1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad

Analysis

max time kernel
150s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27-07-2024 19:46

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General

Target

1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
Size

128KB
MD5

ff15c1ae6eca8c9853dd699cf7a192fb
SHA1

15c3acde3a00d946941100c5b5ce6bf5521abbde
SHA256

1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad
SHA512

6a98db0c378593de2129ee5c52bda6a00b5ef315efba18b6c2bf8a42e0c6c4f4daf3b8911e21b18fcfd95d7dc83e542e5cc548ea0d830b5bd25f9323d09ccdcb
SSDEEP

1536:V7Zf/FAxTWxOmO/fxRfxykK3ZUkK3ZKYF6ATW8OmO/fxRfxykK3ZUkK3ZKYF6n:fny+Tuf7fs63Tuf7fs6K

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (1832) 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/3312-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023444-2.dat	upx
behavioral2/files/0x000600000001e6e4-6.dat	upx
behavioral2/memory/3312-996-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsBase.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationClient.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\7-Zip\Lang\mr.txt.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\7-Zip\Lang\sq.txt.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationClientSideProviders.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sl-SI\tipresx.dll.mui.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.Brotli.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.Win32.SystemEvents.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\nl-NL\tipresx.dll.mui.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemXml.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Forms.Primitives.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ServiceProcess.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Primitives.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.HttpUtility.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemXml.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\th.pak.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_jpn.xml.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-private-l1-1-0.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Buffers.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.Calendars.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Controls.Ribbon.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationProvider.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\7-Zip\7-zip32.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Dynamic.Runtime.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationUI.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Drawing.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationClient.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\WindowsFormsIntegration.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\7-Zip\Lang\nl.txt.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-locale-l1-1-0.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\CompleteDeny.wmf.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.ServicePoint.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Transactions.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationClient.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Data.DataSetExtensions.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.Native.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Thread.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Forms.Primitives.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\Common Files\System\msadc\msdaremr.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XDocument.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Controls.Ribbon.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationCore.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\MEIPreload\preloaded_data.pb.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\ClientCapabilities.json.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationClientSideProviders.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.SystemEvents.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Drawing.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\da.pak.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-process-l1-1-0.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.Calendars.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Debug.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Xaml.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fi-FI\tipresx.dll.mui.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationClient.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\ReachFramework.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.VisualC.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\WindowsFormsIntegration.resources.dll.tmp	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.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	1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe

C:\Users\Admin\AppData\Local\Temp\1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe
"C:\Users\Admin\AppData\Local\Temp\1da201c70a9f0e416cb0bcb07e1f4f7ea2c339df8d22b2a22f40fdfb74c7edad.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3312

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-1-5-21-464762018-485119342-1613148473-1000\desktop.ini.tmp

Filesize
129KB

MD5
9944fe88d916a13f1161f8a0c55657a0

SHA1
1ef6e478167f771f52fff3e69bf1c8bd4901d97a

SHA256
f37037bb93ab0d0917d70803462b8ff6231d34970899d86601a0c213d606293a

SHA512
0c8c4f8600262a7d578bfd7dae3ca234c583da77e12896c0e724a63fc0edadccb5a0fb3bebec46b85bf9e3e83ce1aaa009bdb32ee50a88f5698161dbc19f066f

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

Filesize
227KB

MD5
7aca14b90dba30a069d5ccdfd9cde7cb

SHA1
59a23439c3bc80319230b36a45c9818bf5fa5b1c

SHA256
f097b4e1a1d99adc56ed47a86afe7a949095879deca83d3ff1b1d704caad356f

SHA512
d1672ccbae13c84812e68928f208b2716f454d5ad487d4c8fe79937ccef07d980755c72cab48d9e09a52997bd4121148739aeac74a60b4a4fee405bd8d9071a0

Download Submit
memory/3312-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3312-996-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download