General

  • Target

    AppInstall_4.12.57.5.exe

  • Size

    23.2MB

  • MD5

    f43c566ac30f8daf0b62464caa69a25b

  • SHA1

    f15a346e7b1db1cfec86285cb48e109311a8a5d0

  • SHA256

    bc5f656aa00a28f579edf7cd7d8539782b53071c16fb35636a029ead6399bc83

  • SHA512

    0da796f104f212459641a8d372f0d488ce39a1b803fa116aa62b9c4bc7fe3d4df76b2747c6757510e03d7c789c4f78feba692699bca9c5c50063abafa3e73d9b

  • SSDEEP

    393216:q26GA3is67YJMnDiyrZ74MC1EgVqNHb2k7D/fea7KiDqBIaThxGVnxpxjAat0ebv:PA3isGYJMD1rZKLqNPDKiDqV/Gvp+60o

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://bitbucket.org/targetfile/download/downloads/update.exe

Signatures

  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

  • NSIS installer 2 IoCs

Files

  • AppInstall_4.12.57.5.exe
    .exe windows:4 windows x86 arch:x86

    3abe302b6d9a1256e6a915429af4ffd2


    Headers

    Imports

    Sections

  • $TEMP/script.ps1
    .ps1
  • LICENSE.txt
  • host/fxr/8.0.8/hostfxr.dll
    .dll windows:6 windows x64 arch:x64

    7534859af8c7bfef2598e27433761580


    Code Sign

    Headers

    Imports

    Exports

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/Microsoft.CSharp.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/Microsoft.DiaSymReader.Native.amd64.dll
    .dll regsvr32 windows:6 windows x64 arch:x64

    91991fa58b73d2cf2f8c8572ce8c77af


    Code Sign

    Headers

    Imports

    Exports

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/Microsoft.VisualBasic.Core.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/Microsoft.Win32.Registry.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Collections.Concurrent.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Collections.Immutable.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Collections.NonGeneric.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Collections.Specialized.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Collections.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.ComponentModel.Annotations.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.ComponentModel.TypeConverter.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Console.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Data.Common.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Diagnostics.DiagnosticSource.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Diagnostics.Process.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Diagnostics.TraceSource.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Drawing.Primitives.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Formats.Asn1.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Formats.Tar.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.IO.Compression.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.IO.FileSystem.AccessControl.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.IO.Pipes.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Linq.Expressions.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Linq.Parallel.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Linq.Queryable.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Linq.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Memory.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Net.Http.Json.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Net.Http.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Net.HttpListener.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Net.Mail.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Net.NameResolution.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Net.NetworkInformation.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Net.Ping.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Net.Primitives.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Net.Quic.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Net.Requests.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Net.Security.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Net.Sockets.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Net.WebClient.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Net.WebSockets.Client.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Net.WebSockets.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Private.Uri.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Private.Xml.Linq.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Private.Xml.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Reflection.Emit.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Reflection.Metadata.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Runtime.InteropServices.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Runtime.Numerics.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Runtime.Serialization.Formatters.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Security.AccessControl.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Security.Claims.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Security.Cryptography.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Security.Principal.Windows.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Text.Encoding.CodePages.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Text.Encodings.Web.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Text.Json.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Text.RegularExpressions.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Threading.Channels.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Threading.Tasks.Dataflow.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Threading.Tasks.Parallel.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/System.Transactions.Local.dll
    .dll windows:4 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/clretwrc.dll
    .dll windows:6 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/clrgc.dll
    .dll windows:6 windows x64 arch:x64

    1b58a12b22481a73b70459ac1dd7c5be


    Code Sign

    Headers

    Imports

    Exports

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/clrjit.dll
    .dll windows:6 windows x64 arch:x64

    d2a89e5170077cf2f72674d80e5099b3


    Code Sign

    Headers

    Imports

    Exports

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/coreclr.dll
    .dll windows:6 windows x64 arch:x64

    5e5dc4f721a3ab29269f22f1050f9ee7


    Code Sign

    Headers

    Imports

    Exports

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/hostpolicy.dll
    .dll windows:6 windows x64 arch:x64

    f26ecd6c7a79e6e9489a3dc9b0514a54


    Code Sign

    Headers

    Imports

    Exports

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/mscordaccore.dll
    .dll windows:6 windows x64 arch:x64

    e9ad42acf7f24caf6b1dc6bdbd5dff55


    Code Sign

    Headers

    Imports

    Exports

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/mscordaccore_amd64_amd64_8.0.824.36612.dll
    .dll windows:6 windows x64 arch:x64

    e9ad42acf7f24caf6b1dc6bdbd5dff55


    Code Sign

    Headers

    Imports

    Exports

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/mscordbi.dll
    .dll windows:6 windows x64 arch:x64

    c76bc98ade3afd9c629dcc6afcd84c3f


    Code Sign

    Headers

    Imports

    Exports

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/mscorrc.dll
    .dll windows:6 windows x64 arch:x64


    Code Sign

    Headers

    Sections

  • shared/Microsoft.NETCore.App/8.0.8/msquic.dll
    .dll windows:6 windows x64 arch:x64

    523951a169b35540a45549af507b6361


    Code Sign

    Headers

    Imports

    Exports

    Sections