6310afeb10243f67d2a82cec0baa4b35420598b0cf9a6c80d28a0fa0499253f0

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
04-09-2024 02:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3f13b07ca0dfb106945e51c6d4d80a50N.exe
Size

65KB
MD5

3f13b07ca0dfb106945e51c6d4d80a50
SHA1

ff9fa288fd3e3e64bd4dfaeaeea073a8b9efa17c
SHA256

6310afeb10243f67d2a82cec0baa4b35420598b0cf9a6c80d28a0fa0499253f0
SHA512

3a1c1bc9b78f54ce08b6cf0e81c1300e64a5e028782941d4b9f5e1f5f63aa6fc1fa02a3a3cb8e330bf9e77455370921d55d032aa80de8d656cab338e287807b8
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFzk:CTWn1++PJHJXA/OsIZfzc3/Q8zxY5Z3t

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4647) 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/4968-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00080000000234c5-2.dat	upx
behavioral2/files/0x000c0000000220a6-6.dat	upx
behavioral2/memory/4968-902-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\ShapeCollector.exe.mui.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XPath.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jdb.exe.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Java\jre-1.8\bin\unpack.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ppd.xrm-ms.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Grace-ppd.xrm-ms.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hu-hu.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-oob.xrm-ms.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.zh-cn.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.c.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ppd.xrm-ms.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.et-ee.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\relaxngom.md.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Aero.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Threading.AccessControl.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\management.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription5-ppd.xrm-ms.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipssrl.xml.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-synch-l1-1-0.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Controls.Ribbon.resources.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ul-phn.xrm-ms.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe.manifest.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.scale-80.png.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui.xml.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.proofing.msi.16.en-us.xml.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ul-oob.xrm-ms.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\splashscreen.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Retrospect.thmx.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-ppd.xrm-ms.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\lv.pak.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.Win32.Registry.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Intrinsics.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\libffi.md.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Trial-ul-oob.xrm-ms.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRLEX.DLL.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Resources.ResourceManager.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationTypes.resources.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Frosted Glass.eftx.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymb.ttf.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\TipRes.dll.mui.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.StackTrace.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Trial-ppd.xrm-ms.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-ppd.xrm-ms.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-console-l1-1-0.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.DiagnosticSource.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Aero.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-ul-oob.xrm-ms.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.NetFX35.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-180.png.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsen.xml.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial2-ppd.xrm-ms.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Grace-ul-oob.xrm-ms.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationTypes.resources.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\content-types.properties.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTrial-pl.xrm-ms.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSQRY32.CHM.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\eu\msipc.dll.mui.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.DataAnnotations.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Pipes.AccessControl.dll.tmp	3f13b07ca0dfb106945e51c6d4d80a50N.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	3f13b07ca0dfb106945e51c6d4d80a50N.exe

C:\Users\Admin\AppData\Local\Temp\3f13b07ca0dfb106945e51c6d4d80a50N.exe
"C:\Users\Admin\AppData\Local\Temp\3f13b07ca0dfb106945e51c6d4d80a50N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4968

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

Filesize
66KB

MD5
f740d1b65c850fb12f8285573ac73d48

SHA1
ed6fed0f3e10758776f96b0cff2f5e0594bdff87

SHA256
5f7c2be0b05af0807d1afd3fe5b22bce77e76e09785b2c26bc3ed6db595f3842

SHA512
851fc617b43cfeae7376218686d7b57520a3f8a090db02a27777caefc18d89481c91d7330db025c872e54568ce8d3f825c501aec04436a04377febef4a85fd27

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

Filesize
164KB

MD5
f31a6048320f2cb736ad891449b575e0

SHA1
6f6db1fdecfba3ad08f8fb77ca4032df49c65dd8

SHA256
abad7434a2b06fa73e2e08d4a25a9119e684ef0f7609f20735863d0f62b935de

SHA512
d11b156fd14dabb4d11d757e52d91d6ca19d5c877bd017d7f03622029b2ec16fd5ba1bcd2291594a093146e322e4a038db4d83bdf73dbe4c568b852d15b7fce5

Download Submit
memory/4968-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4968-902-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download