1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb

Analysis

max time kernel
120s
max time network
92s
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, 21:16

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General

Target

1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
Size

341KB
MD5

bfba00ceab183b26b42fe6fead6b305e
SHA1

64cea5ff1d9ca00d3f26ef7653223b8b8dd999ed
SHA256

1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb
SHA512

179462e5e1f42c2f3541f2ff2284b99c8acc705edf9fc163134fc3304238de7ac5e54582b6ddb5b55ea248e91cb9f643b54c8a556ba48ff9ccdd00ba25c76ce3
SSDEEP

3072:fny1tESQv+T3K7mvRIWXiqKkKGbTDVPuqny1tESQv+T3K7mvRIWXiqKkKGbTDVPu:KbESQvE6g9tTDVYbESQvE6g9tTDVW

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3156) 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/3016-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b21-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/3016-636-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.CoreLib.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-private-l1-1-0.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationUI.resources.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Debug.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.IsolatedStorage.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\Microsoft.VisualBasic.Forms.resources.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue Warm.xml.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.Design.resources.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\java.policy.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_MAK-pl.xrm-ms.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Java\jdk-1.8\include\jni.h.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\msinfo32.exe.mui.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationClient.resources.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\splash_11-lic.gif.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ul-oob.xrm-ms.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ul-oob.xrm-ms.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Extensions.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XDocument.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\7-Zip\Lang\ms.txt.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Xml.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\WindowsBase.resources.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\resources.jar.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentDemoR_BypassTrial180-ppd.xrm-ms.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\PresentationCore.resources.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\mesa3d.md.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\7-Zip\Lang\fa.txt.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.CSharp.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Principal.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationUI.resources.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\sound.properties.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.cab.cat.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\msdasqlr.dll.mui.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.Primitives.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaprsr.dll.mui.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsplk.xml.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.TypeConverter.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.EventLog.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-synch-l1-1-0.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\WindowsFormsIntegration.resources.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Common Files\System\fr-FR\wab32res.dll.mui.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.FileSystem.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationNative_cor3.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\WindowsFormsIntegration.resources.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Intrinsics.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationUI.resources.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Input.Manipulations.resources.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Java\jdk-1.8\jre\LICENSE.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest1-pl.xrm-ms.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-datetime-l1-1-0.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Metadata.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription2-ppd.xrm-ms.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Forms.resources.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationClientSideProviders.dll.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-ppd.xrm-ms.tmp	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.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	1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe

C:\Users\Admin\AppData\Local\Temp\1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe
"C:\Users\Admin\AppData\Local\Temp\1d9d8d60d99d1140b173ec85db21119f315e5e8f41d734a62a607c0f5fb4dffb.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3016

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-1-5-21-2437139445-1151884604-3026847218-1000\desktop.ini.tmp

Filesize
341KB

MD5
2fb4db621f1559cc09d61141589e6eee

SHA1
49b881e6a8d929aebeff84ddd295d0ffeb3c8c56

SHA256
afaba5c9dccc95e7d6d6e016e79db72cacee50003b440430e2b49747469838e4

SHA512
77847e275e499bff213f13971784c62d2e84899e1c898ca6e973b33e1ad190e88bcf3c08d6a93d81be9da3bc3db989baf81c8b50b084f6125f6757b98fab0877

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

Filesize
440KB

MD5
890269b6bbd78f99cd6e95d98a570cfd

SHA1
10557d78dd9acf8c5347ecbec74297d89a6153eb

SHA256
04dcf901320b43a966ac4e879af31f221b0d087837584259b7110f7c780a0d99

SHA512
0b742756797fbe2b1e7aca75fc958e0d87398500c9e36233f5ff3827aefd1debee4dd4341c3a9a94d768bcc65bd0b172528b50e0d65eac8c31312c4f8251175e

Download Submit
memory/3016-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3016-636-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download