Analysis

  • max time kernel
    142s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/05/2024, 01:48

General

  • Target

    6bea74bd9d96718e04955348bb175fc00018d7e19b94b764fb987702694e6a0f.exe

  • Size

    434KB

  • MD5

    a8ddb720d9e97fb0aa4dd54e8e55b971

  • SHA1

    3797eafecfd3be08f97741886440c7a6a0ddfc4e

  • SHA256

    6bea74bd9d96718e04955348bb175fc00018d7e19b94b764fb987702694e6a0f

  • SHA512

    3cb1fae111027cc00f49fd8e293bcf7ac49f64500d82de810e3aef80deae7d14adb41bdcc0539b68f3aa925fbca43fb0772501fe3d1dd78c1fc9d2c890cced1d

  • SSDEEP

    6144:YjCWCQdVWjXWRSltCvyKN51/jFU+piWhXCS4W6N2sPyOG+V81t6xjo:u5/WMPZ1/jFU+pi8XD6NUD8xjo

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 34 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\6bea74bd9d96718e04955348bb175fc00018d7e19b94b764fb987702694e6a0f.exe
    "C:\Users\Admin\AppData\Local\Temp\6bea74bd9d96718e04955348bb175fc00018d7e19b94b764fb987702694e6a0f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1896
    • C:\Users\Admin\AppData\Local\Temp\u1go.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1go.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3372
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 2312
        3⤵
        • Program crash
        PID:1768
    • C:\Users\Admin\AppData\Local\Temp\u1go.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u1go.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:1716
      • 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:5040
        • 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:4188
    • C:\Users\Admin\AppData\Local\Temp\u1go.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u1go.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:800
      • 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:2620
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 1200
      2⤵
      • Program crash
      PID:3540
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1896 -ip 1896
    1⤵
      PID:4632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3372 -ip 3372
      1⤵
        PID:1792

      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\d5fa5da5

              Filesize

              1.4MB

              MD5

              c83631a135e1cbb97bffff52728c0173

              SHA1

              ea316190164f149ac0ca872d2f7b55c064288def

              SHA256

              0c0124ef731ef7cde36752b89b2f7691326eccb1806a3edbf5774fbdd3ee16f1

              SHA512

              b1c6914617d26a81595d3092c5fa710a8788ffbd118334ee913981b0dd619bd0a57db6383dafca95bc28e493c288dca4581d6b93028694fe5c96cb37aa1fabed

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

              Filesize

              3KB

              MD5

              e0917f4ead8fd31601b42631bd5620e9

              SHA1

              7a6da94340a7af7e096bbd58c4ef498a28557059

              SHA256

              41e75d9e34fa67a4701c8af8343cbfd17e4987120cfb7c452c3f95e643480386

              SHA512

              0cfbe20f299aca6fc1127055c024bbfac45c6c7f70b30552590a1c3b72b1cd5a1fd5033808668cb94393e9fb25036c6e18805a86587605f7e9e2cf0abd92c565

            • C:\Users\Admin\AppData\Local\Temp\tmpF628.tmp

              Filesize

              20KB

              MD5

              a603e09d617fea7517059b4924b1df93

              SHA1

              31d66e1496e0229c6a312f8be05da3f813b3fa9e

              SHA256

              ccd15f9c7a997ae2b5320ea856c7efc54b5055254d41a443d21a60c39c565cb7

              SHA512

              eadb844a84f8a660c578a2f8e65ebcb9e0b9ab67422be957f35492ff870825a4b363f96fd1c546eaacfd518f6812fcf57268ef03c149e5b1a7af145c7100e2cc

            • C:\Users\Admin\AppData\Local\Temp\tmpF64B.tmp

              Filesize

              20KB

              MD5

              49693267e0adbcd119f9f5e02adf3a80

              SHA1

              3ba3d7f89b8ad195ca82c92737e960e1f2b349df

              SHA256

              d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

              SHA512

              b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

            • C:\Users\Admin\AppData\Local\Temp\u1go.0.exe

              Filesize

              290KB

              MD5

              1c111491a6408f49d7553d18935ecead

              SHA1

              50165b9b01824a17a2829980460b33cac5dce94e

              SHA256

              0232a6ec0abe7c3697d3e881e64b91e158e8ae78745011d27c990decef210a4d

              SHA512

              7423ae5adc494b52677aad961a28f01f3b91f928317b50836c3696d84145539dc43af56b4cd9d262d67b428cb9ab155be63454797cf1a2bdc818604724f94a70

