55b4b82d0551294860d15d9d5d0e15d39a68e55d99ea5af5f0ec78aface3b8f0

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 04:07

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General

Target

c3c0c60febb94acb94c8315d27f60c50N.exe
Size

34KB
MD5

c3c0c60febb94acb94c8315d27f60c50
SHA1

60e3a49cabf4f53b8c181189e3ad6d567d791009
SHA256

55b4b82d0551294860d15d9d5d0e15d39a68e55d99ea5af5f0ec78aface3b8f0
SHA512

9ee27bb9948b794f23b9a5b79946905b5f4fe53a6f06346e17899c134e4233cb435035b5baa84f3a0bb4cc022ef1312c4b714aaff077d7c4abed0fffd7ec11fc
SSDEEP

768:kBT37CPKKdJJBZBZaOAOIB3jM2jMO/7OS1So:CTW7JJB7LD2I2IbS1So

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4659) 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/2260-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000900000002344c-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/2260-1019-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\bin\dt_socket.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.NetworkInformation.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ppd.xrm-ms.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipRes.dll.mui.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Input.Manipulations.resources.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.h.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\npjp2.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Java\jre-1.8\bin\glib-lite.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-180.png.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.PerformanceCounter.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationCore.resources.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\public_suffix.md.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.shared.Office.x-none.msi.16.x-none.xml.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessDemoR_BypassTrial365-ppd.xrm-ms.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-pl.xrm-ms.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVCatalog.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-MX\tipresx.dll.mui.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Overlapped.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationUI.resources.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-console-l1-2-0.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Client\vcruntime140.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-pl.xrm-ms.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.exe.sig.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\keytool.exe.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\mlib_image.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\LINEAR_RGB.pf.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.common.16.xml.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONENGINE.DLL.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msxactps.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Classic.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\rmic.exe.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Riblet.eftx.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\otkloadr_x64.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msvcp120.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\7-Zip\Lang\he.txt.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.Extensions.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ospintl.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-80.png.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.DiagnosticSource.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Parallel.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.DirectoryServices.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-pl.xrm-ms.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientLangPack2019_eula.txt.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.Win32.Primitives.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Internet Explorer\fr-FR\ieinstal.exe.mui.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Gill Sans MT.xml.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ul-oob.xrm-ms.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Grace-ppd.xrm-ms.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\STSLISTI.DLL.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Excel.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Design.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0409-1000-0000000FF1CE.xml.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-ppd.xrm-ms.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ppd.xrm-ms.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationFramework.resources.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Xaml.resources.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00A1-0000-1000-0000000FF1CE.xml.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-ul-oob.xrm-ms.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ppd.xrm-ms.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_KMS_Client-ul.xrm-ms.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-ppd.xrm-ms.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOSTYLE.DLL.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\WindowsBase.resources.dll.tmp	c3c0c60febb94acb94c8315d27f60c50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ul-phn.xrm-ms.tmp	c3c0c60febb94acb94c8315d27f60c50N.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	c3c0c60febb94acb94c8315d27f60c50N.exe

C:\Users\Admin\AppData\Local\Temp\c3c0c60febb94acb94c8315d27f60c50N.exe
"C:\Users\Admin\AppData\Local\Temp\c3c0c60febb94acb94c8315d27f60c50N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2260

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-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp

Filesize
34KB

MD5
d71d5b9fb5e4e3aab38db6e3412e8cab

SHA1
376ff62fe86a1afcfc965ee88e1d5f719e3dfcff

SHA256
b10e10b863889bb8e5c6b3cc4a1e5cb1213df7d81d86096fd013bfe628513d0a

SHA512
9f1bc26e27ca62c2d10bbb12e1854a2f41e9bea7ab30bb55037978f7f62bf445248ec26acec73c1890a4823251082fcfbf104e2c80b82d3d2bd22c9859ec4375

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

Filesize
133KB

MD5
f38b46498035bd0fa650faa9d7d6baec

SHA1
8a1e9bbd55ba6dbb5c53e050724aacfa723a0a5e

SHA256
898c3c93d646ab15b10c6afa04808f836d2a0c29bf6816c2440de082745d3317

SHA512
8e099b98cff789442d06e9e60d93b744bb4cb046505df2406daba4e053a40bd3e966e1c6a71816f30bf0d6f04050a100c54aaa5c4a05874e28ed05ddea3109a1

Download Submit
memory/2260-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2260-1019-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download