Analysis

  • max time kernel
    140s
  • max time network
    147s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-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
  • 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\b1f2d4d0f6cab4a84013cbd960fcd8c352f26c44da954a0de368b2ea0883055b.exe
    "C:\Users\Admin\AppData\Local\Temp\b1f2d4d0f6cab4a84013cbd960fcd8c352f26c44da954a0de368b2ea0883055b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4284
    • C:\Users\Admin\AppData\Local\Temp\u3b0.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3b0.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2932
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2932 -s 2456
        3⤵
        • Program crash
        PID:3112
    • C:\Users\Admin\AppData\Local\Temp\u3b0.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u3b0.2\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:2004
      • 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:1648
        • 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:2840
    • C:\Users\Admin\AppData\Local\Temp\u3b0.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u3b0.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1408
      • 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:1452
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 1628
      2⤵
      • Program crash
      PID:3740
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4284 -ip 4284
    1⤵
      PID:4456
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2932 -ip 2932
      1⤵
        PID:2428

      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\c3e7d177

        Filesize

        1.4MB

        MD5

        068638e9862638629ddb3f156f6e9dee

        SHA1

        f1e31096d1da3cf37231f4b81fd16142ec410e88

        SHA256

        1386df726f9919ed2f2970dd93679f6438b7949d5e52ff072acfbe5ed2e1fcf9

        SHA512

        4c92c806707261520797757dded3a5f9808887fa830a2339d142850f880f0734511cf2c5bc122c8b42a937b64899561faab2e305cc6784aca3d04aa57d802ae9

      • C:\Users\Admin\AppData\Local\Temp\tmpE291.tmp

        Filesize

        20KB

        MD5

        a603e09d617fea7517059b4924b1df93

        SHA1

        31d66e1496e0229c6a312f8be05da3f813b3fa9e

        SHA256

        ccd15f9c7a997ae2b5320ea856c7efc54b5055254d41a443d21a60c39c565cb7

        SHA512

        eadb844a84f8a660c578a2f8e65ebcb9e0b9ab67422be957f35492ff870825a4b363f96fd1c546eaacfd518f6812fcf57268ef03c149e5b1a7af145c7100e2cc

      • C:\Users\Admin\AppData\Local\Temp\tmpE2B3.tmp

        Filesize

        20KB

        MD5

        22be08f683bcc01d7a9799bbd2c10041

        SHA1

        2efb6041cf3d6e67970135e592569c76fc4c41de

        SHA256

        451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457

        SHA512

        0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936

      • C:\Users\Admin\AppData\Local\Temp\u3b0.0.exe

        Filesize

        203KB

        MD5

        a124616d409f0404a945b001df5d0638

        SHA1

        be0add9636281cfeb709325c20fe67612ed05e24

        SHA256

        25096c893fd3303edf71650914517d1d1003c9f1a44f3c1032585b717f56e998

        SHA512

        475b5c4bb117029600106c95f7b21647cd2633c5083db64747c569e4c5b8de9c6db07e4f5317a52e5739c003cb13d0ff26ad73df86f3ccd2332f0e20f8adeea9

      • C:\Users\Admin\AppData\Local\Temp\u3b0.1.zip

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u3b0.2\UIxMarketPlugin.dll

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u3b0.2\bunch.dat

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u3b0.2\relay.dll

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u3b0.2\run.exe

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u3b0.2\whale.dbf

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • C:\Users\Admin\AppData\Local\Temp\u3b0.3.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1408-159-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1408-148-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1452-255-0x000001ECDC190000-0x000001ECDC1B2000-memory.dmp