            • C:\Users\Admin\AppData\Local\Temp\u1go.1.zip

              Filesize

              3.7MB

              MD5

              78d3ca6355c93c72b494bb6a498bf639

              SHA1

              2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

              SHA256

              a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

              SHA512

              1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

            • C:\Users\Admin\AppData\Local\Temp\u1go.2\UIxMarketPlugin.dll

              Filesize

              1.6MB

              MD5

              d1ba9412e78bfc98074c5d724a1a87d6

              SHA1

              0572f98d78fb0b366b5a086c2a74cc68b771d368

              SHA256

              cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

              SHA512

              8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

            • C:\Users\Admin\AppData\Local\Temp\u1go.2\bunch.dat

              Filesize

              1.3MB

              MD5

              1e8237d3028ab52821d69099e0954f97

              SHA1

              30a6ae353adda0c471c6ed5b7a2458b07185abf2

              SHA256

              9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

              SHA512

              a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

            • C:\Users\Admin\AppData\Local\Temp\u1go.2\relay.dll

              Filesize

              1.5MB

              MD5

              10d51becd0bbce0fab147ff9658c565e

              SHA1

              4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

              SHA256

              7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

              SHA512

              29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

            • C:\Users\Admin\AppData\Local\Temp\u1go.2\run.exe

              Filesize

              2.4MB

              MD5

              9fb4770ced09aae3b437c1c6eb6d7334

              SHA1

              fe54b31b0db8665aa5b22bed147e8295afc88a03

              SHA256

              a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

              SHA512

              140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

            • C:\Users\Admin\AppData\Local\Temp\u1go.2\whale.dbf

              Filesize

              85KB

              MD5

              a723bf46048e0bfb15b8d77d7a648c3e

              SHA1

              8952d3c34e9341e4425571e10f22b782695bb915

              SHA256

              b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

              SHA512

              ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

            • C:\Users\Admin\AppData\Local\Temp\u1go.3.exe

              Filesize

              4.6MB

              MD5

              397926927bca55be4a77839b1c44de6e

              SHA1

              e10f3434ef3021c399dbba047832f02b3c898dbd

              SHA256

              4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

              SHA512

              cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

            • memory/800-149-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/800-161-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/1716-129-0x0000000072E50000-0x0000000072FCB000-memory.dmp

