Analysis

  • max time kernel
    128s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 22:56

General

  • Target

    caff5924571332786f455fcb7f950118.exe

  • Size

    448KB

  • MD5

    caff5924571332786f455fcb7f950118

  • SHA1

    d34c299691bab9929c735b5d88a03f1d499c7cc5

  • SHA256

    3d50246010407b3464154b8f743231dd360a8057f577e2a2e0f16a2e0eaffc45

  • SHA512

    b4b1a49e754286a515ca39883ed73ceddf6d2343f9cba39b66655e5b9068321ee943c4072000b02c857eb96bb45ec3d69fa827527ac817e494b853fc5b567650

  • SSDEEP

    6144:oNF3POAieKg0hJzuXlGf1aoe9LhE5alENffh/Zoftod2TD2xmSuWVK:oNF/OAi3wUavE5alENffh/q1SYFWVK

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\caff5924571332786f455fcb7f950118.exe
    "C:\Users\Admin\AppData\Local\Temp\caff5924571332786f455fcb7f950118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3784
    • C:\Users\Admin\AppData\Local\Temp\u2x4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2x4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1168
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1168 -s 2324
        3⤵
        • Program crash
        PID:3940
    • C:\Users\Admin\AppData\Local\Temp\u2x4.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u2x4.2\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:2124
      • 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:4104
        • 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:4464
    • C:\Users\Admin\AppData\Local\Temp\u2x4.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u2x4.3.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:4460
      • 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:5112
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3784 -s 1172
      2⤵
      • Program crash
      PID:552
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3784 -ip 3784
    1⤵
      PID:2692
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1168 -ip 1168
      1⤵
        PID:5052

      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\a0a514ae

        Filesize

        1.4MB

        MD5

        8431040a49903bf7e98b8a46addf1936

        SHA1

        b2addfce5b57892887b0f614d640fbbf2a2d0d7d

        SHA256

        f93029db0619f0508f27c4c2392086eda5863e215d57fc8caef72ae231fd0c55

        SHA512

        a9fd40cca4efe779e61b2aba413597ac28676ac244228a78cbd7b6bcd4d49c980f5b31a115507e239c437eadb0973bebdd9d2de57b03f9ced051b278b579ff00

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

        Filesize

        3KB

        MD5

        dbabcb248f80eed1c09234ec2e715fc4

        SHA1

        6ce57afdc80c1707a710b793375847cbce164109

        SHA256

        8ee5aab640c5acd24251f7e72616d6bca0738f5610ac08dc4b2f88c4a069b340

        SHA512

        8dd00ba3031f2b295d93ccb59618d5dcf89bb81bdcf0eb5aaccc5e6ba17cb2cc462f7d91283e7f7ee082a0613cebad33e145467c37af9a59b9345247e611ed12

      • C:\Users\Admin\AppData\Local\Temp\tmpB334.tmp

        Filesize

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmpB356.tmp

        Filesize

        20KB

        MD5

        49693267e0adbcd119f9f5e02adf3a80

        SHA1

        3ba3d7f89b8ad195ca82c92737e960e1f2b349df

        SHA256

        d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

        SHA512

        b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

      • C:\Users\Admin\AppData\Local\Temp\u2x4.0.exe

        Filesize

        302KB

        MD5

        fff0b72b805f8622530d454d3ffe4e40

        SHA1

        57900c51fdd51436d554e81c7febb9d202e1eb8b

        SHA256

        c032e2b1c04b5e2b9bc3ae439e75b993d1e3e03163ac6e589a50cec3745fec7e

        SHA512

        787eeb8e1184643711ab5a95adb297d9f35c49ad45b81cfe3e4c615067e7de0aea72bdcc452fe6bd9b4f9aebab63e4f5e03437f26dda24b39cddb834e4f65c42

      • C:\Users\Admin\AppData\Local\Temp\u2x4.1.zip

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u2x4.2\UIxMarketPlugin.dll

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u2x4.2\bunch.dat

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u2x4.2\relay.dll

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u2x4.2\run.exe

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u2x4.2\whale.dbf

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • C:\Users\Admin\AppData\Local\Temp\u2x4.3.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1168-17-0x0000000001A20000-0x0000000001A47000-memory.dmp

        Filesize

        156KB

      • memory/1168-16-0x0000000001A50000-0x0000000001B50000-memory.dmp

        Filesize

        1024KB

      • memory/1168-272-0x0000000000400000-0x0000000001A17000-memory.dmp

        Filesize

        22.1MB

      • memory/1168-111-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1168-266-0x0000000001A50000-0x0000000001B50000-memory.dmp

