Analysis

  • max time kernel
    217s
  • max time network
    222s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/08/2024, 10:10

General

  • Target
    Segwit_Setup.exe
  • Size 47.7MB
  • Sample240804-l7cmfssgpj
  • SHA256 7c6543af2eea8ed933e0898bdbcfc642f0c11bece904b366ca939da9e76465eb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealc

Botnet
  • doralands2

C2
  • http://195.211.124.201

Attributes
  • url_path

    /be7c600e19a47f1c.php

Signatures

  • Detects HijackLoader (aka IDAT Loader) 1 IoCs
  • HijackLoader

    HijackLoader is a multistage loader first seen in 2023.

  • Stealc

    Stealc is an infostealer written in C++.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Downloads MZ/PE file
  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 53 IoCs
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • 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 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Segwit_Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Segwit_Setup.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4240
    • C:\Program Files (x86)\Segwit\Segwit.exe
      "C:\Program Files (x86)\Segwit\Segwit.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4640
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" /command Add-MpPreference -ExclusionPath 'C:\Users\Admin'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2852
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" /command Add-MpPreference -ExclusionPath 'C:\Users\Admin'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1452
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" /command Add-MpPreference -ExclusionPath 'C:\Users\Admin'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3656
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" /command Add-MpPreference -ExclusionPath 'C:\Users\Admin'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4604
      • C:\Users\Admin\AppData\Local\Temp\3120a322-42d9-439f-8b24-83bee736b020\snss1.exe
        "C:\Users\Admin\AppData\Local\Temp\3120a322-42d9-439f-8b24-83bee736b020\snss1.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:4964
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\SysWOW64\cmd.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1008
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            5⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            PID:3740

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Accessibility.dll

        • Path C:\Program Files (x86)\Segwit\Accessibility.dll
        • Size 20KB
        • SHA256 929ea150ad45b7c7dd5427461fbec44d43b67c08081f59b42b6abf570feae271
        • MD5 SHA1 SHA512 SSDEEP

        Microsoft.Win32.Primitives.dll

        • Path C:\Program Files (x86)\Segwit\Microsoft.Win32.Primitives.dll
        • Size 15KB
        • SHA256 f1b40565e5c4c41da810aee5b7d2272a0906e88f796812435aa5ed712bcac40c
        • MD5 SHA1 SHA512 SSDEEP

        Segwit.dll

        • Path C:\Program Files (x86)\Segwit\Segwit.dll
        • Size 634KB
        • SHA256 a3c9db170c19005fb76bdea54f57e03f46179a216b15a0c5dd063e4a4855c55e
        • MD5 SHA1 SHA512 SSDEEP

        Segwit.exe

        • Path C:\Program Files (x86)\Segwit\Segwit.exe
        • Size 343KB
        • SHA256 4230b0aa144045f28351c851c62040a8e8d3ffb2297a2655cd732d4dbdc3ae1d
        • MD5 SHA1 SHA512 SSDEEP

        System.Collections.Concurrent.dll

        • Path C:\Program Files (x86)\Segwit\System.Collections.Concurrent.dll
        • Size 270KB
        • SHA256 483130bfd1e57a0cbfd8a4f3c6e2353ac3f246276f9476c83cca1cadbc47ef47
        • MD5 SHA1 SHA512 SSDEEP

        System.Collections.Specialized.dll

        • Path C:\Program Files (x86)\Segwit\System.Collections.Specialized.dll
        • Size 102KB
        • SHA256 0cbabb81eae22f4c07c6c846054d207ae3f25da15649eb7fa29e4e2cecd24db4
        • MD5 SHA1 SHA512 SSDEEP

        System.Collections.dll

        • Path C:\Program Files (x86)\Segwit\System.Collections.dll
        • Size 254KB
        • SHA256 9193aaef3ea8f19408f88c25fcaf5880e7836d1c35028d7e4077f6090b083541
        • MD5 SHA1 SHA512 SSDEEP

