Analysis

  • max time kernel
    144s
  • max time network
    145s
  • 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 15:55

General

  • Target

    b1f2d4d0f6cab4a84013cbd960fcd8c352f26c44da954a0de368b2ea0883055b.exe

  • Size

    347KB

  • MD5

    3912d8c09bd253eaf47e1aca1d21b2be

  • SHA1

    100934e6c20642c72eb12dee9fd9161b7fda17ce

  • SHA256

    b1f2d4d0f6cab4a84013cbd960fcd8c352f26c44da954a0de368b2ea0883055b

  • SHA512

    91e20d6311a1acbef0028394cf1b33cf9f983a00088d51a1a65cfa923cf3d618df337267399ae43bfe96e6b1682752d1e8ebf5efca473a56a505e8e7b8f17826

  • SSDEEP

    6144:P1SlGfYPq0CBuE7ksjf4chEbx0v4DOfJMiV8gbmRCDFhr19s21i/:sPucEQmPGbxqelgTbMsk21i/

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 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\b1f2d4d0f6cab4a84013cbd960fcd8c352f26c44da954a0de368b2ea0883055b.exe
    "C:\Users\Admin\AppData\Local\Temp\b1f2d4d0f6cab4a84013cbd960fcd8c352f26c44da954a0de368b2ea0883055b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Users\Admin\AppData\Local\Temp\u26k.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u26k.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2068
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 2280
        3⤵
        • Program crash
        PID:3652
    • C:\Users\Admin\AppData\Local\Temp\u26k.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u26k.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:1440
      • 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:3172
        • 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:5024
    • C:\Users\Admin\AppData\Local\Temp\u26k.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u26k.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:724
      • 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:2376
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2828 -s 1224
      2⤵
      • Program crash
      PID:2028
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2828 -ip 2828
    1⤵
      PID:380
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2068 -ip 2068
      1⤵
        PID:3864

      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\c016fe62

        Filesize

        1.4MB

        MD5

        26324377ba79e7fbd5ea99e0db64c3a7

        SHA1

        e9802405fc9cf950e5022f76fd1483fb570d883a

        SHA256

        1cd8843cdae02154d7e102e3039fc92082c45c24e2742ef6697b95855a0bcd59

        SHA512

        06714d4cd9d6cf733b3387a32ef3e99f8a496bba06cbf9254184ea847ea200b4ce2fc52c0d0481bcbc992b25910b4c1d897c437da17c4f7fed0cb665e9178250

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

        Filesize

        3KB

        MD5

        d3deb829fd3d82e853b060209d3611c5

        SHA1

        3116f37878782cc77525a0df33cefbf1cc620746

        SHA256

        9d67e8684a2a4057fd210dfe4d06a14294159be57a99ffb8f9d8ea3a0241b8a9

        SHA512

        1632397452dcdd508358dbc29ca82880a6967daaeaaaeb641bc173aefcf82cf6de4a6ebd3d6e73aba8f2d444fd2b0f923a950586708975c66ca157dd5256b491

      • C:\Users\Admin\AppData\Local\Temp\tmpDAE0.tmp

        Filesize

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmpDB02.tmp

        Filesize

        20KB

        MD5

        49693267e0adbcd119f9f5e02adf3a80

        SHA1

        3ba3d7f89b8ad195ca82c92737e960e1f2b349df

        SHA256

        d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

        SHA512

        b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

      • C:\Users\Admin\AppData\Local\Temp\u26k.0.exe

        Filesize

        203KB

        MD5

        a124616d409f0404a945b001df5d0638

        SHA1

        be0add9636281cfeb709325c20fe67612ed05e24

        SHA256

        25096c893fd3303edf71650914517d1d1003c9f1a44f3c1032585b717f56e998

        SHA512

        475b5c4bb117029600106c95f7b21647cd2633c5083db64747c569e4c5b8de9c6db07e4f5317a52e5739c003cb13d0ff26ad73df86f3ccd2332f0e20f8adeea9

      • C:\Users\Admin\AppData\Local\Temp\u26k.1.zip

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u26k.2\UIxMarketPlugin.dll

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u26k.2\bunch.dat

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u26k.2\relay.dll

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u26k.2\run.exe

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u26k.2\whale.dbf

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • C:\Users\Admin\AppData\Local\Temp\u26k.3.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/724-191-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/724-207-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1440-125-0x0000000072890000-0x0000000072A0B000-memory.dmp

        Filesize

        1.5MB

      • memory/1440-99-0x0000000072890000-0x0000000072A0B000-memory.dmp

        Filesize

        1.5MB

      • memory/1440-100-0x00007FFDA25B0000-0x00007FFDA27A5000-memory.dmp

        Filesize

        2.0MB

      • memory/2068-129-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2068-186-0x0000000000400000-0x0000000002AF0000-memory.dmp

