B000-memory.dmp

        Filesize

        1.5MB

      • memory/1544-172-0x00007FF96EA50000-0x00007FF96EC45000-memory.dmp

        Filesize

        2.0MB

      • memory/2740-253-0x0000012581890000-0x00000125818E0000-memory.dmp

        Filesize

        320KB

      • memory/2740-246-0x0000012581850000-0x0000012581888000-memory.dmp

        Filesize

        224KB

      • memory/2740-266-0x00000125817A0000-0x00000125817BE000-memory.dmp

        Filesize

        120KB

      • memory/2740-264-0x00000125818E0000-0x0000012581902000-memory.dmp

        Filesize

        136KB

      • memory/2740-254-0x0000012520770000-0x000001252077C000-memory.dmp

        Filesize

        48KB

      • memory/2740-250-0x0000012521AF0000-0x0000012522018000-memory.dmp

        Filesize

        5.2MB

      • memory/2740-248-0x0000012520740000-0x000001252074A000-memory.dmp

        Filesize

        40KB

      • memory/2740-249-0x0000012520750000-0x0000012520772000-memory.dmp

        Filesize

        136KB

      • memory/2740-247-0x0000012581770000-0x000001258177E000-memory.dmp

        Filesize

        56KB

      • memory/2740-245-0x0000012581760000-0x0000012581768000-memory.dmp

        Filesize

        32KB

      • memory/2740-227-0x000001257DE50000-0x0000012581748000-memory.dmp

        Filesize

        57.0MB

      • memory/2740-228-0x000001251C060000-0x000001251C170000-memory.dmp

        Filesize

        1.1MB

      • memory/2740-230-0x0000012500500000-0x000001250050C000-memory.dmp

        Filesize

        48KB

      • memory/2740-229-0x00000125004E0000-0x00000125004F0000-memory.dmp

        Filesize

        64KB

      • memory/2740-231-0x00000125004F0000-0x0000012500504000-memory.dmp

        Filesize

        80KB

      • memory/2740-232-0x000001251A4D0000-0x000001251A4F4000-memory.dmp

        Filesize

        144KB

      • memory/2740-233-0x000001251A4F0000-0x000001251A4FA000-memory.dmp

        Filesize

        40KB

      • memory/2740-236-0x000001251C2B0000-0x000001251C32A000-memory.dmp

        Filesize

        488KB

      • memory/2740-235-0x000001251A580000-0x000001251A632000-memory.dmp

        Filesize

        712KB

      • memory/2740-234-0x000001251A520000-0x000001251A54A000-memory.dmp

        Filesize

        168KB

      • memory/2740-237-0x000001251C330000-0x000001251C392000-memory.dmp

        Filesize

        392KB

      • memory/2740-238-0x00000125817D0000-0x0000012581846000-memory.dmp

        Filesize

        472KB

      • memory/2740-239-0x000001251A500000-0x000001251A50A000-memory.dmp

        Filesize

        40KB

      • memory/2740-243-0x000001251C390000-0x000001251C690000-memory.dmp

        Filesize

        3.0MB

      • memory/2872-270-0x00000000720D0000-0x0000000073324000-memory.dmp

        Filesize

        18.3MB

      • memory/2872-301-0x00000000078D0000-0x00000000078DA000-memory.dmp

        Filesize

        40KB

      • memory/2872-282-0x0000000005EB0000-0x0000000005F16000-memory.dmp

        Filesize

        408KB

      • memory/2872-281-0x0000000005DC0000-0x0000000005DDE000-memory.dmp

        Filesize

        120KB

      • memory/2872-280-0x0000000006270000-0x000000000679C000-memory.dmp

        Filesize

        5.2MB

      • memory/2872-279-0x0000000005030000-0x000000000503A000-memory.dmp

        Filesize

        40KB

      • memory/2872-277-0x0000000005160000-0x00000000051D6000-memory.dmp

        Filesize

        472KB

      • memory/2872-278-0x0000000005280000-0x00000000052D0000-memory.dmp

        Filesize

        320KB

      • memory/2872-276-0x0000000005400000-0x00000000055C2000-memory.dmp

        Filesize

        1.8MB

      • memory/2872-275-0x0000000005690000-0x0000000005C34000-memory.dmp

        Filesize

        5.6MB

      • memory/2872-274-0x0000000005040000-0x00000000050D2000-memory.dmp

        Filesize

        584KB

      • memory/2872-273-0x0000000000960000-0x0000000000A26000-memory.dmp

        Filesize

        792KB

      • memory/3364-109-0x0000000002D30000-0x0000000002E30000-memory.dmp

        Filesize

        1024KB

      • memory/3364-265-0x0000000000400000-0x0000000002AF0000-memory.dmp

        Filesize

        38.9MB

      • memory/3364-164-0x0000000000400000-0x0000000002AF0000-memory.dmp

        Filesize

        38.9MB

      • memory/3364-110-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3364-196-0x0000000000400000-0x0000000002AF0000-memory.dmp

        Filesize

        38.9MB

      • memory/4568-105-0x0000000000400000-0x0000000002B15000-memory.dmp

        Filesize

        39.1MB

      • memory/4568-160-0x0000000000400000-0x0000000002B15000-memory.dmp

        Filesize

        39.1MB

      • memory/4568-1-0x0000000002C70000-0x0000000002D70000-memory.dmp

        Filesize

        1024KB

      • memory/4568-2-0x00000000047C0000-0x000000000482D000-memory.dmp

        Filesize

        436KB

      • memory/4568-3-0x0000000000400000-0x0000000002B15000-memory.dmp

        Filesize

        39.1MB

      • memory/4632-226-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4632-197-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4812-106-0x0000000073600000-0x000000007377B000-memory.dmp

        Filesize

        1.5MB

      • memory/4812-98-0x0000000073600000-0x000000007377B000-memory.dmp

        Filesize

        1.5MB

      • memory/4812-99-0x00007FF96EA50000-0x00007FF96EC45000-memory.dmp

        Filesize

        2.0MB