9adfa22eb46865688c9ec41f5b2ef2657ce130a65eb925a6ff767ed9f8fcf1e7

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2024, 09:21

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General

Target

776cbaf1ef420394866d1d5f592db710N.exe
Size

76KB
MD5

776cbaf1ef420394866d1d5f592db710
SHA1

f63b9350592ba71240bfd30002c6b2e5c7511949
SHA256

9adfa22eb46865688c9ec41f5b2ef2657ce130a65eb925a6ff767ed9f8fcf1e7
SHA512

07aea0d77452e0306f0f1446621f717f91d550f66d7d1fb5500b21accfdd56a0b01bde6ab341ef0aa0906dfcc39e8725db3cf01d2f1204492980717d2848ff6a
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9woOzOuiJfoOzOuiJpBTp:V7Zf/FAxTWoJJ7T4M4TW7JJ7T4Mc

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4645) 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/4788-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023476-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/4788-862-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\rtscom.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\javaws.policy.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.ConnectionUI.Dialog.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\LASER.WAV.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\ShapeCollector.exe.mui.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jfxmedia.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription1-pl.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTest-pl.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\InputPersonalization.exe.mui.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msaddsr.dll.mui.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaremr.dll.mui.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.Design.resources.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\7-Zip\Lang\ca.txt.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordaccore.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.resources.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red Orange.xml.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ppd.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Common Files\System\msadc\msadce.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Xaml.resources.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART12.BDR.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\WindowsFormsIntegration.resources.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.runtimeconfig.json.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Input.Manipulations.resources.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.resources.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Subscription-ul-oob.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\7-Zip\Lang\hr.txt.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\WindowsBase.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jdwpTransport.h.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash.gif.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jp2ssv.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ul-oob.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Formats.Tar.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationClient.resources.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\LICENSE.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-ul-oob.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\Informix.xsl.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\ReachFramework.resources.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\lcms.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcDemoR_BypassTrial365-ppd.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Grace-ppd.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-pl.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\.version.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Grace-ppd.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.JavaScript.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.Primitives.resources.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Java\jre-1.8\lib\cmm\GRAY.pf.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-phn.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-pl.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\7-Zip\Lang\nl.txt.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\PresentationFramework.resources.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\glib.md.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Java\jre-1.8\Welcome.html.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-ul-phn.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-ppd.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-pl.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Dataflow.dll.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Java\jre-1.8\lib\meta-index.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-ppd.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ppd.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ul-oob.xrm-ms.tmp	776cbaf1ef420394866d1d5f592db710N.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	776cbaf1ef420394866d1d5f592db710N.exe

C:\Users\Admin\AppData\Local\Temp\776cbaf1ef420394866d1d5f592db710N.exe
"C:\Users\Admin\AppData\Local\Temp\776cbaf1ef420394866d1d5f592db710N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4788

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
76KB

MD5
97c2a75d8f509e5a0cf4097c4c784963

SHA1
1f2149fdee6812361216b478110a8cb3be269185

SHA256
748867d59ae854e38e8162719687c54b7326cb8d6cd153278eb391bf38d8dd5c

SHA512
b2c5c5ea4cc10f644f640ae9d333f12cb8304ef0dc30154034714a311a983b92dc78ddc5ac81a3b2d233ade53bda16dea1bc07c7795863a4ffeac6cfd1317da3

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

Filesize
175KB

MD5
e198e6bb1094247409e9e4d7fc744805

SHA1
8602cac103b1d0285a7ea214f4bc6fd156a705e9

SHA256
d24f15fa180f86b435ebe312d4b62d6c741127b5f60f1d703bafb5afd75e27f1

SHA512
b40882a51cb1c4b8034e81437c8954093cbf5c213b427e603cfef640de0f4d42ab1c55adf144d338790ec86ea3b156d48638949a9063bddd0fc28e5941dbfca7

Download Submit
memory/4788-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4788-862-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download