        Filesize

        38.9MB

      • memory/2068-208-0x0000000000400000-0x0000000002AF0000-memory.dmp

        Filesize

        38.9MB

      • memory/2068-128-0x0000000002B00000-0x0000000002C00000-memory.dmp

        Filesize

        1024KB

      • memory/2068-262-0x0000000000400000-0x0000000002AF0000-memory.dmp

        Filesize

        38.9MB

      • memory/2376-234-0x000001BBDDA50000-0x000001BBDDA64000-memory.dmp

        Filesize

        80KB

      • memory/2376-256-0x000001BBFC510000-0x000001BBFC51A000-memory.dmp

        Filesize

        40KB

      • memory/2376-222-0x000001BBD83C0000-0x000001BBDBCB8000-memory.dmp

        Filesize

        57.0MB

      • memory/2376-227-0x000001BBF7C80000-0x000001BBF7D90000-memory.dmp

        Filesize

        1.1MB

      • memory/2376-230-0x000001BBF6130000-0x000001BBF613C000-memory.dmp

        Filesize

        48KB

      • memory/2376-229-0x000001BBDC0E0000-0x000001BBDC0F0000-memory.dmp

        Filesize

        64KB

      • memory/2376-266-0x000001BBF84C0000-0x000001BBF84DE000-memory.dmp

        Filesize

        120KB

      • memory/2376-235-0x000001BBF6190000-0x000001BBF61B4000-memory.dmp

        Filesize

        144KB

      • memory/2376-265-0x000001BBF8490000-0x000001BBF84B2000-memory.dmp

        Filesize

        136KB

      • memory/2376-241-0x000001BBDDA30000-0x000001BBDDA3A000-memory.dmp

        Filesize

        40KB

      • memory/2376-242-0x000001BBF7ED0000-0x000001BBF7F82000-memory.dmp

        Filesize

        712KB

      • memory/2376-243-0x000001BBF61C0000-0x000001BBF61EA000-memory.dmp

        Filesize

        168KB

      • memory/2376-246-0x000001BBF80E0000-0x000001BBF8156000-memory.dmp

        Filesize

        472KB

      • memory/2376-245-0x000001BBF8000000-0x000001BBF8062000-memory.dmp

        Filesize

        392KB

      • memory/2376-244-0x000001BBF7F80000-0x000001BBF7FFA000-memory.dmp

        Filesize

        488KB

      • memory/2376-247-0x000001BBDDA40000-0x000001BBDDA4A000-memory.dmp

        Filesize

        40KB

      • memory/2376-251-0x000001BBF8160000-0x000001BBF8460000-memory.dmp

        Filesize

        3.0MB

      • memory/2376-253-0x000001BBFBD90000-0x000001BBFBD98000-memory.dmp

        Filesize

        32KB

      • memory/2376-255-0x000001BBFC460000-0x000001BBFC46E000-memory.dmp

        Filesize

        56KB

      • memory/2376-254-0x000001BBFC4A0000-0x000001BBFC4D8000-memory.dmp

        Filesize

        224KB

      • memory/2376-257-0x000001BBFD5D0000-0x000001BBFD5F2000-memory.dmp

        Filesize

        136KB

      • memory/2376-263-0x000001BBFD3A0000-0x000001BBFD3F0000-memory.dmp

        Filesize

        320KB

      • memory/2376-264-0x000001BBFC520000-0x000001BBFC52C000-memory.dmp

        Filesize

        48KB

      • memory/2376-259-0x000001BBFDB20000-0x000001BBFE048000-memory.dmp

        Filesize

        5.2MB

      • memory/2828-93-0x0000000000400000-0x0000000002B15000-memory.dmp

        Filesize

        39.1MB

      • memory/2828-120-0x0000000000400000-0x0000000002B15000-memory.dmp

        Filesize

        39.1MB

      • memory/2828-1-0x0000000002CF0000-0x0000000002DF0000-memory.dmp

        Filesize

        1024KB

      • memory/2828-2-0x0000000004790000-0x00000000047FD000-memory.dmp

        Filesize

        436KB

      • memory/2828-3-0x0000000000400000-0x0000000002B15000-memory.dmp

        Filesize

        39.1MB

      • memory/3172-258-0x0000000072890000-0x0000000072A0B000-memory.dmp

        Filesize

        1.5MB

      • memory/3172-187-0x00007FFDA25B0000-0x00007FFDA27A5000-memory.dmp

        Filesize

        2.0MB

      • memory/5024-274-0x00000000051D0000-0x0000000005774000-memory.dmp

        Filesize

        5.6MB

      • memory/5024-273-0x0000000004B80000-0x0000000004C12000-memory.dmp

        Filesize

        584KB

      • memory/5024-275-0x0000000004F30000-0x00000000050F2000-memory.dmp

        Filesize

        1.8MB

      • memory/5024-276-0x0000000004CA0000-0x0000000004D16000-memory.dmp

        Filesize

        472KB

      • memory/5024-277-0x0000000004C50000-0x0000000004CA0000-memory.dmp

        Filesize

        320KB

      • memory/5024-278-0x0000000004B40000-0x0000000004B4A000-memory.dmp

        Filesize

        40KB

      • memory/5024-279-0x0000000005DB0000-0x00000000062DC000-memory.dmp

        Filesize

        5.2MB

      • memory/5024-280-0x00000000058E0000-0x00000000058FE000-memory.dmp

        Filesize

        120KB

      • memory/5024-281-0x00000000059D0000-0x0000000005A36000-memory.dmp

        Filesize

        408KB

      • memory/5024-272-0x0000000000500000-0x00000000005C6000-memory.dmp

        Filesize

        792KB

      • memory/5024-269-0x0000000071360000-0x00000000725B4000-memory.dmp

        Filesize

        18.3MB