21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 22:29

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General

Target

21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
Size

881KB
MD5

91c62d30217b77f63f5e306a3c0ab400
SHA1

b7fb9c1175234b3d48d13702095099f58db45feb
SHA256

21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4
SHA512

cc24a31134f6a084bbf3b66079d06dc29ae4bb7d5542b84ad663b1ae5ff0ec7cc8a681a180da89c1eaa656d1914301566761e8f211cb21b75a89ed3f723adfcb
SSDEEP

24576:rIZaXkbvYIZaXkbvlIZaXkbvYIZaXkbv1:ETGTZ

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (1818) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2932-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b0b-2.dat	upx
behavioral2/files/0x00140000000228fc-6.dat	upx
behavioral2/memory/2932-406-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\sqloledb.rll.mui.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Formatters.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.DataContractSerialization.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationUI.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\he.pak.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msaddsr.dll.mui.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Xml.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Threading.AccessControl.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationCore.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationFramework.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clretwrc.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Http.Json.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Metadata.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Forms.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\hi.pak.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\7-Zip\Lang\is.txt.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\micaut.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\Common Files\System\msadc\msdaprst.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\PresentationCore.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\7-Zip\Lang\ro.txt.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Algorithms.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationUI.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Controls.Ribbon.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordbi.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.runtimeconfig.json.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Dynamic.Runtime.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Channels.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.IO.Packaging.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\rtscom.dll.mui.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Primitives.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.SecureString.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationCore.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemXml.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationFramework.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationUI.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\da-DK\tipresx.dll.mui.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.Win32.Registry.AccessControl.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msaddsr.dll.mui.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-interlocked-l1-1-0.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.Lightweight.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\Common Files\System\ado\msadrh15.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\mshwLatin.dll.mui.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.Annotations.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.NonGeneric.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Xaml.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Input.Manipulations.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\PresentationFramework.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\PresentationUI.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Channels.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdaosp.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationCore.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.EventLog.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationCore.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.ReaderWriter.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.ZipFile.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.NameResolution.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ServiceModel.Web.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsBase.resources.dll.tmp	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe

C:\Users\Admin\AppData\Local\Temp\21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe
"C:\Users\Admin\AppData\Local\Temp\21ca10281c183d21a598dc6cdb0f9111b1dfed05a89c0f825ada1613835389f4N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-2878641211-696417878-3864914810-1000\desktop.ini.tmp

Filesize
881KB

MD5
e6cbea8ed45dcc2d8801b1d6c76e7a2d

SHA1
45f99b13bdf0839c65e2a7f7487106dc2d932780

SHA256
a9d9f594bbbc149374a5479d54217f97b17597ffb031bfc46e7b8b2b71668a29

SHA512
b29f949502f579cbfb57b569280a5a51969144aa60f348c5bb0d8b0fdc9bed1b9e640e178b48acb419f4930471331f563ceef23bfbcbeba80d969b0a71565a26

Download Submit
C:\Program Files\7-Zip\7-zip.dll.tmp

Filesize
980KB

MD5
fe24eb4203a95f62c3c93f72d03c3751

SHA1
db1bfd0712e1236963db404619b1c8552ac013cd

SHA256
2b368c1209fc61455caff49a34b7e9ab7e1ced757eb2ef71d415a50eb647cf73

SHA512
48c3b4c5299e159090d08b2c6e6dd6f4ee0f1e6925ff235a20654059c07a96d0598b5bd4449a504d4edddeee555265ae18e63396c1256194c3441e749ad2596f

Download Submit
memory/2932-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2932-406-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download