        System.ComponentModel.EventBasedAsync.dll

        • Path C:\Program Files (x86)\Segwit\System.ComponentModel.EventBasedAsync.dll
        • Size 46KB
        • SHA256 4c97d7bc0742faaa52ba86018b040aac44ddfc88a5835f9e6a659e03b4558999
        • MD5 SHA1 SHA512 SSDEEP

        System.ComponentModel.Primitives.dll

        • Path C:\Program Files (x86)\Segwit\System.ComponentModel.Primitives.dll
        • Size 78KB
        • SHA256 133ec34432ab8fa4f63ade636193864b6a62a089a0c98d746f5532c8a52f437b
        • MD5 SHA1 SHA512 SSDEEP

        System.ComponentModel.TypeConverter.dll

        • Path C:\Program Files (x86)\Segwit\System.ComponentModel.TypeConverter.dll
        • Size 726KB
        • SHA256 88129c110d748f7c8ef8a923f68cd26d39e0505b49bf5cc10cbd23b92f1a00a3
        • MD5 SHA1 SHA512 SSDEEP

        System.Diagnostics.FileVersionInfo.dll

        • Path C:\Program Files (x86)\Segwit\System.Diagnostics.FileVersionInfo.dll
        • Size 46KB
        • SHA256 92ae8401342fd8484e749c65a7726a0f5bff69346ad4e96026bfa063ff567b8b
        • MD5 SHA1 SHA512 SSDEEP

        System.Diagnostics.TraceSource.dll

        • Path C:\Program Files (x86)\Segwit\System.Diagnostics.TraceSource.dll
        • Size 142KB
        • SHA256 22365ee4e3ba3c991d495e41f92e29bf6ddb38a48c44f55651271b80ee62b6d1
        • MD5 SHA1 SHA512 SSDEEP

        System.Drawing.Common.dll

        • Path C:\Program Files (x86)\Segwit\System.Drawing.Common.dll
        • Size 1.5MB
        • SHA256 75b1e772a4355145364121af00e5b5cf06c7212aa53d662fdc996bc11e8092a9
        • MD5 SHA1 SHA512 SSDEEP

        System.Drawing.Primitives.dll

        • Path C:\Program Files (x86)\Segwit\System.Drawing.Primitives.dll
        • Size 130KB
        • SHA256 cbe9fbb1d1e4850460854474ffd8c01ddcc756dcb33a86d1674c0cb2e2a0b026
        • MD5 SHA1 SHA512 SSDEEP

        System.IO.FileSystem.dll

        • Path C:\Program Files (x86)\Segwit\System.IO.FileSystem.dll
        • Size 15KB
        • SHA256 7bd41c6b12b73e6e90476f2d56db8581664abe07e7ab9bf2917bb254ed1d75ad
        • MD5 SHA1 SHA512 SSDEEP

        System.Memory.dll

        • Path C:\Program Files (x86)\Segwit\System.Memory.dll
        • Size 154KB
        • SHA256 3af25e0c81c1462d0db86f55c4e5fd8c048c70685f9a566d29d499bc46935fb4
        • MD5 SHA1 SHA512 SSDEEP

        System.Private.CoreLib.dll

        • Path C:\Program Files (x86)\Segwit\System.Private.CoreLib.dll
        • Size 12.6MB
        • SHA256 ba7e61a00e7a4634b5c5a79b83126f75580ceec235c613000c3efbc01826cad0
        • MD5 SHA1 SHA512 SSDEEP

        System.Private.Xml.Linq.dll

        • Path C:\Program Files (x86)\Segwit\System.Private.Xml.Linq.dll
        • Size 394KB
        • SHA256 0b63cebb991d1911a607993ea5b4639f34a2b0b381a73973542db2d3591e9f90
        • MD5 SHA1 SHA512 SSDEEP

