e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 04:47

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General

Target

e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
Size

148KB
MD5

31455c0b1837e06a95963091e90b27b2
SHA1

1f79c72538947efa8429773dc2870678453a1f67
SHA256

e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26
SHA512

3bde3ca600842d11d5e399ba47304c07de1377356b21a4440bf0b6d52a8ca7fce75ca8eceda133ea6f188aa54f391e03fe58b2c2ef664716a5a4fc4ba275a63a
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxviYiaEWY2TWn1++PJHJXA/OsIZfzcE:fnyiQSo4iYiIYmQSo4iYiI4N

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4719) 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/1660-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00040000000228f4-6.dat	upx
behavioral2/files/0x00090000000233bc-2.dat	upx
behavioral2/memory/1660-760-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.Linq.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.ThreadPool.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Numerics.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\WindowsBase.resources.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\server\classes.jsa.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\classlist.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Client\msvcp120.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Document Parts\1033\16\Built-In Building Blocks.dotx.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\7-Zip\7-zip.chm.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\7-Zip\Lang\sr-spc.txt.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msadcer.dll.mui.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.Win32.Registry.AccessControl.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\WindowsFormsIntegration.resources.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\WindowsBase.resources.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationClient.resources.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-ul-oob.xrm-ms.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-ul-oob.xrm-ms.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_K_COL.HXK.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jfr.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifestLoc.16.en-us.xml.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\ReachFramework.resources.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationProvider.resources.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.resources.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-ul-phn.xrm-ms.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Internet Explorer\it-IT\ieinstal.exe.mui.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ppd.xrm-ms.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Trial-pl.xrm-ms.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Xaml.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Extensions\external_extensions.json.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\sbicudt58_64.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Pipes.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash_11-lic.gif.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-phn.xrm-ms.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Parallel.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l2-1-0.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_COL.HXC.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-180.png.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Design.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationProvider.resources.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\7-Zip\7zG.exe.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-localization-l1-2-0.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Java\jre-1.8\lib\tzmappings.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ul-phn.xrm-ms.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\IpsMigrationPlugin.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.Design.resources.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyNoDrop32x32.gif.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_F_COL.HXK.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\msdasqlr.dll.mui.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\sqlxmlx.rll.mui.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Requests.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ServiceProcess.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\DirectWriteForwarder.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Java\jre-1.8\bin\server\jvm.dll.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\santuario.md.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-pl.xrm-ms.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-ul-oob.xrm-ms.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_PrepidBypass-ppd.xrm-ms.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7wre_en.dub.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\sv\msipc.dll.mui.tmp	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.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	e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe

C:\Users\Admin\AppData\Local\Temp\e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe
"C:\Users\Admin\AppData\Local\Temp\e461c88da01ff3ed10dad6ee03f0875051109e9cc41b746809601e77c2a39b26.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1660

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-1-5-21-2392887640-1187051047-2909758433-1000\desktop.ini.tmp

Filesize
149KB

MD5
35921db1cc29002fd3813b107f063a41

SHA1
d895bddf0476efdc2eb626821a7650e20ecd8386

SHA256
8c6d3c2cb7a30ab1bf0d462174cf5450860f2a333848f17e7d0b3ea50027fe6d

SHA512
2e2f1d74ddd1bddfe5d1516543097d185270c3fe89194e698c0bac1bc2d41ca3b05cef8bd23aedb7bc9f462ab85604efd592c36f7d7281871f13a153239fc2ff

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

Filesize
247KB

MD5
c557e82c18c182b2216a7b7564c4791d

SHA1
be9afaaa8f6b0f7e2cf1f3823860bff39f84888c

SHA256
59334c74d9b95aef94412fcb55c89ac8a3b868ecbc7ae0755cce0f30d51a9e5d

SHA512
690f559b54ac4629370a6caaa166aa532d5c22cb712a335f8d1d31263352f7eca2f17548e83f0acd900f1f22cbb9bb74409a76757cef3d565b1a99a2fabfa906

Download Submit
memory/1660-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1660-760-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download