              Filesize

              1.5MB

            • memory/1716-102-0x0000000072E50000-0x0000000072FCB000-memory.dmp

              Filesize

              1.5MB

            • memory/1716-103-0x00007FFD28C50000-0x00007FFD28E45000-memory.dmp

              Filesize

              2.0MB

            • memory/1896-124-0x0000000000400000-0x0000000000470000-memory.dmp

              Filesize

              448KB

            • memory/1896-123-0x0000000000400000-0x0000000002B2A000-memory.dmp

              Filesize

              39.2MB

            • memory/1896-2-0x0000000002EE0000-0x0000000002F4D000-memory.dmp

              Filesize

              436KB

            • memory/1896-5-0x0000000000400000-0x0000000002B2A000-memory.dmp

              Filesize

              39.2MB

            • memory/1896-1-0x0000000002B60000-0x0000000002C60000-memory.dmp

              Filesize

              1024KB

            • memory/1896-3-0x0000000000400000-0x0000000000470000-memory.dmp

              Filesize

              448KB

            • memory/2620-172-0x000002287C440000-0x000002287C4A2000-memory.dmp

              Filesize

              392KB

            • memory/2620-234-0x000002287C8C0000-0x000002287C8DE000-memory.dmp

              Filesize

              120KB

            • memory/2620-168-0x000002287BF40000-0x000002287BF4A000-memory.dmp

              Filesize

              40KB

            • memory/2620-169-0x000002287C310000-0x000002287C3C2000-memory.dmp

              Filesize

              712KB

            • memory/2620-170-0x000002287C3C0000-0x000002287C43A000-memory.dmp

              Filesize

              488KB

            • memory/2620-171-0x000002287BF60000-0x000002287BF8A000-memory.dmp

              Filesize

              168KB

            • memory/2620-166-0x000002287BEA0000-0x000002287BEB4000-memory.dmp

              Filesize

              80KB

            • memory/2620-173-0x000002287C520000-0x000002287C596000-memory.dmp

              Filesize

              472KB

            • memory/2620-174-0x000002287BF50000-0x000002287BF5A000-memory.dmp

              Filesize

              40KB

            • memory/2620-178-0x000002287C5A0000-0x000002287C8A0000-memory.dmp

              Filesize

              3.0MB

            • memory/2620-180-0x000002287FFD0000-0x000002287FFD8000-memory.dmp

              Filesize

              32KB

            • memory/2620-181-0x0000022880020000-0x0000022880058000-memory.dmp

              Filesize

              224KB

            • memory/2620-182-0x000002287FFE0000-0x000002287FFEE000-memory.dmp

              Filesize

              56KB

            • memory/2620-183-0x0000022818930000-0x000002281893A000-memory.dmp

              Filesize

              40KB

            • memory/2620-184-0x0000022818950000-0x0000022818972000-memory.dmp

              Filesize

              136KB

            • memory/2620-185-0x0000022819CF0000-0x000002281A218000-memory.dmp

              Filesize

              5.2MB

            • memory/2620-189-0x0000022818970000-0x000002281897C000-memory.dmp

              Filesize

              48KB

            • memory/2620-188-0x00000228800B0000-0x0000022880100000-memory.dmp

              Filesize

              320KB

            • memory/2620-162-0x00000228750F0000-0x00000228789E8000-memory.dmp

              Filesize

              57.0MB

            • memory/2620-191-0x0000022880060000-0x0000022880082000-memory.dmp

              Filesize

              136KB

            • memory/2620-163-0x000002287C0C0000-0x000002287C1D0000-memory.dmp

              Filesize

              1.1MB

            • memory/2620-167-0x000002287BF10000-0x000002287BF34000-memory.dmp

              Filesize

              144KB

            • memory/2620-164-0x0000022878F50000-0x0000022878F60000-memory.dmp

              Filesize

              64KB

            • memory/2620-165-0x000002287BEB0000-0x000002287BEBC000-memory.dmp

              Filesize

              48KB

            • memory/3372-273-0x0000000000400000-0x0000000002B06000-memory.dmp

              Filesize

              39.0MB

            • memory/3372-192-0x0000000061E00000-0x0000000061EF3000-memory.dmp

              Filesize

              972KB

            • memory/3372-190-0x0000000000400000-0x0000000002B06000-memory.dmp

              Filesize

              39.0MB

            • memory/4188-278-0x0000000004D20000-0x0000000004D96000-memory.dmp

              Filesize

              472KB

            • memory/4188-280-0x0000000004CD0000-0x0000000004CDA000-memory.dmp

              Filesize

              40KB

            • memory/4188-275-0x0000000004C00000-0x0000000004C92000-memory.dmp

              Filesize

              584KB

            • memory/4188-276-0x0000000005250000-0x00000000057F4000-memory.dmp

              Filesize

              5.6MB

            • memory/4188-277-0x0000000004FB0000-0x0000000005172000-memory.dmp

              Filesize

              1.8MB

            • memory/4188-302-0x00000000071F0000-0x00000000071FA000-memory.dmp

              Filesize

              40KB

            • memory/4188-279-0x0000000004DE0000-0x0000000004E30000-memory.dmp

              Filesize

              320KB

            • memory/4188-274-0x0000000000560000-0x0000000000626000-memory.dmp

              Filesize

              792KB

            • memory/4188-281-0x0000000005E70000-0x000000000639C000-memory.dmp

              Filesize

              5.2MB

            • memory/4188-282-0x0000000005940000-0x000000000595E000-memory.dmp

              Filesize

              120KB

            • memory/4188-283-0x0000000005A30000-0x0000000005A96000-memory.dmp

              Filesize

              408KB

            • memory/4188-270-0x0000000071920000-0x0000000072B74000-memory.dmp

              Filesize

              18.3MB

            • memory/5040-147-0x00007FFD28C50000-0x00007FFD28E45000-memory.dmp

              Filesize

              2.0MB

            • memory/5040-245-0x0000000072E50000-0x0000000072FCB000-memory.dmp

              Filesize

              1.5MB