        System.Private.Xml.dll

        • Path C:\Program Files (x86)\Segwit\System.Private.Xml.dll
        • Size 7.6MB
        • SHA256 834e304221e742a831be5c5178892258e689eae35b730172e74161af2785aab9
        • MD5 SHA1 SHA512 SSDEEP

        System.Runtime.InteropServices.dll

        • Path C:\Program Files (x86)\Segwit\System.Runtime.InteropServices.dll
        • Size 94KB
        • SHA256 756de3f5f2e07b478ac046a0ac976b992ef6bc653a1be2bb1e28524a4ff8d67d
        • MD5 SHA1 SHA512 SSDEEP

        System.Runtime.dll

        • Path C:\Program Files (x86)\Segwit\System.Runtime.dll
        • Size 42KB
        • SHA256 1fc86ada2ec543a85b8a06a9470a7b5aaa91eb03cfe497a32cd52a1e043ea100
        • MD5 SHA1 SHA512 SSDEEP

        System.Security.Cryptography.Algorithms.dll

        • Path C:\Program Files (x86)\Segwit\System.Security.Cryptography.Algorithms.dll
        • Size 17KB
        • SHA256 c99c6b384655e1af4ae5161fe9d54d95828ae17b18b884b0a99258f1c45aa388
        • MD5 SHA1 SHA512 SSDEEP

        System.Security.Cryptography.Csp.dll

        • Path C:\Program Files (x86)\Segwit\System.Security.Cryptography.Csp.dll
        • Size 15KB
        • SHA256 16bc1f72938d96deca5ce031a29a43552385674c83f07e4f91d387f5f01b8d0a
        • MD5 SHA1 SHA512 SSDEEP

        System.Security.Cryptography.Primitives.dll

        • Path C:\Program Files (x86)\Segwit\System.Security.Cryptography.Primitives.dll
        • Size 15KB
        • SHA256 6703e8d35df4b6389f43df88cc35fc3b3823fb3a7f04e5eb540b0af39f5fa622
        • MD5 SHA1 SHA512 SSDEEP

        System.Security.Cryptography.dll

        • Path C:\Program Files (x86)\Segwit\System.Security.Cryptography.dll
        • Size 2.0MB
        • SHA256 4582f67764410785714a30fa05ffaaad78fe1bc8d4689889a43c2af825b2002e
        • MD5 SHA1 SHA512 SSDEEP

        System.Threading.Thread.dll

        • Path C:\Program Files (x86)\Segwit\System.Threading.Thread.dll
        • Size 15KB
        • SHA256 84c9a95609878542f00fe7da658f62d1a6943a43e6346af80d26bcff069a4dbd
        • MD5 SHA1 SHA512 SSDEEP

        System.Threading.dll

        • Path C:\Program Files (x86)\Segwit\System.Threading.dll
        • Size 82KB
        • SHA256 e8d1f5c422ee0ba3b235b22028ab92dc77c1ff9774edc0b940cad7224a30ba7d
        • MD5 SHA1 SHA512 SSDEEP

        System.Windows.Forms.Primitives.dll

        • Path C:\Program Files (x86)\Segwit\System.Windows.Forms.Primitives.dll
        • Size 2.9MB
        • SHA256 5794a3996a0b4ab9cb13f3de0f87d50462615a7d0eb1d243d9324a682c1b58cb
        • MD5 SHA1 SHA512 SSDEEP

        System.Windows.Forms.dll

        • Path C:\Program Files (x86)\Segwit\System.Windows.Forms.dll
        • Size 12.9MB
        • SHA256 efc52dbbef5202d9ff424d7adc6e2249b66450a5fd5414891776fc617b00123e
        • MD5 SHA1 SHA512 SSDEEP

        clrjit.dll

        • Path C:\Program Files (x86)\Segwit\clrjit.dll
        • Size 1.7MB
        • SHA256 0759c8129bc761fe039e1cacb92c643606591cb8149a2ed33ee16babc9768dcb
        • MD5 SHA1 SHA512 SSDEEP

