Analysis

  • max time kernel
    136s
  • max time network
    138s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-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
  • 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\6bea74bd9d96718e04955348bb175fc00018d7e19b94b764fb987702694e6a0f.exe
    "C:\Users\Admin\AppData\Local\Temp\6bea74bd9d96718e04955348bb175fc00018d7e19b94b764fb987702694e6a0f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4764
    • C:\Users\Admin\AppData\Local\Temp\u3oc.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3oc.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2140
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2140 -s 2424
        3⤵
        • Program crash
        PID:3476
    • C:\Users\Admin\AppData\Local\Temp\u3oc.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u3oc.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:4128
      • 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:2916
        • 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:5064
    • C:\Users\Admin\AppData\Local\Temp\u3oc.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u3oc.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2752
      • 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:4784
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 1576
      2⤵
      • Program crash
      PID:2768
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4764 -ip 4764
    1⤵
      PID:1296
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2140 -ip 2140
      1⤵
        PID:5084

      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\c3d735d1

              Filesize

              1.4MB

              MD5

              e991522c0955439cca5e9f1c2c268a85

              SHA1

              43472d4e2c543bdf7be38e3f7c9930fd401ce3f1

              SHA256

              23136ef84ef2edbb7c997df8cda91be71555667b89cbeea6364e30f14f7e7a04

              SHA512

              2badc62d4de6dbde99c5a9abbb1897f4e6f6b4445a76dd305996a26a718280bacbd174cd40a964f8039f8ad7947851e196e7aec0a7b6a649e728e264c64bcecb

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

              Filesize

              2KB

              MD5

              048e75d25b77139d7290fcfcba6b9b64

              SHA1

              97d2902574337dfd86eb104a62a487cac44bba2a

              SHA256

              c0f832a1606d7ac76d722be86d825fc261041df5df61390dbef6ff1e2212d176

              SHA512

              bb1cce1d0545e1d057dbcec68d684890a6b232a1a70d75c6ce32a9539c34a74293dee92e372c1319c8d534389da289198969741d994de48e44fc21aa0ab525c5

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

              Filesize

              3KB

              MD5

              28a093d56fcbfd8dbdb24a1932894fae

              SHA1

              7faf414de625333ff68cd796c4cfc20969b381d4

              SHA256

              060e0b37bb1aeaad02c8659408e5dc9659832c061068b5c7ddc8d7bfd3a278f0

              SHA512

              e44d7afc8e26b843052a61bc0179c2c4485b3ac9bb9f6d9d4c3d016b4f26752fdf0ab1a8d08b5a95c2049e7bc14922d756b55a555ef9847fde194d0bc19923c5

            • C:\Users\Admin\AppData\Local\Temp\tmpF5CB.tmp

              Filesize

              20KB

              MD5

              42c395b8db48b6ce3d34c301d1eba9d5

              SHA1

              b7cfa3de344814bec105391663c0df4a74310996

              SHA256

              5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

              SHA512

              7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

            • C:\Users\Admin\AppData\Local\Temp\tmpF5ED.tmp

              Filesize

              20KB

              MD5

              22be08f683bcc01d7a9799bbd2c10041

              SHA1

              2efb6041cf3d6e67970135e592569c76fc4c41de

              SHA256

              451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457

              SHA512

              0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936

            • C:\Users\Admin\AppData\Local\Temp\u3oc.0.exe

              Filesize

              290KB

              MD5

              1c111491a6408f49d7553d18935ecead

              SHA1

              50165b9b01824a17a2829980460b33cac5dce94e

              SHA256

              0232a6ec0abe7c3697d3e881e64b91e158e8ae78745011d27c990decef210a4d

              SHA512

              7423ae5adc494b52677aad961a28f01f3b91f928317b50836c3696d84145539dc43af56b4cd9d262d67b428cb9ab155be63454797cf1a2bdc818604724f94a70

