Analysis

  • max time kernel
    149s
  • 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, 12:39

General

  • Target

    1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe

  • Size

    347KB

  • MD5

    8cbb249cdad2ae39a85492c691939ffc

  • SHA1

    9afd97156b1cefc6e0cd300623517d9d7c9dceee

  • SHA256

    1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4

  • SHA512

    d6a1173d3dc7f85eb1c4940f21c896b4a290d538b67450a3185fbd3552945f22642a83896380ebf8cdaed7818c62d2c16a84d1714061f7f2356ccbb40916f0d6

  • SSDEEP

    6144:B0zWKrKBpVw9PVu+AJdTvClKgvkWJG1HYcVABLulAGeJa:ukfw9PqduMVW41HnWlqreJa

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 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\1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe
    "C:\Users\Admin\AppData\Local\Temp\1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Users\Admin\AppData\Local\Temp\u3t4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3t4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1896
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 2396
        3⤵
        • Program crash
        PID:1400
    • C:\Users\Admin\AppData\Local\Temp\u3t4.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u3t4.2\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:5112
      • 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:1348
        • 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:2456
    • C:\Users\Admin\AppData\Local\Temp\u3t4.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u3t4.3.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:3436
      • 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:2572
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 1608
      2⤵
      • Program crash
      PID:3036
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4936 -ip 4936
    1⤵
      PID:4304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1896 -ip 1896
      1⤵
        PID:2368

      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\e2bf8624

              Filesize

              1.4MB

              MD5

              5a1c943a5b4d20fe523e3bb1cd84c2db

              SHA1

              f3454fd6c4b9a9d5afa08c06da6e4ad3fb590f0f

              SHA256

              9057c19b0af304b327eb01a896999ae4ee2bf29636e26612c47e6467fba0842b

              SHA512

              955f8092a9093a0cbe09b670f014fa79f5093f9f1ea55109d462a25a80d8b7d0105a9a99018a0f8798514ac0b0150dc3decc0b41b74a498d5773913ebc937261

            • C:\Users\Admin\AppData\Local\Temp\tmp5C8.tmp

              Filesize

              20KB

              MD5

              42c395b8db48b6ce3d34c301d1eba9d5

              SHA1

              b7cfa3de344814bec105391663c0df4a74310996

              SHA256

              5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

              SHA512

              7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

            • C:\Users\Admin\AppData\Local\Temp\tmp5EB.tmp

              Filesize

              20KB

              MD5

              49693267e0adbcd119f9f5e02adf3a80

              SHA1

              3ba3d7f89b8ad195ca82c92737e960e1f2b349df

              SHA256

              d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

              SHA512

              b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

            • C:\Users\Admin\AppData\Local\Temp\u3t4.0.exe

              Filesize

              203KB

              MD5

              4d228ea1db6e72d952b1087bd680a425

              SHA1

              b749daf103c2ecc96311429492db3f6c32e13b95

              SHA256

              d37f54aa31485a49ae8d66d29e1d235cad52c576403da0785b82df6dab97db29

              SHA512

              e94cfd9ba32d38c2cacef0af6c495574cc909867196a1687cbb2c3800f9adc6ab126d177533af632b1ad6d412d339e63619e3588a7e67ec716516935f80b61e6

