947ffad0ac547a5277c60f59b2f63c73a59779852f35655fd43604b86cb4be2c

Analysis

max time kernel
119s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 03:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4abbb8fb29de681e8ab6824c2657dad0N.exe
Size

23KB
MD5

4abbb8fb29de681e8ab6824c2657dad0
SHA1

8a35c4044cee9e0077db2c2b628b13c1082c74ea
SHA256

947ffad0ac547a5277c60f59b2f63c73a59779852f35655fd43604b86cb4be2c
SHA512

412ac8d674205324e7e2705a690fbafe92b040d06ec5be657b246be04e8a274fcef69fbc6898fd1aada1cf7233691879a7a00eaefb900e1d058d49abdb134458
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJcbQbf1Oti1JGBQOOiQJhAT17Xw+EAEE:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJ0

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4668) 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/4940-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233e8-2.dat	upx
behavioral2/files/0x0004000000022916-6.dat	upx
behavioral2/memory/4940-1236-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\ClientCapabilities.json.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Common Files\microsoft shared\VC\msdia90.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msdaprsr.dll.mui.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Drawing.Design.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-ul-oob.xrm-ms.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsid.xml.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Parallel.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Royale.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-environment-l1-1-0.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Grace-ppd.xrm-ms.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-ppd.xrm-ms.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-80.png.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.FileVersionInfo.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\WindowsBase.resources.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\PresentationFramework.resources.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Controls.Ribbon.resources.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Internet Explorer\it-IT\iexplore.exe.mui.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ul-oob.xrm-ms.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\et\msipc.dll.mui.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-namedpipe-l1-1-0.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Office.PowerPivot.ExcelAddIn.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemDrawing.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_OEM_Perp-pl.xrm-ms.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.Authorization.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Common Files\System\ja-JP\wab32res.dll.mui.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\colorimaging.md.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00A1-0409-1000-0000000FF1CE.xml.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\ANALYS32.XLL.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\ReachFramework.resources.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-pl.xrm-ms.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ul-oob.xrm-ms.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Core.NetFX35.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\MICROSOFT.DATA.RECOMMENDATION.COMMON.DLL.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-localization-l1-2-0.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\msdasqlr.dll.mui.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\tzdb.dat.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\sspi_bridge.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Trial-ppd.xrm-ms.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Metadata.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTrial-pl.xrm-ms.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSO.FRAMEPROTOCOLWIN32.DLL.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\vcruntime140.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Common Files\System\uk-UA\wab32res.dll.mui.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\PresentationFramework.resources.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.c.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-locale-l1-1-0.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\loc\AppXManifestLoc.16.en-us.xml.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Input.Manipulations.resources.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.EventLog.Messages.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\hijrah-config-umalqura.properties.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-process-l1-1-0.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial2-pl.xrm-ms.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ul.xrm-ms.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\7-Zip\Lang\lt.txt.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationFramework.resources.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\keytool.exe.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Trial-ul-oob.xrm-ms.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tiptsf.dll.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Trial-ul-oob.xrm-ms.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ORGCINTL.DLL.tmp	4abbb8fb29de681e8ab6824c2657dad0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\InputPersonalization.exe.mui.tmp	4abbb8fb29de681e8ab6824c2657dad0N.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	4abbb8fb29de681e8ab6824c2657dad0N.exe

C:\Users\Admin\AppData\Local\Temp\4abbb8fb29de681e8ab6824c2657dad0N.exe
"C:\Users\Admin\AppData\Local\Temp\4abbb8fb29de681e8ab6824c2657dad0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4940

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-1-5-21-3881032017-2947584075-2120384563-1000\desktop.ini.tmp

Filesize
23KB

MD5
847913a64fb5a8a0c52fa0fdcb9d311f

SHA1
f423fabb659ad44c88ed13c873ab14710264c4f1

SHA256
557e911e8a3486c623f0b0c8beb9347151d79c9969ee2c74de5b0a5ac3f10588

SHA512
9f893a5f1e76f638adf184b4f0bdb17bf7816a5d6f487049a9ec1352fa29103599b99433a29343e2cd70efeae74ca6d77103d2ffe8fb7ea8507d7929a0a15e70

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

Filesize
122KB

MD5
4e219943079f525d19e98dd64538dc44

SHA1
8810c1d52a3444417202239fc78f9fb028ab382d

SHA256
a9148b6440fed251ba7de85caa9d399fadfcb5246ccfc490e4f0e8f055c36f09

SHA512
933f309768b4869219cd39792b9ec9e30163180164a7a348c7126eb517a01253e9eca6e5f3b46bae42ee421a4a1e73b2e3e0e7a3b57153e50eda932469a25ef0

Download Submit
memory/4940-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4940-1236-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download