f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e

Analysis

max time kernel
149s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/08/2024, 04:56

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General

Target

f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
Size

54KB
MD5

c8fbfb37ef40385b8bff9167cca54a7e
SHA1

f84ae29f7c3192777bf5c7ec39ad91b25d125915
SHA256

f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e
SHA512

bfd1f99d47261810784e2e9dbfab0c95ee14c30ee76896d2bacef412056f4315ddbef316a4301e8745017e27005df3f26986930e9ebb34ff972392fa5378d3a9
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNyIHAJvHAJLMFp:V7Zf/FAxTWoJJZENTNy3p

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5036) 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/2548-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023472-2.dat	upx
behavioral2/files/0x00040000000228de-6.dat	upx
behavioral2/memory/2548-1902-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.scale-180.png.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\sr-Cyrl-RS\msipc.dll.mui.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\ReachFramework.resources.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.IO.Packaging.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-pl.xrm-ms.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\TPN.txt.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN090.XML.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Common Files\System\ado\msado20.tlb.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\mr.pak.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Controls.Ribbon.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationTypes.resources.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_fr.properties.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.DataIntegration.TransformDataByExample.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Thread.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Royale.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\NewCommentRTL.White.png.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Common Files\System\ja-JP\wab32res.dll.mui.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001F-040C-1000-0000000FF1CE.xml.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.TextWriterTraceListener.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSS7DATA0009.DLL.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-ul-oob.xrm-ms.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-pl.xrm-ms.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.reportviewer.winforms.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationUI.resources.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.Reporting.Common.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\mshwLatin.dll.mui.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Extensions\external_extensions.json.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\vk_swiftshader.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\System.Runtime.InteropServices.RuntimeInformation.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL048.XML.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrlatinlm.dat.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.resources.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Java\jre-1.8\lib\logging.properties.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.common.16.xml.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\PresentationUI.resources.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Emit.ILGeneration.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_KMS_Client_AE-ul.xrm-ms.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-time-l1-1-0.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OMRAUT.DLL.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\7-Zip\Uninstall.exe.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Data.DataSetExtensions.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\relaxngdatatype.md.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsdan.xml.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Xaml.resources.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-ul-oob.xrm-ms.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Grace-ul-oob.xrm-ms.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-100.png.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processthreads-l1-1-1.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fa.pak.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-pl.xrm-ms.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial3-ppd.xrm-ms.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-ppd.xrm-ms.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-pl.xrm-ms.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-pl.xrm-ms.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\jawt_md.h.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_KMS_Client-ul.xrm-ms.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsFormsIntegration.resources.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationClientSideProviders.resources.dll.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-pl.xrm-ms.tmp	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.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	f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe

C:\Users\Admin\AppData\Local\Temp\f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe
"C:\Users\Admin\AppData\Local\Temp\f65f3ec0842dbe878837b5ccd01a0405e3164fbb892b258b6a6a0d6910bbbb3e.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2548

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-1-5-21-2718105630-359604950-2820636825-1000\desktop.ini.tmp

Filesize
54KB

MD5
46af0ea599224aea3bed47a73b7f7584

SHA1
c7b966f1f82cb6f415ee12130c4df3670c9529f5

SHA256
b43e49df0b62d11b994ea0626018a951b58c456979bd2abdaf21d545f061e7da

SHA512
4b5cb253132ae395ee4bb1b0085f2e30269be2fcd86d5edc09d9e134b9b160f48f0b63eee76cafc66c3957e1c1d6a4f83e8b5d0ccc95fc4f6737752723cd381c

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

Filesize
153KB

MD5
7cb1a19d4971d9825aeb9a390a742ef0

SHA1
a1eae390284a6e83816e028dc1f74983aee6d29d

SHA256
b9c31df04b7d0ca7e54d49cb6a9fba722473809860e4de35a0d6e4ec3deb54ab

SHA512
a8a2751475d4d720307bdecbd463fa7a9674128fdcb12e26cafe134052a76b324e57f34ee00481a04f22cdbea0d065e364b900bb8c8e8cb718e3bf2cc61af4ba

Download Submit
memory/2548-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2548-1902-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download