            • C:\Users\Admin\AppData\Local\Temp\u3oc.1.zip

              Filesize

              3.7MB

              MD5

              78d3ca6355c93c72b494bb6a498bf639

              SHA1

              2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

              SHA256

              a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

              SHA512

              1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

            • C:\Users\Admin\AppData\Local\Temp\u3oc.2\UIxMarketPlugin.dll

              Filesize

              1.6MB

              MD5

              d1ba9412e78bfc98074c5d724a1a87d6

              SHA1

              0572f98d78fb0b366b5a086c2a74cc68b771d368

              SHA256

              cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

              SHA512

              8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

            • C:\Users\Admin\AppData\Local\Temp\u3oc.2\bunch.dat

              Filesize

              1.3MB

              MD5

              1e8237d3028ab52821d69099e0954f97

              SHA1

              30a6ae353adda0c471c6ed5b7a2458b07185abf2

              SHA256

              9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

              SHA512

              a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

            • C:\Users\Admin\AppData\Local\Temp\u3oc.2\relay.dll

              Filesize

              1.5MB

              MD5

              10d51becd0bbce0fab147ff9658c565e

              SHA1

              4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

              SHA256

              7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

              SHA512

              29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

            • C:\Users\Admin\AppData\Local\Temp\u3oc.2\run.exe

              Filesize

              2.4MB

              MD5

              9fb4770ced09aae3b437c1c6eb6d7334

              SHA1

              fe54b31b0db8665aa5b22bed147e8295afc88a03

              SHA256

              a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

              SHA512

              140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

            • C:\Users\Admin\AppData\Local\Temp\u3oc.2\whale.dbf

              Filesize

              85KB

              MD5

              a723bf46048e0bfb15b8d77d7a648c3e

              SHA1

              8952d3c34e9341e4425571e10f22b782695bb915

              SHA256

              b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

              SHA512

              ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

            • C:\Users\Admin\AppData\Local\Temp\u3oc.3.exe

              Filesize

              4.6MB

              MD5

              397926927bca55be4a77839b1c44de6e

              SHA1

              e10f3434ef3021c399dbba047832f02b3c898dbd

              SHA256

              4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

              SHA512

              cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

            • memory/2140-110-0x0000000061E00000-0x0000000061EF3000-memory.dmp

              Filesize

              972KB

            • memory/2140-176-0x0000000000400000-0x0000000002B06000-memory.dmp

              Filesize

              39.0MB

            • memory/2140-109-0x0000000000400000-0x0000000002B06000-memory.dmp

              Filesize

              39.0MB

            • memory/2140-205-0x0000000000400000-0x0000000002B06000-memory.dmp

              Filesize

              39.0MB

            • memory/2752-224-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/2752-236-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/2916-265-0x0000000073040000-0x00000000731BD000-memory.dmp

