Analysis

  • max time kernel
    272s
  • max time network
    279s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02/05/2024, 02:34

General

  • Target
    ISetup5.exe
  • Size 434KB
  • Sample240502-c2hf3sef4x
  • SHA256 6bea74bd9d96718e04955348bb175fc00018d7e19b94b764fb987702694e6a0f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealc

C2
  • http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • Detects Arechclient2 RAT 1 IoCs

    Arechclient2.

  • 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 17 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).

  • 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 12 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 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ISetup5.exe
    "C:\Users\Admin\AppData\Local\Temp\ISetup5.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1196
    • C:\Users\Admin\AppData\Local\Temp\ux8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\ux8.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1700
    • C:\Users\Admin\AppData\Local\Temp\ux8.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\ux8.2\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:2312
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Loads dropped DLL
        • 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:2912
    • C:\Users\Admin\AppData\Local\Temp\ux8.3.exe
      "C:\Users\Admin\AppData\Local\Temp\ux8.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2404
      • 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:616

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        4a8c53fcd6e540a6b6c9b34991de9984.tmp

        • Path C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\049b7335d372bd07248452d0b58e37cfb8420ac5b148b226adcb19ae95655a7b\4a8c53fcd6e540a6b6c9b34991de9984.tmp
        • Size 1KB
        • SHA256 d80620faf2c14d9af9634a0df2510e0b3966b74bef5be721cd984b0681138275
        • MD5 SHA1 SHA512

        UX81~1.ZIP

        • Path C:\Users\Admin\AppData\Local\Temp\UX81~1.ZIP
        • Size 3.7MB
        • SHA256 a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
        • MD5 SHA1 SHA512 SSDEEP

        cc0bf64a

        • Path C:\Users\Admin\AppData\Local\Temp\cc0bf64a
        • Size 1.4MB
        • SHA256 41cf2f7eac80e567369a58be076c4d6403d50caa6b3b500a48cfbfd361fb9b23
        • MD5 SHA1 SHA512 SSDEEP

        ioloDMLog.txt

        • Path C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
        • Size 2KB
        • SHA256 750949bcfa735997b5e1082a43ef5d699ae2239a5e18767ffec7bb0879549b84
        • MD5 SHA1 SHA512

        tmpC063.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpC063.tmp
        • Size 20KB
        • SHA256 4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
        • MD5 SHA1 SHA512 SSDEEP

        UIxMarketPlugin.dll

        • Path C:\Users\Admin\AppData\Local\Temp\ux8.2\UIxMarketPlugin.dll
        • Size 1.6MB
        • SHA256 cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
        • MD5 SHA1 SHA512 SSDEEP

        bunch.dat

        • Path C:\Users\Admin\AppData\Local\Temp\ux8.2\bunch.dat
        • Size 1.3MB
        • SHA256 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
        • MD5 SHA1 SHA512 SSDEEP

        relay.dll

        • Path C:\Users\Admin\AppData\Local\Temp\ux8.2\relay.dll
        • Size 1.5MB
        • SHA256 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
        • MD5 SHA1 SHA512 SSDEEP

        whale.dbf

        • Path C:\Users\Admin\AppData\Local\Temp\ux8.2\whale.dbf
        • Size 85KB
        • SHA256 b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
        • MD5 SHA1 SHA512 SSDEEP

        mozglue.dll

        • Path \ProgramData\mozglue.dll
        • Size 593KB
        • SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
        • MD5 SHA1 SHA512 SSDEEP

        nss3.dll

        • Path \ProgramData\nss3.dll
        • Size 2.0MB
        • SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
        • MD5 SHA1 SHA512 SSDEEP

        ux8.0.exe

        • Path \Users\Admin\AppData\Local\Temp\ux8.0.exe
        • Size 290KB
        • SHA256 0232a6ec0abe7c3697d3e881e64b91e158e8ae78745011d27c990decef210a4d
        • MD5 SHA1 SHA512 SSDEEP

        run.exe

        • Path \Users\Admin\AppData\Local\Temp\ux8.2\run.exe
        • Size 2.4MB
        • SHA256 a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
        • MD5 SHA1 SHA512 SSDEEP

        ux8.3.exe

        • Path \Users\Admin\AppData\Local\Temp\ux8.3.exe
        • Size 4.6MB
        • SHA256 4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
        • MD5 SHA1 SHA512 SSDEEP

        memory/616-299-0x000000001FF60000-0x0000000020260000-memory.dmp

        memory/616-303-0x000000001E030000-0x000000001E03A000-memory.dmp

        memory/616-318-0x00000000056C0000-0x00000000056CA000-memory.dmp

        memory/616-307-0x000000001E870000-0x000000001E87C000-memory.dmp

        memory/616-304-0x000000001E040000-0x000000001E062000-memory.dmp

        memory/616-302-0x00000000056C0000-0x00000000056CA000-memory.dmp

        memory/616-295-0x00000000056A0000-0x00000000056AA000-memory.dmp

        memory/616-294-0x000000001E810000-0x000000001E872000-memory.dmp

        memory/616-293-0x000000001EC70000-0x000000001ECEA000-memory.dmp

        memory/616-292-0x000000001F9D0000-0x000000001FA82000-memory.dmp

        memory/616-291-0x000000001EC40000-0x000000001EC6A000-memory.dmp

        memory/616-290-0x000000001DF20000-0x000000001DF2A000-memory.dmp

        memory/616-288-0x000000001E060000-0x000000001E084000-memory.dmp

        memory/616-275-0x0000000000380000-0x0000000003C78000-memory.dmp

        memory/616-284-0x000000001EE10000-0x000000001EF20000-memory.dmp

        memory/616-286-0x0000000005950000-0x000000000595C000-memory.dmp

        memory/616-285-0x00000000058B0000-0x00000000058C0000-memory.dmp

        memory/616-287-0x0000000005940000-0x0000000005954000-memory.dmp

        memory/1196-171-0x0000000000400000-0x0000000002B2A000-memory.dmp

        memory/1196-189-0x0000000000400000-0x0000000002B2A000-memory.dmp

        memory/1196-190-0x0000000000240000-0x00000000002AD000-memory.dmp

        memory/1196-1-0x0000000002CB0000-0x0000000002DB0000-memory.dmp

        memory/1196-2-0x0000000000240000-0x00000000002AD000-memory.dmp

        memory/1196-3-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/1196-191-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/1648-308-0x0000000074000000-0x0000000074174000-memory.dmp

        memory/1648-215-0x0000000077440000-0x00000000775E9000-memory.dmp

        memory/1700-226-0x0000000000400000-0x0000000002B06000-memory.dmp

        memory/1700-94-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        memory/1700-301-0x0000000000400000-0x0000000002B06000-memory.dmp

        memory/1700-313-0x0000000000400000-0x0000000002B06000-memory.dmp

        memory/2312-134-0x0000000074000000-0x0000000074174000-memory.dmp

        memory/2312-172-0x0000000074000000-0x0000000074174000-memory.dmp

        memory/2312-138-0x0000000077440000-0x00000000775E9000-memory.dmp

        memory/2404-274-0x0000000000400000-0x00000000008AD000-memory.dmp

        memory/2404-271-0x0000000000400000-0x00000000008AD000-memory.dmp

        memory/2912-317-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

        memory/2912-316-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

        memory/2912-315-0x00000000729C0000-0x0000000073A22000-memory.dmp

        memory/2912-319-0x0000000000120000-0x00000000001E6000-memory.dmp