Analysis

  • max time kernel
    278s
  • max time network
    284s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    29/04/2024, 04:51

General

  • Target
    12beb2655f1cc39c31fb53bc72670deef2f6311e0f5c2b22fbc85a4ad3cab306.exe
  • Size 405KB
  • Sample240429-fgwprabb91
  • SHA256 12beb2655f1cc39c31fb53bc72670deef2f6311e0f5c2b22fbc85a4ad3cab306
  • 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\12beb2655f1cc39c31fb53bc72670deef2f6311e0f5c2b22fbc85a4ad3cab306.exe
    "C:\Users\Admin\AppData\Local\Temp\12beb2655f1cc39c31fb53bc72670deef2f6311e0f5c2b22fbc85a4ad3cab306.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Users\Admin\AppData\Local\Temp\u1gg.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1gg.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2936
    • C:\Users\Admin\AppData\Local\Temp\u1gg.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u1gg.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:2140
      • 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:1260
        • 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:1504
    • C:\Users\Admin\AppData\Local\Temp\u1gg.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u1gg.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2036
      • 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:2248

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7457864da51946c2b65daf5b18dd458e.tmp

        • Path C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\252e99e709753c2ab04b66e213ab7d72cfdb494a7016e07d23bc17fe7cebab94\7457864da51946c2b65daf5b18dd458e.tmp
        • Size 1KB
        • SHA256 4c4517f2f5068d7c517be4779e924dd2c6cad1a066d0f9cf920ed66fb3bfcd0a
        • MD5 SHA1 SHA512

        U1GG1~1.ZIP

        • Path C:\Users\Admin\AppData\Local\Temp\U1GG1~1.ZIP
        • Size 3.7MB
        • SHA256 a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
        • MD5 SHA1 SHA512 SSDEEP

        c1c42d3c

        • Path C:\Users\Admin\AppData\Local\Temp\c1c42d3c
        • Size 1.4MB
        • SHA256 eceddde535a1d68031fddfba897488f391ea8812292a6fef999f717dde31ffdc
        • MD5 SHA1 SHA512 SSDEEP

        ioloDMLog.txt

        • Path C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
        • Size 2KB
        • SHA256 0d41194b6a2704b143afb649cb510e699ddd2ab44ce05283f3fea9d936a79022
        • MD5 SHA1 SHA512

        tmpB77E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpB77E.tmp
        • Size 20KB
        • SHA256 4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
        • MD5 SHA1 SHA512 SSDEEP

        UIxMarketPlugin.dll

        • Path C:\Users\Admin\AppData\Local\Temp\u1gg.2\UIxMarketPlugin.dll
        • Size 1.6MB
        • SHA256 cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
        • MD5 SHA1 SHA512 SSDEEP

        bunch.dat

        • Path C:\Users\Admin\AppData\Local\Temp\u1gg.2\bunch.dat
        • Size 1.3MB
        • SHA256 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
        • MD5 SHA1 SHA512 SSDEEP

        relay.dll

        • Path C:\Users\Admin\AppData\Local\Temp\u1gg.2\relay.dll
        • Size 1.5MB
        • SHA256 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
        • MD5 SHA1 SHA512 SSDEEP

        whale.dbf

        • Path C:\Users\Admin\AppData\Local\Temp\u1gg.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

        u1gg.0.exe

        • Path \Users\Admin\AppData\Local\Temp\u1gg.0.exe
        • Size 302KB
        • SHA256 c032e2b1c04b5e2b9bc3ae439e75b993d1e3e03163ac6e589a50cec3745fec7e
        • MD5 SHA1 SHA512 SSDEEP

        run.exe

        • Path \Users\Admin\AppData\Local\Temp\u1gg.2\run.exe
        • Size 2.4MB
        • SHA256 a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
        • MD5 SHA1 SHA512 SSDEEP

        u1gg.3.exe

        • Path \Users\Admin\AppData\Local\Temp\u1gg.3.exe
        • Size 4.6MB
        • SHA256 4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
        • MD5 SHA1 SHA512 SSDEEP

        memory/1260-305-0x0000000074130000-0x00000000742A4000-memory.dmp

        memory/1260-227-0x00000000775B0000-0x0000000077759000-memory.dmp

        memory/1504-315-0x0000000000400000-0x00000000004C6000-memory.dmp

        memory/1504-312-0x0000000072B30000-0x0000000073B92000-memory.dmp

        memory/1504-313-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

        memory/1504-314-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

        memory/1888-185-0x0000000000400000-0x0000000004055000-memory.dmp

        memory/1888-3-0x0000000000400000-0x0000000004055000-memory.dmp

        memory/1888-1-0x0000000000240000-0x0000000000340000-memory.dmp

        memory/1888-2-0x0000000004060000-0x00000000040CD000-memory.dmp

        memory/2036-275-0x0000000000400000-0x00000000008AD000-memory.dmp

        memory/2140-143-0x0000000074130000-0x00000000742A4000-memory.dmp

        memory/2140-214-0x0000000074130000-0x00000000742A4000-memory.dmp

        memory/2140-144-0x00000000775B0000-0x0000000077759000-memory.dmp

        memory/2248-277-0x000000001EE00000-0x000000001EF10000-memory.dmp

        memory/2248-284-0x000000001F770000-0x000000001F822000-memory.dmp

        memory/2248-285-0x000000001F820000-0x000000001F89A000-memory.dmp

        memory/2248-283-0x000000001F740000-0x000000001F76A000-memory.dmp

        memory/2248-286-0x0000000003CC0000-0x0000000003D22000-memory.dmp

        memory/2248-282-0x000000001E0C0000-0x000000001E0CA000-memory.dmp

        memory/2248-287-0x00000000001E0000-0x00000000001EA000-memory.dmp

        memory/2248-291-0x000000001FE20000-0x0000000020120000-memory.dmp

        memory/2248-293-0x0000000000200000-0x000000000020A000-memory.dmp

        memory/2248-294-0x0000000000200000-0x000000000020A000-memory.dmp

        memory/2248-296-0x000000001DF90000-0x000000001DFB2000-memory.dmp

        memory/2248-295-0x0000000004140000-0x000000000414A000-memory.dmp

        memory/2248-299-0x000000001DFB0000-0x000000001DFBC000-memory.dmp

        memory/2248-304-0x0000000000200000-0x000000000020A000-memory.dmp

        memory/2248-303-0x0000000000200000-0x000000000020A000-memory.dmp

        memory/2248-280-0x0000000003BB0000-0x0000000003BC4000-memory.dmp

        memory/2248-281-0x000000001ECE0000-0x000000001ED04000-memory.dmp

        memory/2248-278-0x0000000003BA0000-0x0000000003BB0000-memory.dmp

        memory/2248-279-0x0000000003DA0000-0x0000000003DAC000-memory.dmp

        memory/2248-276-0x0000000000210000-0x0000000003B08000-memory.dmp

        memory/2936-218-0x0000000000400000-0x0000000001A17000-memory.dmp

        memory/2936-22-0x0000000061E00000-0x0000000061EF3000-memory.dmp