              Filesize

              1.5MB

            • memory/2916-206-0x00007FFE50540000-0x00007FFE50749000-memory.dmp

              Filesize

              2.0MB

            • memory/4128-147-0x0000000073040000-0x00000000731BD000-memory.dmp

              Filesize

              1.5MB

            • memory/4128-103-0x00007FFE50540000-0x00007FFE50749000-memory.dmp

              Filesize

              2.0MB

            • memory/4128-102-0x0000000073040000-0x00000000731BD000-memory.dmp

              Filesize

              1.5MB

            • memory/4764-164-0x0000000004860000-0x00000000048CD000-memory.dmp

              Filesize

              436KB

            • memory/4764-2-0x0000000004860000-0x00000000048CD000-memory.dmp

              Filesize

              436KB

            • memory/4764-16-0x0000000000400000-0x0000000002B2A000-memory.dmp

              Filesize

              39.2MB

            • memory/4764-163-0x0000000000400000-0x0000000002B2A000-memory.dmp

              Filesize

              39.2MB

            • memory/4764-3-0x0000000000400000-0x0000000000470000-memory.dmp

              Filesize

              448KB

            • memory/4764-1-0x0000000002C00000-0x0000000002D00000-memory.dmp

              Filesize

              1024KB

            • memory/4764-165-0x0000000000400000-0x0000000000470000-memory.dmp

              Filesize

              448KB

            • memory/4784-239-0x0000026E392A0000-0x0000026E392B0000-memory.dmp

              Filesize

              64KB

            • memory/4784-264-0x0000026E56BB0000-0x0000026E56BBC000-memory.dmp

              Filesize

              48KB

            • memory/4784-242-0x0000026E39320000-0x0000026E39344000-memory.dmp

              Filesize

              144KB

            • memory/4784-247-0x0000026E52060000-0x0000026E520C2000-memory.dmp

              Filesize

              392KB

            • memory/4784-248-0x0000026E52140000-0x0000026E521B6000-memory.dmp

              Filesize

              472KB

            • memory/4784-246-0x0000026E51B90000-0x0000026E51C0A000-memory.dmp

              Filesize

              488KB

            • memory/4784-245-0x0000026E51FB0000-0x0000026E52062000-memory.dmp

              Filesize

              712KB

            • memory/4784-244-0x0000026E51B60000-0x0000026E51B8A000-memory.dmp

              Filesize

              168KB

            • memory/4784-243-0x0000026E39350000-0x0000026E3935A000-memory.dmp

              Filesize

              40KB

            • memory/4784-249-0x0000026E39160000-0x0000026E3916A000-memory.dmp

              Filesize

              40KB

            • memory/4784-253-0x0000026E521C0000-0x0000026E524C0000-memory.dmp

              Filesize

              3.0MB

            • memory/4784-255-0x0000026E52130000-0x0000026E52138000-memory.dmp

              Filesize

              32KB

            • memory/4784-257-0x0000026E564B0000-0x0000026E564BE000-memory.dmp

              Filesize

              56KB

            • memory/4784-256-0x0000026E564E0000-0x0000026E56518000-memory.dmp

              Filesize

              224KB

            • memory/4784-258-0x0000026E56E30000-0x0000026E56E3A000-memory.dmp

              Filesize

              40KB

            • memory/4784-259-0x0000026E56E40000-0x0000026E56E62000-memory.dmp

              Filesize

              136KB

            • memory/4784-260-0x0000026E57390000-0x0000026E578B8000-memory.dmp

              Filesize

              5.2MB

            • memory/4784-241-0x0000026E392B0000-0x0000026E392C4000-memory.dmp

              Filesize

              80KB

            • memory/4784-263-0x0000026E56C00000-0x0000026E56C50000-memory.dmp

              Filesize

              320KB

            • memory/4784-240-0x0000026E392C0000-0x0000026E392CC000-memory.dmp

              Filesize

              48KB

            • memory/4784-266-0x0000026E56C50000-0x0000026E56C72000-memory.dmp

              Filesize

              136KB

            • memory/4784-267-0x0000026E56C80000-0x0000026E56C9E000-memory.dmp

              Filesize

              120KB

            • memory/4784-237-0x0000026E33BA0000-0x0000026E37498000-memory.dmp

              Filesize

              57.0MB

            • memory/4784-238-0x0000026E51D10000-0x0000026E51E20000-memory.dmp

              Filesize

              1.1MB

            • memory/5064-274-0x0000000005070000-0x0000000005102000-memory.dmp

              Filesize

              584KB

            • memory/5064-275-0x00000000056C0000-0x0000000005C66000-memory.dmp

              Filesize

              5.6MB

            • memory/5064-276-0x0000000005400000-0x00000000055C2000-memory.dmp

              Filesize

              1.8MB

            • memory/5064-277-0x0000000005110000-0x0000000005186000-memory.dmp

              Filesize

              472KB

            • memory/5064-278-0x0000000005190000-0x00000000051E0000-memory.dmp

              Filesize

              320KB

            • memory/5064-279-0x0000000004FE0000-0x0000000004FEA000-memory.dmp

              Filesize

              40KB

            • memory/5064-280-0x00000000062A0000-0x00000000067CC000-memory.dmp

              Filesize

              5.2MB

            • memory/5064-281-0x0000000005D90000-0x0000000005DAE000-memory.dmp

              Filesize

              120KB

            • memory/5064-282-0x0000000005E60000-0x0000000005EC6000-memory.dmp

              Filesize

              408KB

            • memory/5064-273-0x0000000000900000-0x00000000009C6000-memory.dmp

              Filesize

              792KB

            • memory/5064-270-0x00000000735E0000-0x00000000748F7000-memory.dmp

              Filesize

              19.1MB

            • memory/5064-301-0x0000000007730000-0x000000000773A000-memory.dmp

              Filesize

              40KB