            • C:\Users\Admin\AppData\Local\Temp\u3t4.1.zip

              Filesize

              3.7MB

              MD5

              78d3ca6355c93c72b494bb6a498bf639

              SHA1

              2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

              SHA256

              a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

              SHA512

              1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

            • C:\Users\Admin\AppData\Local\Temp\u3t4.2\UIxMarketPlugin.dll

              Filesize

              1.6MB

              MD5

              d1ba9412e78bfc98074c5d724a1a87d6

              SHA1

              0572f98d78fb0b366b5a086c2a74cc68b771d368

              SHA256

              cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

              SHA512

              8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

            • C:\Users\Admin\AppData\Local\Temp\u3t4.2\bunch.dat

              Filesize

              1.3MB

              MD5

              1e8237d3028ab52821d69099e0954f97

              SHA1

              30a6ae353adda0c471c6ed5b7a2458b07185abf2

              SHA256

              9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

              SHA512

              a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

            • C:\Users\Admin\AppData\Local\Temp\u3t4.2\relay.dll

              Filesize

              1.5MB

              MD5

              10d51becd0bbce0fab147ff9658c565e

              SHA1

              4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

              SHA256

              7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

              SHA512

              29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

            • C:\Users\Admin\AppData\Local\Temp\u3t4.2\run.exe

              Filesize

              2.4MB

              MD5

              9fb4770ced09aae3b437c1c6eb6d7334

              SHA1

              fe54b31b0db8665aa5b22bed147e8295afc88a03

              SHA256

              a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

              SHA512

              140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

            • C:\Users\Admin\AppData\Local\Temp\u3t4.2\whale.dbf

              Filesize

              85KB

              MD5

              a723bf46048e0bfb15b8d77d7a648c3e

              SHA1

              8952d3c34e9341e4425571e10f22b782695bb915

              SHA256

              b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

              SHA512

              ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

            • C:\Users\Admin\AppData\Local\Temp\u3t4.3.exe

              Filesize

              4.6MB

              MD5

              397926927bca55be4a77839b1c44de6e

              SHA1

              e10f3434ef3021c399dbba047832f02b3c898dbd

              SHA256

              4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

              SHA512

              cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

            • memory/1348-220-0x0000000072E50000-0x0000000072FCB000-memory.dmp

              Filesize

              1.5MB

            • memory/1348-144-0x00007FFA58E50000-0x00007FFA59045000-memory.dmp

              Filesize

              2.0MB

            • memory/1896-239-0x0000000000400000-0x0000000002AF0000-memory.dmp

              Filesize

              38.9MB

            • memory/1896-283-0x0000000002C80000-0x0000000002D80000-memory.dmp

              Filesize

              1024KB

            • memory/1896-143-0x0000000002C80000-0x0000000002D80000-memory.dmp

              Filesize

              1024KB

            • memory/1896-146-0x0000000000400000-0x0000000002AF0000-memory.dmp

              Filesize

              38.9MB

            • memory/1896-202-0x0000000000400000-0x0000000002AF0000-memory.dmp

              Filesize

              38.9MB

            • memory/1896-157-0x0000000061E00000-0x0000000061EF3000-memory.dmp

              Filesize

              972KB

            • memory/1896-284-0x0000000000400000-0x0000000002AF0000-memory.dmp

              Filesize

              38.9MB

            • memory/2456-285-0x00000000066C0000-0x0000000006BEC000-memory.dmp

              Filesize

              5.2MB

            • memory/2456-286-0x0000000005AC0000-0x0000000005ADE000-memory.dmp

              Filesize

              120KB

            • memory/2456-236-0x0000000071540000-0x0000000072794000-memory.dmp

              Filesize

              18.3MB

            • memory/2456-269-0x0000000005440000-0x000000000544A000-memory.dmp

              Filesize

              40KB

            • memory/2456-268-0x0000000005550000-0x00000000055A0000-memory.dmp

              Filesize

              320KB

            • memory/2456-267-0x00000000055B0000-0x0000000005626000-memory.dmp