        Filesize

        136KB

      • memory/1452-224-0x000001ECDBE30000-0x000001ECDBE3A000-memory.dmp

        Filesize

        40KB

      • memory/1452-264-0x000001ECDC1C0000-0x000001ECDC1DE000-memory.dmp

        Filesize

        120KB

      • memory/1452-233-0x000001ECDBE70000-0x000001ECDBE7C000-memory.dmp

        Filesize

        48KB

      • memory/1452-232-0x000001ECDBEC0000-0x000001ECDBF10000-memory.dmp

        Filesize

        320KB

      • memory/1452-229-0x000001ECDC3B0000-0x000001ECDC8D8000-memory.dmp

        Filesize

        5.2MB

      • memory/1452-193-0x000001ECB8E30000-0x000001ECBC728000-memory.dmp

        Filesize

        57.0MB

      • memory/1452-199-0x000001ECBE4B0000-0x000001ECBE4C0000-memory.dmp

        Filesize

        64KB

      • memory/1452-200-0x000001ECBE4D0000-0x000001ECBE4DC000-memory.dmp

        Filesize

        48KB

      • memory/1452-198-0x000001ECD6F40000-0x000001ECD7050000-memory.dmp

        Filesize

        1.1MB

      • memory/1452-201-0x000001ECBE4C0000-0x000001ECBE4D4000-memory.dmp

        Filesize

        80KB

      • memory/1452-202-0x000001ECD6D80000-0x000001ECD6DA4000-memory.dmp

        Filesize

        144KB

      • memory/1452-225-0x000001ECDBE40000-0x000001ECDBE62000-memory.dmp

        Filesize

        136KB

      • memory/1452-203-0x000001ECD6DA0000-0x000001ECD6DAA000-memory.dmp

        Filesize

        40KB

      • memory/1452-204-0x000001ECD71A0000-0x000001ECD7252000-memory.dmp

        Filesize

        712KB

      • memory/1452-205-0x000001ECD6DC0000-0x000001ECD6DEA000-memory.dmp

        Filesize

        168KB

      • memory/1452-207-0x000001ECD72D0000-0x000001ECD7332000-memory.dmp

        Filesize

        392KB

      • memory/1452-206-0x000001ECD7250000-0x000001ECD72CA000-memory.dmp

        Filesize

        488KB

      • memory/1452-211-0x000001ECD73B0000-0x000001ECD7426000-memory.dmp

        Filesize

        472KB

      • memory/1452-212-0x000001ECBE490000-0x000001ECBE49A000-memory.dmp

        Filesize

        40KB

      • memory/1452-216-0x000001ECD7430000-0x000001ECD7730000-memory.dmp

        Filesize

        3.0MB

      • memory/1452-221-0x000001ECDBE20000-0x000001ECDBE28000-memory.dmp

        Filesize

        32KB

      • memory/1452-223-0x000001ECDB730000-0x000001ECDB73E000-memory.dmp

        Filesize

        56KB

      • memory/1452-222-0x000001ECDB760000-0x000001ECDB798000-memory.dmp

        Filesize

        224KB

      • memory/1648-144-0x00007FFFE9F80000-0x00007FFFEA189000-memory.dmp

        Filesize

        2.0MB

      • memory/1648-254-0x0000000072B90000-0x0000000072D0D000-memory.dmp

        Filesize

        1.5MB

      • memory/2004-100-0x00007FFFE9F80000-0x00007FFFEA189000-memory.dmp

        Filesize

        2.0MB

      • memory/2004-99-0x0000000072B90000-0x0000000072D0D000-memory.dmp

        Filesize

        1.5MB

      • memory/2004-126-0x0000000072B90000-0x0000000072D0D000-memory.dmp

        Filesize

        1.5MB

      • memory/2840-269-0x0000000073130000-0x0000000074447000-memory.dmp

        Filesize

        19.1MB

      • memory/2840-280-0x00000000060F0000-0x000000000610E000-memory.dmp

        Filesize

        120KB

      • memory/2840-300-0x0000000007A00000-0x0000000007A0A000-memory.dmp

        Filesize

        40KB

      • memory/2840-281-0x00000000061C0000-0x0000000006226000-memory.dmp

        Filesize

        408KB

      • memory/2840-279-0x0000000006600000-0x0000000006B2C000-memory.dmp

        Filesize

        5.2MB

      • memory/2840-278-0x0000000005350000-0x000000000535A000-memory.dmp

        Filesize

        40KB

      • memory/2840-277-0x00000000054F0000-0x0000000005540000-memory.dmp

        Filesize

        320KB

      • memory/2840-276-0x0000000005470000-0x00000000054E6000-memory.dmp

        Filesize

        472KB

      • memory/2840-272-0x0000000000BC0000-0x0000000000C86000-memory.dmp

        Filesize

        792KB

      • memory/2840-273-0x00000000053D0000-0x0000000005462000-memory.dmp

        Filesize

        584KB

      • memory/2840-274-0x0000000005A20000-0x0000000005FC6000-memory.dmp

        Filesize

        5.6MB

      • memory/2840-275-0x0000000005750000-0x0000000005912000-memory.dmp

        Filesize

        1.8MB

      • memory/2932-197-0x0000000000400000-0x0000000002AF0000-memory.dmp

        Filesize

        38.9MB

      • memory/2932-267-0x0000000000400000-0x0000000002AF0000-memory.dmp

        Filesize

        38.9MB

      • memory/2932-146-0x0000000002DD0000-0x0000000002ED0000-memory.dmp

        Filesize

        1024KB

      • memory/2932-161-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4284-33-0x0000000000400000-0x0000000002B15000-memory.dmp

        Filesize

        39.1MB

      • memory/4284-125-0x0000000000400000-0x0000000002B15000-memory.dmp

        Filesize

        39.1MB

      • memory/4284-1-0x0000000002C90000-0x0000000002D90000-memory.dmp

        Filesize

        1024KB

      • memory/4284-3-0x0000000000400000-0x0000000002B15000-memory.dmp

        Filesize

        39.1MB

      • memory/4284-2-0x0000000004840000-0x00000000048AD000-memory.dmp

        Filesize

        436KB