508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0d

Analysis

max time kernel
120s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2024, 20:28

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General

Target

508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
Size

58KB
MD5

d63b3e60ca661b88b9ac5449c059de30
SHA1

224bde8c8937c2816208dd867f287f439a5f1653
SHA256

508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0d
SHA512

6f63edb41d1b9c08a6b49eb4fb37f12a30183c6cdf3dd51a049349a064b3bdf36ce500eec165c99375857b1a1f2fb6bdee9fd7e1135a9145ef9dee1087900e54
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcwBcCBcw/tio/tiGJB2JBY:V7Zf/FAxTWoJJ7TTQoQGJB2JBY

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4651) 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/2368-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023470-2.dat	upx
behavioral2/files/0x00040000000228f4-6.dat	upx
behavioral2/memory/2368-874-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Formats.Tar.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationTypes.resources.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\colorimaging.md.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\java.policy.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfr\profile.jfc.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-pl.xrm-ms.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.InteropServices.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jopt-simple.md.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-140.png.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ca\msipc.dll.mui.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-debug-l1-1-0.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_Subscription-ul-oob.xrm-ms.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.StackTrace.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-environment-l1-1-0.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Java\jre-1.8\bin\hprof.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial Black-Arial.xml.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Gill Sans MT.xml.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-100.png.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Primitives.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-white_scale-140.png.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Xaml.resources.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-ppd.xrm-ms.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\pl\msipc.dll.mui.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationClient.resources.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTrial-ul-oob.xrm-ms.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-ul-phn.xrm-ms.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msadcor.dll.mui.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationTypes.resources.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-80.png.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\TYPE.WAV.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Java\jre-1.8\bin\java.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Retail-ul-phn.xrm-ms.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Excel.Extensions.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\Microsoft.VisualBasic.Forms.resources.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ul-oob.xrm-ms.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsar.xml.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Office Theme.thmx.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ul-oob.xrm-ms.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-pl.xrm-ms.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-80.png.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifestLoc.16.en-us.xml.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Java\jre-1.8\lib\currency.data.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientARMRefer_eula.txt.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\TipRes.dll.mui.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Primitives.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Java\jre-1.8\lib\psfont.properties.ja.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Gallery.thmx.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig.companion.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.Primitives.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationClientSideProviders.resources.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\idlj.exe.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\access-bridge-64.jar.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ppd.xrm-ms.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_COL.HXC.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Requests.dll.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-ppd.xrm-ms.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-pl.xrm-ms.tmp	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.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	508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe

C:\Users\Admin\AppData\Local\Temp\508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe
"C:\Users\Admin\AppData\Local\Temp\508d8b6722c509da7497f2e85fb8f6d7b7b0420127f8ee8f884911a7983a1f0dN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2368

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-1-5-21-2392887640-1187051047-2909758433-1000\desktop.ini.tmp

Filesize
59KB

MD5
a5fbd6d5dfd2d70a6cee11c4fb018be1

SHA1
3c488b1a96d67d8e9e207c2140f02472a23860df

SHA256
688ee76d19fd73336801b5b3e66297d725c86d387104bb4ec7cc689aac0c7b7f

SHA512
be9d826cd4b9f940a96c8eabc41f66fb9b96137d267deaf7820f9611e5bd009cb3e5aa8d9c0bef7209aee02b8db48dbe783a333e488a32335ad01ebd10a47422

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

Filesize
157KB

MD5
9003149d80a7acb89657a06b61094838

SHA1
01b3f29f041d9f9bdca26bdfa481a0642dc8267c

SHA256
111409fe404b43be2290a48607f2ba06449f95428d1d1fb441e21bdd338102a5

SHA512
ccb8f2da4d0b26419c17594cf5d9685ae19b78398415b91feddb8f1048d72d848db2c4b82f2724c6381054c353d6a95e9516157502d4998ab807bd1bb2640abe

Download Submit
memory/2368-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2368-874-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download