        Filesize

        1024KB

      • memory/1168-262-0x0000000000400000-0x0000000001A17000-memory.dmp

        Filesize

        22.1MB

      • memory/1168-192-0x0000000000400000-0x0000000001A17000-memory.dmp

        Filesize

        22.1MB

      • memory/1168-18-0x0000000000400000-0x0000000001A17000-memory.dmp

        Filesize

        22.1MB

      • memory/2124-105-0x00007FFC85250000-0x00007FFC85445000-memory.dmp

        Filesize

        2.0MB

      • memory/2124-104-0x0000000072C40000-0x0000000072DBB000-memory.dmp

        Filesize

        1.5MB

      • memory/2124-172-0x0000000072C40000-0x0000000072DBB000-memory.dmp

        Filesize

        1.5MB

      • memory/3784-1-0x0000000001C40000-0x0000000001D40000-memory.dmp

        Filesize

        1024KB

      • memory/3784-3-0x0000000000400000-0x0000000001A3B000-memory.dmp

        Filesize

        22.2MB

      • memory/3784-2-0x0000000001BB0000-0x0000000001C1D000-memory.dmp

        Filesize

        436KB

      • memory/3784-161-0x0000000000400000-0x0000000001A3B000-memory.dmp

        Filesize

        22.2MB

      • memory/4104-259-0x0000000072C40000-0x0000000072DBB000-memory.dmp

        Filesize

        1.5MB

      • memory/4104-190-0x00007FFC85250000-0x00007FFC85445000-memory.dmp

        Filesize

        2.0MB

      • memory/4460-199-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4460-232-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4464-278-0x0000000005930000-0x00000000059C2000-memory.dmp

        Filesize

        584KB

      • memory/4464-282-0x0000000005AF0000-0x0000000005B40000-memory.dmp

        Filesize

        320KB

      • memory/4464-281-0x0000000005A50000-0x0000000005AC6000-memory.dmp

        Filesize

        472KB

      • memory/4464-280-0x0000000005CB0000-0x0000000005E72000-memory.dmp

        Filesize

        1.8MB

      • memory/4464-279-0x0000000005F80000-0x0000000006524000-memory.dmp

        Filesize

        5.6MB

      • memory/4464-283-0x0000000005A00000-0x0000000005A0A000-memory.dmp

        Filesize

        40KB

      • memory/4464-277-0x0000000001300000-0x00000000013C6000-memory.dmp

        Filesize

        792KB

      • memory/4464-274-0x00000000717C0000-0x0000000072A14000-memory.dmp

        Filesize

        18.3MB

      • memory/4464-285-0x00000000066F0000-0x000000000670E000-memory.dmp

        Filesize

        120KB

      • memory/4464-286-0x00000000067E0000-0x0000000006846000-memory.dmp

        Filesize

        408KB

      • memory/4464-305-0x0000000008020000-0x000000000802A000-memory.dmp

        Filesize

        40KB

      • memory/4464-284-0x0000000006BA0000-0x00000000070CC000-memory.dmp

        Filesize

        5.2MB

      • memory/5112-240-0x000002179BEA0000-0x000002179BECA000-memory.dmp

        Filesize

        168KB

      • memory/5112-260-0x00000217FE9F0000-0x00000217FEA40000-memory.dmp

        Filesize

        320KB

      • memory/5112-261-0x00000217A0460000-0x00000217A046C000-memory.dmp

        Filesize

        48KB

      • memory/5112-256-0x00000217A17E0000-0x00000217A1D08000-memory.dmp

        Filesize

        5.2MB

      • memory/5112-255-0x00000217A0440000-0x00000217A0462000-memory.dmp

        Filesize

        136KB

      • memory/5112-263-0x00000217FE8E0000-0x00000217FE902000-memory.dmp

        Filesize

        136KB

      • memory/5112-264-0x00000217FE9A0000-0x00000217FE9BE000-memory.dmp

        Filesize

        120KB

      • memory/5112-254-0x00000217A0430000-0x00000217A043A000-memory.dmp

        Filesize

        40KB

      • memory/5112-253-0x00000217FE850000-0x00000217FE85E000-memory.dmp

        Filesize

        56KB

      • memory/5112-252-0x00000217FE8A0000-0x00000217FE8D8000-memory.dmp

        Filesize

        224KB

      • memory/5112-251-0x00000217FE840000-0x00000217FE848000-memory.dmp

        Filesize

        32KB

      • memory/5112-249-0x000002179C060000-0x000002179C360000-memory.dmp

        Filesize

        3.0MB

      • memory/5112-245-0x000002179BAE0000-0x000002179BAEA000-memory.dmp

        Filesize

        40KB

      • memory/5112-244-0x00000217FE920000-0x00000217FE996000-memory.dmp

        Filesize

        472KB

      • memory/5112-243-0x000002179C000000-0x000002179C062000-memory.dmp

        Filesize

        392KB

      • memory/5112-242-0x000002179BF80000-0x000002179BFFA000-memory.dmp

        Filesize

        488KB

      • memory/5112-241-0x000002179BED0000-0x000002179BF82000-memory.dmp

        Filesize

        712KB

      • memory/5112-239-0x000002179BAD0000-0x000002179BADA000-memory.dmp

        Filesize

        40KB

      • memory/5112-238-0x000002179BAB0000-0x000002179BAD4000-memory.dmp

        Filesize

        144KB

      • memory/5112-237-0x000002179A1D0000-0x000002179A1E4000-memory.dmp

        Filesize

        80KB

      • memory/5112-235-0x000002179A1C0000-0x000002179A1D0000-memory.dmp

        Filesize

        64KB

      • memory/5112-236-0x000002179BA60000-0x000002179BA6C000-memory.dmp

        Filesize

        48KB

      • memory/5112-234-0x000002179BC50000-0x000002179BD60000-memory.dmp

        Filesize

        1.1MB

      • memory/5112-233-0x0000021800000000-0x00000218038F8000-memory.dmp

        Filesize

        57.0MB