Analysis
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max time kernel
31s -
max time network
42s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05/10/2024, 19:32
Static task
static1
Behavioral task
behavioral1
Sample
92f96fb27c1adfbfc8d7bc43795268957c9717c38200f9b3ea78818e6c7a30d8.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
92f96fb27c1adfbfc8d7bc43795268957c9717c38200f9b3ea78818e6c7a30d8.exe
Resource
win10v2004-20240802-en
Errors
General
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Target
92f96fb27c1adfbfc8d7bc43795268957c9717c38200f9b3ea78818e6c7a30d8.exe
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Size
202KB
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MD5
2304b0912aaddc69a275779cfcbae7fc
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SHA1
2f08f3f98181b5ec1f06f6fda82d60c88b4a3481
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SHA256
92f96fb27c1adfbfc8d7bc43795268957c9717c38200f9b3ea78818e6c7a30d8
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SHA512
9a7938c9f5732d26318ae9114c272309dc516847bf84cc848e0d43a82dd328e36e77510dad22df0e0563ab23623108a3898161e2bb4066e5f4ceaeea964c75cc
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SSDEEP
3072:6e76ynluJR9B3NZWGCLOwstyhZFChcssc56FUrgxvbSD4UQrO2FR:ReynluP9ZNoShcHUar
Malware Config
Signatures
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Renames multiple (961) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Executes dropped EXE 2 IoCs
pid Process 984 Zombie.exe 4684 _cpack.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\Zombie.exe 92f96fb27c1adfbfc8d7bc43795268957c9717c38200f9b3ea78818e6c7a30d8.exe File opened for modification C:\Windows\SysWOW64\Zombie.exe 92f96fb27c1adfbfc8d7bc43795268957c9717c38200f9b3ea78818e6c7a30d8.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationClient.resources.dll.tmp Zombie.exe File created C:\Program Files\7-Zip\Lang\va.txt.tmp Zombie.exe File created C:\Program Files\7-Zip\Lang\yo.txt.tmp Zombie.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipshrv.xml.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-environment-l1-1-0.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.Primitives.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.DiaSymReader.Native.amd64.dll.tmp Zombie.exe File created C:\Program Files\7-Zip\Lang\pt-br.txt.tmp Zombie.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVPolicy.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.TextWriterTraceListener.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationCore.resources.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Memory.dll.tmp Zombie.exe File created C:\Program Files\7-Zip\Lang\mr.txt.tmp Zombie.exe File created C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pidgenx.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-synch-l1-2-0.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Algorithms.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.CodePages.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.dll.tmp Zombie.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.tmp Zombie.exe File created C:\Program Files\7-Zip\Lang\hy.txt.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.StackTrace.dll.tmp Zombie.exe File created C:\Program Files\7-Zip\Lang\sw.txt.tmp Zombie.exe File created C:\Program Files\Common Files\microsoft shared\ink\mshwgst.dll.tmp Zombie.exe File created C:\Program Files\Common Files\microsoft shared\ink\tipskins.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Web.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.Brotli.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encodings.Web.dll.tmp Zombie.exe File created C:\Program Files\7-Zip\Lang\tt.txt.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Globalization.Calendars.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.dll.tmp Zombie.exe File created C:\Program Files\7-Zip\Lang\uz.txt.tmp Zombie.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\rtscom.dll.mui.tmp Zombie.exe File created C:\Program Files\Common Files\System\msadc\en-US\msdaremr.dll.mui.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.TextWriterTraceListener.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.resources.dll.tmp Zombie.exe File created C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp Zombie.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.lv-lv.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.CoreLib.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.HttpUtility.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Transactions.Local.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.TextWriterTraceListener.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.dll.tmp Zombie.exe File created C:\Program Files\7-Zip\Lang\sk.txt.tmp Zombie.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-changjei.xml.tmp Zombie.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsrus.xml.tmp Zombie.exe File created C:\Program Files\Common Files\System\Ole DB\fr-FR\oledb32r.dll.mui.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-console-l1-2-0.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-profile-l1-1-0.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Http.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\WindowsBase.dll.tmp Zombie.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msdaprsr.dll.mui.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Security.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Process.dll.tmp Zombie.exe File created C:\Program Files\Common Files\Services\verisign.bmp.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Extensions.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.X509Certificates.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.Common.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.DispatchProxy.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Loader.dll.tmp Zombie.exe File created C:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XPath.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ValueTuple.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Tracing.dll.tmp Zombie.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Zombie.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 92f96fb27c1adfbfc8d7bc43795268957c9717c38200f9b3ea78818e6c7a30d8.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2980 wrote to memory of 984 2980 92f96fb27c1adfbfc8d7bc43795268957c9717c38200f9b3ea78818e6c7a30d8.exe 82 PID 2980 wrote to memory of 984 2980 92f96fb27c1adfbfc8d7bc43795268957c9717c38200f9b3ea78818e6c7a30d8.exe 82 PID 2980 wrote to memory of 984 2980 92f96fb27c1adfbfc8d7bc43795268957c9717c38200f9b3ea78818e6c7a30d8.exe 82 PID 2980 wrote to memory of 4684 2980 92f96fb27c1adfbfc8d7bc43795268957c9717c38200f9b3ea78818e6c7a30d8.exe 83 PID 2980 wrote to memory of 4684 2980 92f96fb27c1adfbfc8d7bc43795268957c9717c38200f9b3ea78818e6c7a30d8.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\92f96fb27c1adfbfc8d7bc43795268957c9717c38200f9b3ea78818e6c7a30d8.exe"C:\Users\Admin\AppData\Local\Temp\92f96fb27c1adfbfc8d7bc43795268957c9717c38200f9b3ea78818e6c7a30d8.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Windows\SysWOW64\Zombie.exe"C:\Windows\system32\Zombie.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:984
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C:\Users\Admin\AppData\Local\Temp\_cpack.exe"_cpack.exe"2⤵
- Executes dropped EXE
PID:4684
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
62KB
MD5c2bdb63cc4fc4400e0f577a47618c338
SHA15137e6f5fd7c43f694823b77ea8f5d18724825ac
SHA256d0c53a384e6015ceb2650b94458fd48f32e3620fca5a84a0e83dff9da28492e0
SHA5120f3af86f4ec3d2f954b6f364b86609edbda33eac94839ff90f4d2a19ce5baa3b2394f9efa1e37bd9a452fc1b00b3823aaddfc215e1545aa8ae3417444fbbe28c
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Filesize
140KB
MD5caad373422b474737f4d76fb82379581
SHA16804be1ae8bfd3858e0053915f75d4b611790bc5
SHA25622c0d54e96431ebae4d40546f4efe6af61d1a9644710f93dc32ec2ca6cf2ba75
SHA512dbaba0bc94aaeddb9811b0b9fd923f763ef8c7e290153e21e295230fdbe9c683dbf0b096eda3a3eb06e4ff9733cb3e9906737a1b5ee8e6af034680c198b95dd5
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Filesize
62KB
MD55af944cf740d2192d144419d30762476
SHA1363dd67cf6512196afed71bd203f28f14e10a69e
SHA256d450ad7ccae673bd9f292caf4dc4b78d20b8a133036bb931cf5fa8d24e1163a5
SHA512b29406b5c0125c408f600ef91079be3e0239397ba664227e139e44946f828c35485ea0af3a5423f84c0818e03bc698b4c9b0e3b5d303d86ad0e632d26264a148