4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648

Analysis

max time kernel
120s
max time network
91s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 06:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
Size

49KB
MD5

759939055cbb45e422cdc30fff666980
SHA1

524dde338058db9a6f0079e2b81a0d71b56e88a8
SHA256

4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648
SHA512

e334f9b28838146379a37cdd4f1c8966615f8256a531ab8409b626cbb14bdb6052639b1aed2f9943e43b240ac34b0ab868c162e06d57d16f204c0f96e3f72cf5
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeinMds:CTWUnMdyGdy4AnAJYq8YqiXQ

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4655) 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/3572-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0008000000023506-2.dat	upx
behavioral2/files/0x0014000000022913-6.dat	upx
behavioral2/memory/3572-899-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightItalic.ttf.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\zh-CN\msipc.dll.mui.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-pl.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.resources.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationTypes.resources.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemui.msi.16.en-us.xml.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-ppd.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ul-phn.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ReachFramework.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-ul-oob.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-100.png.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ul-oob.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-pl.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\hi\msipc.dll.mui.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\host\fxr\6.0.27\hostfxr.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\ucrtbase.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ul-phn.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-ppd.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART10.BDR.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Algorithms.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Forms.Primitives.resources.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Internet Explorer\de-DE\ieinstal.exe.mui.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\cryptix.md.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-pl.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ul-phn.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\InkObj.dll.mui.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\pt-PT\tipresx.dll.mui.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.DiaSymReader.Native.amd64.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.ReaderWriter.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jawt.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OART.DLL.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Common Files\System\msadc\adcjavas.inc.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationClientSideProviders.resources.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\lcms.md.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ul-phn.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_F_COL.HXK.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jopt-simple.md.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\pkcs11cryptotoken.md.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Java\jre-1.8\lib\management\snmp.acl.template.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-convert-l1-1-0.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.DataIntegration.FuzzyMatchingCommon.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrcommonlm.dat.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-pl.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ul-oob.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\+NewSQLServerConnection.odc.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.ReportingServices.QueryDesigners.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.pt-br.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.TraceSource.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.VisualBasic.Core.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2ssv.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Input.Manipulations.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationTypes.dll.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\splash.gif.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ul-phn.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\libpng.md.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ul.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp4-ppd.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription-pl.xrm-ms.tmp	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.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	4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe

C:\Users\Admin\AppData\Local\Temp\4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe
"C:\Users\Admin\AppData\Local\Temp\4e50b77d29c2599e210879ba49eb34ff9528d8630e5b9954b4f46f97c7fb0648N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3572

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
49KB

MD5
7f5703e46c77793851a2c7a48185c6ac

SHA1
0403480d1bdc5252db4b00d08494dbe3534bfe59

SHA256
b6c9ef116c4f3ae9c23847299aa740196d354468b801bec1bfcea4e30e9250b1

SHA512
4c422ecd4d9003fb0884a4decbf89e1736cdf9e3aecad45b116e4c469f66dece056f78944801ad984c58de265957231a30c3100eec66ab5e910ffc527783dbeb

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

Filesize
148KB

MD5
14e69d6c30349b841f60bfb5ef00498f

SHA1
d63eb5e245043f05166cfec8b2ac5abe1087c228

SHA256
260879cb8625de199c4d386c949a8df17ac56afef479be8dee2be3b47fe9f7b2

SHA512
63d88ff05a2be96e25bf31fcf174427aed546b18b04ec042d66d1c2c99d5a110c7800046a613f7e436d77c4a49740ce69ed40fcdfa110c060c298763fcca6368

Download Submit
memory/3572-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3572-899-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download