Analysis

  • max time kernel
    147s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    30/04/2024, 01:10

General

  • Target
    276351bbf592f164b3c090947a16192199f8c51f70330b7e840a81aef7a2fb1f.exe
  • Size 451KB
  • Sample240430-bjs97agc41
  • SHA256 276351bbf592f164b3c090947a16192199f8c51f70330b7e840a81aef7a2fb1f
  • 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
  • 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#.

  • Detect binaries embedding considerable number of MFA browser extension IDs. 1 IoCs
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects encrypted or obfuscated .NET executables 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 16 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\276351bbf592f164b3c090947a16192199f8c51f70330b7e840a81aef7a2fb1f.exe
    "C:\Users\Admin\AppData\Local\Temp\276351bbf592f164b3c090947a16192199f8c51f70330b7e840a81aef7a2fb1f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Users\Admin\AppData\Local\Temp\uvw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uvw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1904
    • C:\Users\Admin\AppData\Local\Temp\uvw.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\uvw.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:1980
      • 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:872
        • 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:2148
    • C:\Users\Admin\AppData\Local\Temp\uvw.3.exe
      "C:\Users\Admin\AppData\Local\Temp\uvw.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2200
      • 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:3044

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e1e3186fabdc4119905c121122c1f0c9.tmp

        • Path C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\252e99e709753c2ab04b66e213ab7d72cfdb494a7016e07d23bc17fe7cebab94\e1e3186fabdc4119905c121122c1f0c9.tmp
        • Size 1KB
        • SHA256 1c0edc9ef07f11ccb5f78f212f9c13ffc3bb080d392c5fbee4068fc18115e99e
        • MD5 SHA1 SHA512

        UVW1~1.ZIP

        • Path C:\Users\Admin\AppData\Local\Temp\UVW1~1.ZIP
        • Size 3.7MB
        • SHA256 a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
        • MD5 SHA1 SHA512 SSDEEP

        b97796f9

        • Path C:\Users\Admin\AppData\Local\Temp\b97796f9
        • Size 1.4MB
        • SHA256 50a8131da8641ca7eca341ee0646da9823e89ca752b10718e13383fcfaf92303
        • MD5 SHA1 SHA512 SSDEEP

        ioloDMLog.txt

        • Path C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
        • Size 3KB
        • SHA256 75bb0851907f94df294c7021805e796d50440cfb3fdf754134d07c3d2739461f
        • MD5 SHA1 SHA512

        tmpA97A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpA97A.tmp
        • Size 20KB
        • SHA256 4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
        • MD5 SHA1 SHA512 SSDEEP

        UIxMarketPlugin.dll

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

        bunch.dat

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

        relay.dll

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

        run.exe

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

        whale.dbf

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

        uvw.0.exe

        • Path \Users\Admin\AppData\Local\Temp\uvw.0.exe
        • Size 213KB
        • SHA256 5b5172f2d9e29bf1fb37c41a7dedc2d8f837776d5883cd46536d34e914fff228
        • MD5 SHA1 SHA512 SSDEEP

        uvw.3.exe

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

        memory/872-305-0x00000000732E0000-0x0000000073454000-memory.dmp

        memory/872-220-0x0000000076F60000-0x0000000077109000-memory.dmp

        memory/1148-3-0x0000000000400000-0x0000000001A3C000-memory.dmp

        memory/1148-190-0x0000000000400000-0x0000000001A3C000-memory.dmp

        memory/1148-191-0x00000000002C0000-0x00000000003C0000-memory.dmp

        memory/1148-2-0x00000000031D0000-0x000000000323D000-memory.dmp

        memory/1148-1-0x00000000002C0000-0x00000000003C0000-memory.dmp

        memory/1904-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        memory/1904-174-0x0000000000400000-0x0000000002AF3000-memory.dmp

        memory/1980-163-0x0000000076F60000-0x0000000077109000-memory.dmp

        memory/1980-215-0x00000000732E0000-0x0000000073454000-memory.dmp

        memory/1980-162-0x00000000732E0000-0x0000000073454000-memory.dmp

        memory/2148-315-0x00000000001E0000-0x00000000002A6000-memory.dmp

        memory/2148-307-0x0000000072270000-0x00000000732D2000-memory.dmp

        memory/2148-309-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

        memory/2148-308-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

        memory/2200-275-0x0000000000400000-0x00000000008AD000-memory.dmp

        memory/3044-276-0x0000000000D60000-0x0000000004658000-memory.dmp

        memory/3044-283-0x000000001E2E0000-0x000000001E30A000-memory.dmp

        memory/3044-285-0x000000001F940000-0x000000001F9BA000-memory.dmp

        memory/3044-286-0x0000000000AA0000-0x0000000000B02000-memory.dmp

        memory/3044-287-0x0000000000370000-0x000000000037A000-memory.dmp

        memory/3044-291-0x0000000020010000-0x0000000020310000-memory.dmp

        memory/3044-294-0x0000000000390000-0x000000000039A000-memory.dmp

        memory/3044-293-0x0000000000390000-0x000000000039A000-memory.dmp

        memory/3044-296-0x0000000000BD0000-0x0000000000BF2000-memory.dmp

        memory/3044-295-0x00000000006F0000-0x00000000006FA000-memory.dmp

        memory/3044-299-0x0000000005A60000-0x0000000005A6C000-memory.dmp

        memory/3044-304-0x0000000000390000-0x000000000039A000-memory.dmp

        memory/3044-303-0x0000000000390000-0x000000000039A000-memory.dmp

        memory/3044-284-0x000000001F890000-0x000000001F942000-memory.dmp

        memory/3044-282-0x000000001E180000-0x000000001E18A000-memory.dmp

        memory/3044-281-0x000000001E290000-0x000000001E2B4000-memory.dmp

        memory/3044-280-0x0000000000B00000-0x0000000000B14000-memory.dmp

        memory/3044-278-0x00000000003A0000-0x00000000003B0000-memory.dmp

        memory/3044-279-0x0000000000BF0000-0x0000000000BFC000-memory.dmp

        memory/3044-277-0x000000001ED00000-0x000000001EE10000-memory.dmp