ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db

Analysis

max time kernel
149s
max time network
135s
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, 05:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
Size

57KB
MD5

69de65780bf077c5ce7745d54ccc7b8d
SHA1

448291d340ce77cea0d2b2a4355817acddf12f7d
SHA256

ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db
SHA512

efad72779d0fee69b47e6eddb97d4ea5f202fe9930754dcea7dd52468a26ffbab43782f7ef527c94768e083f2b08f470ee790142a72d576f55cf6055120e387a
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFIp:CTWn1++PJHJXA/OsIZfzc3/Q8IZTRVP

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5188) 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/1268-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0008000000023468-2.dat	upx
behavioral2/files/0x0014000000022913-6.dat	upx
behavioral2/memory/1268-909-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\Ole DB\msdasqlr.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationClient.resources.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationClient.resources.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\libxslt.md.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Frosted Glass.eftx.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTest-pl.xrm-ms.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\ReachFramework.resources.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-heap-l1-1-0.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_BypassTrial180-ul-oob.xrm-ms.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-ppd.xrm-ms.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXC.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E1-0409-1000-0000000FF1CE.xml.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-ul-phn.xrm-ms.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ppd.xrm-ms.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSIRESOURCES.DLL.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.nb-no.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ro-ro.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Xml.Linq.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.SystemEvents.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-namedpipe-l1-1-0.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Java\jre-1.8\bin\dt_socket.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.OAuth.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-140.png.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-white_scale-100.png.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\rsod\excelmui.msi.16.en-us.boot.tree.dat.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Xaml.resources.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-conio-l1-1-0.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00A1-0409-1000-0000000FF1CE.xml.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN020.XML.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\rsod\osmmui.msi.16.en-us.tree.dat.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\7-Zip\Lang\sq.txt.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.zh-cn.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Data.Common.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Marquee.xml.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-pl.xrm-ms.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\MISTRAL.TTF.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-pl.xrm-ms.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-pl.xrm-ms.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\rsod\osmmui.msi.16.en-us.boot.tree.dat.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\VSTOLoaderUI.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\WindowsBase.resources.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemXml.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\public_suffix.md.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_COL.HXC.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-100.png.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\cardview-checkmark.png.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.ServicePoint.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Algorithms.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Input.Manipulations.resources.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.Lightweight.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Json.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\WindowsFormsIntegration.resources.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessBasic2019_eula.txt.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\manifest.xml.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\Delete.White.png.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hu-hu.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\TabTip.exe.mui.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Web.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\vcruntime140.dll.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-pl.xrm-ms.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC.HXS.tmp	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.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	ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe

C:\Users\Admin\AppData\Local\Temp\ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe
"C:\Users\Admin\AppData\Local\Temp\ff35885c21f2ffb613e45e28b34f6f4db77c9dc0100941b18883a685e01c86db.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1268

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-1-5-21-656926755-4116854191-210765258-1000\desktop.ini.tmp

Filesize
57KB

MD5
cb5043dd43ef96d4379005fceb0bf94f

SHA1
b99b95050870dea03b0c8aa82b073bd4eeb599e0

SHA256
f47132e5fa0579302c15280c3f149715cfe756cf8d2af38eca8aba87a5a0d9db

SHA512
bac95cb25d4a6b632a25d930679587da70a1973f3f27171854ac5a32470a72d814ff43bac6260d8fa6d2ec7dc52ec6c8255e5fa044f3716be263d3246c759b2a

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

Filesize
156KB

MD5
e7312a01b4a973ad833c0ec333abb806

SHA1
ae6c9af785b70a5095673b763333c83b51e949ef

SHA256
5352312b43c7654a1454660f7f7470d4b3466ce273e655a321770e1a22441cc9

SHA512
59442ea169182927daded0eb4f24bcf88a1d37210511a8b56b279d04bd8a6d9492ced6b8dd08161290b3c001bff95415e58f8a931b34d19aa0b21263d5ce99d2

Download Submit
memory/1268-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1268-909-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download