              Filesize

              472KB

            • memory/2456-287-0x0000000006250000-0x00000000062B6000-memory.dmp

              Filesize

              408KB

            • memory/2456-306-0x0000000007B00000-0x0000000007B0A000-memory.dmp

              Filesize

              40KB

            • memory/2456-266-0x0000000005850000-0x0000000005A12000-memory.dmp

              Filesize

              1.8MB

            • memory/2456-262-0x0000000005AE0000-0x0000000006084000-memory.dmp

              Filesize

              5.6MB

            • memory/2456-257-0x0000000005490000-0x0000000005522000-memory.dmp

              Filesize

              584KB

            • memory/2456-246-0x0000000000D80000-0x0000000000E46000-memory.dmp

              Filesize

              792KB

            • memory/2572-203-0x0000025E501D0000-0x0000025E501DA000-memory.dmp

              Filesize

              40KB

            • memory/2572-233-0x0000025E54930000-0x0000025E5494E000-memory.dmp

              Filesize

              120KB

            • memory/2572-213-0x0000025E50850000-0x0000025E50B50000-memory.dmp

              Filesize

              3.0MB

            • memory/2572-215-0x0000025E548A0000-0x0000025E548A8000-memory.dmp

              Filesize

              32KB

            • memory/2572-216-0x0000025E50E70000-0x0000025E50EA8000-memory.dmp

              Filesize

              224KB

            • memory/2572-217-0x0000025E50E40000-0x0000025E50E4E000-memory.dmp

              Filesize

              56KB

            • memory/2572-218-0x0000025E548C0000-0x0000025E548CA000-memory.dmp

              Filesize

              40KB

            • memory/2572-219-0x0000025E548D0000-0x0000025E548F2000-memory.dmp

              Filesize

              136KB

            • memory/2572-209-0x0000025E502C0000-0x0000025E502CA000-memory.dmp

              Filesize

              40KB

            • memory/2572-224-0x0000025E55C80000-0x0000025E561A8000-memory.dmp

              Filesize

              5.2MB

            • memory/2572-227-0x0000025E55750000-0x0000025E557A0000-memory.dmp

              Filesize

              320KB

            • memory/2572-228-0x0000025E548F0000-0x0000025E548FC000-memory.dmp

              Filesize

              48KB

            • memory/2572-232-0x0000025E55A20000-0x0000025E55A42000-memory.dmp

              Filesize

              136KB

            • memory/2572-196-0x0000025E50180000-0x0000025E5018C000-memory.dmp

              Filesize

              48KB

            • memory/2572-206-0x0000025E50650000-0x0000025E506CA000-memory.dmp

              Filesize

              488KB

            • memory/2572-195-0x0000025E36890000-0x0000025E368A0000-memory.dmp

              Filesize

              64KB

            • memory/2572-208-0x0000025E507D0000-0x0000025E50846000-memory.dmp

              Filesize

              472KB

            • memory/2572-193-0x0000025E313A0000-0x0000025E34C98000-memory.dmp

              Filesize

              57.0MB

            • memory/2572-194-0x0000025E503D0000-0x0000025E504E0000-memory.dmp

              Filesize

              1.1MB

            • memory/2572-207-0x0000025E506F0000-0x0000025E50752000-memory.dmp

              Filesize

              392KB

            • memory/2572-205-0x0000025E50620000-0x0000025E5064A000-memory.dmp

              Filesize

              168KB

            • memory/2572-204-0x0000025E50210000-0x0000025E502C2000-memory.dmp

              Filesize

              712KB

            • memory/2572-201-0x0000025E501E0000-0x0000025E50204000-memory.dmp

              Filesize

              144KB

            • memory/2572-197-0x0000025E50170000-0x0000025E50184000-memory.dmp

              Filesize

              80KB

            • memory/3436-192-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/3436-147-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/4936-4-0x0000000000400000-0x0000000002B15000-memory.dmp

              Filesize

              39.1MB

            • memory/4936-2-0x0000000002DC0000-0x0000000002E2D000-memory.dmp

              Filesize

              436KB

            • memory/4936-124-0x0000000000400000-0x0000000002B15000-memory.dmp

              Filesize

              39.1MB

            • memory/4936-3-0x0000000000400000-0x0000000002B15000-memory.dmp

              Filesize

              39.1MB

            • memory/4936-1-0x0000000002E90000-0x0000000002F90000-memory.dmp

              Filesize

              1024KB

            • memory/5112-99-0x0000000072E50000-0x0000000072FCB000-memory.dmp

              Filesize

              1.5MB

            • memory/5112-100-0x00007FFA58E50000-0x00007FFA59045000-memory.dmp

              Filesize

              2.0MB

            • memory/5112-125-0x0000000072E50000-0x0000000072FCB000-memory.dmp

              Filesize

              1.5MB