e84a1e04e8b2ac0833eb88e5587bc84fdc97d198c869efca3dffe51a4ddde985

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 06:19

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General

Target

67972c019e05cded1ffcc339f4d383b0N.exe
Size

54KB
MD5

67972c019e05cded1ffcc339f4d383b0
SHA1

62307f2a3db8315c1f633aadb9813950146797ba
SHA256

e84a1e04e8b2ac0833eb88e5587bc84fdc97d198c869efca3dffe51a4ddde985
SHA512

6fad5cb42864987d6065acf98f5683d12beda5bca72b0d311fd11f1f00a2086f222a59a299bd4ca990050b9f91754e5c2a9089b6fcd8a79c50e932a3a952b1c8
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rb:V7Zf/FAxTWtnv

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4657) 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/3476-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002347a-2.dat	upx
behavioral2/files/0x000900000001e818-6.dat	upx
behavioral2/memory/3476-1960-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\CLICK.WAV.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.Common.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.Extensions.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red Violet.xml.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC.HXS.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-process-l1-1-0.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-black_scale-140.png.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\am.pak.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_pt_BR.properties.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-phn.xrm-ms.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription1-pl.xrm-ms.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Gothic-Palatino Linotype.xml.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.wordmui.msi.16.en-us.xml.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\Content.xml.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.VisualElementsManifest.xml.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-profile-l1-1-0.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.Design.resources.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-pl.xrm-ms.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GKExcel.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pidgenx.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Common Files\System\msadc\msdaprst.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\WindowsFormsIntegration.resources.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationTypes.resources.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_KMS_Client-ul.xrm-ms.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TellMeWord.nrr.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\ReachFramework.resources.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\FileSystemMetadata.xml.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0409-1000-0000000FF1CE.xml.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\de.pak.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jli.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Grace-ul-oob.xrm-ms.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\mshwLatin.dll.mui.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\he-IL\tipresx.dll.mui.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Royale.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-convert-l1-1-0.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationTypes.resources.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_KMS_Client-ul.xrm-ms.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME.txt.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Edm.NetFX35.V7.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-ul-oob.xrm-ms.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\VVIEWRES.DLL.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Common Files\System\msadc\adcjavas.inc.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Java\jdk-1.8\javafx-src.zip.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\thaidict.md.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Initialization.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig.companion.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-heap-l1-1-0.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\WindowsFormsIntegration.resources.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\server\classes.jsa.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-pl.xrm-ms.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tr-TR\tipresx.dll.mui.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationClientSideProviders.resources.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\WindowsFormsIntegration.resources.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	67972c019e05cded1ffcc339f4d383b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsnor.xml.tmp	67972c019e05cded1ffcc339f4d383b0N.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	67972c019e05cded1ffcc339f4d383b0N.exe

C:\Users\Admin\AppData\Local\Temp\67972c019e05cded1ffcc339f4d383b0N.exe
"C:\Users\Admin\AppData\Local\Temp\67972c019e05cded1ffcc339f4d383b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3476

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-1-5-21-113082768-653872390-2867000172-1000\desktop.ini.tmp

Filesize
55KB

MD5
e82b4ba26a194fd098a8a0412e619aa7

SHA1
7ef5b8f8c04876e59f5252263f9ae429d07ee0ee

SHA256
28ad27f365210e2854fc2dbe3c85f48cbd918660faf582208e8f403f2a78383b

SHA512
afd580c61d87359320063dd5943507d22d829f6b5cd3e3b37972ffba68550c1d051f76dcd42f2774a5934a07cca181e07265efd98ada144c738d73a94f053707

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

Filesize
153KB

MD5
4ccc8127e3da4baab7a2cdca1a29e040

SHA1
5d8bc458867efcaf9dd80ae98ca0b671b35dd39c

SHA256
8392d1d19aa6f6f61655350d2358cf94ae5defda8bbe0716a3ea4d85b2a17056

SHA512
9347c0846cec2ac808896a64dabc75101e9865d8e067550b2460411a5286cf5ee1a62ac7c246bd75ffe35e38ce753c689cc121f4f100f3ccdd4115b00d467007

Download Submit
memory/3476-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3476-1960-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download