e3dc27d65880d02f9bc8b00a5058923f98febb913b60295ea6abf482a029f980

Analysis

max time kernel
120s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
27-07-2024 01:01

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General

Target

772c0ff02cdb44cd7f288ed87f59e1d0N.exe
Size

48KB
MD5

772c0ff02cdb44cd7f288ed87f59e1d0
SHA1

c6d8255bdefe9e6fcda82c7f27f76842448e298d
SHA256

e3dc27d65880d02f9bc8b00a5058923f98febb913b60295ea6abf482a029f980
SHA512

13664cc70e7dc47117b6a1e99243b995deba2132e018e74200e960737c786ee6f1433dfb2863013ae29b8d0be8b9a43de74eb4ff426f2d63fe1e0fddd4837286
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNyf:V7Zf/FAxTWoJJZENTNyf

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (2570) 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/1048-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000800000002325a-2.dat	upx
behavioral2/files/0x0004000000022949-6.dat	upx
behavioral2/memory/1048-1584-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Controls.Ribbon.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationProvider.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-console-l1-2-0.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XDocument.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Queryable.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.Unsafe.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\PresentationCore.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\EditRestart.aiff.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\7-Zip\Lang\ast.txt.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.MemoryMappedFiles.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\ReachFramework.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Luna.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Internet Explorer\ielowutil.exe.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\ffjcext.zip.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-utility-l1-1-0.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\zipfs.jar.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.HttpListener.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationTypes.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationProvider.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.Win32.SystemEvents.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\javafx.properties.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.Win32.Registry.AccessControl.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationClient.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightDemiBold.ttf.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\resource.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msadcer.dll.mui.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationFramework.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\ReachFramework.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\fil.pak.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Channels.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationFramework.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\DirectWriteForwarder.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\directshow.md.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\server\classes.jsa.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfr\profile.jfc.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Transactions.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationClient.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\kn.pak.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaTypewriterRegular.ttf.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\ReachFramework.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-heap-l1-1-0.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\7-Zip\Lang\an.txt.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrcommonlm.dat.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\PresentationCore.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\ReachFramework.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\WindowsBase.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrusash.dat.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebHeaderCollection.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Forms.Primitives.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-file-l1-2-0.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2ssv.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\icu.md.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\content-types.properties.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipssrb.xml.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XDocument.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Controls.Ribbon.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\WindowsBase.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\et.pak.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Forms.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationFramework.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationClientSideProviders.resources.dll.tmp	772c0ff02cdb44cd7f288ed87f59e1d0N.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	772c0ff02cdb44cd7f288ed87f59e1d0N.exe

C:\Users\Admin\AppData\Local\Temp\772c0ff02cdb44cd7f288ed87f59e1d0N.exe
"C:\Users\Admin\AppData\Local\Temp\772c0ff02cdb44cd7f288ed87f59e1d0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1048

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-1-5-21-1403246978-718555486-3105247137-1000\desktop.ini.tmp

Filesize
48KB

MD5
42d226e6a1ad7fe60f266dd0e3861abd

SHA1
05c3c61ae9892b70fb40273ed72c4f768f64551c

SHA256
c3249ca5b6e26884b7885c1e40fb554128a469ff2684341ff4f25bd59bf3983b

SHA512
f2781d1ea0abdcc9e5960c64e8e6d2804262c534685f147e778b8ecd50e8aa644748a15b230d7d8f74fd8cd9c97f176470fd31a1a79ba16315f91fe036c82c60

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

Filesize
147KB

MD5
4c1084946dfa5b49eec408a642119bfe

SHA1
a57e9e56a82fca2c42002f14a90e47b8fd5fa079

SHA256
69ae37e6b7540cc12bf8603e14ee6a68e757e1da7226cc53896d4d7d4db4f3a6

SHA512
75cb684a25c0b3a46c59f764a3d0c58490207050d99bc97a4964514fa4721118c4a7b02eeddacba4a0c047c5a59f0501d6082364f204a8b96b72a7d1bba3eafd

Download Submit
memory/1048-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1048-1584-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download