        coreclr.dll

        • Path C:\Program Files (x86)\Segwit\coreclr.dll
        • Size 4.8MB
        • SHA256 871949a2ec19c183ccdacdea54c7b3e43c590eaf445e1b58817ee1cb3ce366d5
        • MD5 SHA1 SHA512 SSDEEP

        hostfxr.dll

        • Path C:\Program Files (x86)\Segwit\hostfxr.dll
        • Size 342KB
        • SHA256 5aa15c6119b971742a7f824609739198a3c7c499370ed8b8df5a5942f69d9303
        • MD5 SHA1 SHA512 SSDEEP

        hostpolicy.dll

        • Path C:\Program Files (x86)\Segwit\hostpolicy.dll
        • Size 388KB
        • SHA256 02c8dbe7bf1999352fc561cb35b51c6a88c881a4223c478c91768fdaf8e47b62
        • MD5 SHA1 SHA512 SSDEEP

        mscorrc.dll

        • Path C:\Program Files (x86)\Segwit\mscorrc.dll
        • Size 133KB
        • SHA256 23a433398be5135222ee14bb1de6334e7b22bad1a38664a83f1cf19dfbddd960
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_zkwb21ho.rzs.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zkwb21ho.rzs.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        InstallOptions.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nss80DA.tmp\InstallOptions.dll
        • Size 15KB
        • SHA256 b2091205e225fc07daf1101218c64ce62a4690cacac9c3d0644d12e93e4c213c
        • MD5 SHA1 SHA512 SSDEEP

        LangDLL.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nss80DA.tmp\LangDLL.dll
        • Size 5KB
        • SHA256 32230128c18574c1e860dfe4b17fe0334f685740e27bc182e0d525a8948c9c2e
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nss80DA.tmp\System.dll
        • Size 12KB
        • SHA256 9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706
        • MD5 SHA1 SHA512 SSDEEP

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nss80DA.tmp\ioSpecial.ini
        • Size 1KB
        • SHA256 ef6f7d9b1ce693f89f78a0717170cd07d505f6140adf2d69f012fe3ba769e515
        • MD5 SHA1 SHA512

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nss80DA.tmp\ioSpecial.ini
        • Size 1KB
        • SHA256 479a4b989b9e1d8fb2daa39dee65aee5ae958b661b8e11e8566ddd2592a0faf1
        • MD5 SHA1 SHA512

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nss80DA.tmp\ioSpecial.ini
        • Size 1KB
        • SHA256 7cb7d25673dbfd242c20c1522f01f731916c449c06c1205577d29b492975a715
        • MD5 SHA1 SHA512

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nss80DA.tmp\ioSpecial.ini
        • Size 1KB
        • SHA256 98425430ef53dcf314bd4b287d46eaf83227e67cb72eba6356f7212a9d2b8ef1
        • MD5 SHA1 SHA512

        memory/1008-777-0x00007FFD0E150000-0x00007FFD0E345000-memory.dmp

        memory/1008-778-0x0000000074300000-0x000000007447B000-memory.dmp

        memory/2852-731-0x000002450C7D0000-0x000002450C7F2000-memory.dmp

        memory/3740-781-0x00007FFD0E150000-0x00007FFD0E345000-memory.dmp

        memory/3740-780-0x0000000001000000-0x0000000001244000-memory.dmp

        memory/3740-782-0x0000000001000000-0x0000000001244000-memory.dmp

        memory/3740-785-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        memory/3740-827-0x0000000001000000-0x0000000001244000-memory.dmp

        memory/3740-848-0x0000000001000000-0x0000000001244000-memory.dmp

        memory/4964-774-0x0000000074300000-0x000000007447B000-memory.dmp

        memory/4964-773-0x00007FFD0E150000-0x00007FFD0E345000-memory.dmp

        memory/4964-772-0x0000000074300000-0x000000007447B000-memory.dmp

        memory/4964-771-0x0000000000400000-0x0000000000573000-memory.dmp