3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cad

Analysis

max time kernel
120s
max time network
114s
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 06:08

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General

Target

3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
Size

33KB
MD5

d5418c26c58baeeabc96074969c78d40
SHA1

d81f156da4ec2655e89bc4e8ba292c36eb7592ea
SHA256

3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cad
SHA512

5c846dbfc898927e23008aa4a69e9111a8048324b4fff25fb67f56c263a0e6ba30acf1eadd58aa5196efc18d691c90b41e7fb2dd596682a50d62a4cd9342e649
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9Hxkit:CTW7JJ7Tkit

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4704) 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/2144-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233fa-2.dat	upx
behavioral2/files/0x000800000002345d-6.dat	upx
behavioral2/memory/2144-1034-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tipskins.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationProvider.resources.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Classic.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\ReachFramework.resources.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Internet Explorer\images\bing.ico.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jdb.exe.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Grace-ppd.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\Classic.dotx.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.Common.FrontEnd.XmlSerializers.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\blacklist.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\libffi.md.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-conio-l1-1-0.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ul-phn.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ORGCHART.CHM.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-ppd.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_KMS_Client-ul-oob.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\AccessRuntime2019_eula.txt.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationUI.resources.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_ko.properties.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-ul-oob.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription3-ppd.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-ppd.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql120.xsl.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.hash.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationProvider.resources.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jhat.exe.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Java\jre-1.8\lib\amd64\jvm.cfg.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-ppd.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-80.png.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clretwrc.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Numerics.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.resources.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\ffjcext.zip.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Trial-pl.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AppvIsvSubsystems64.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART8.BDR.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Input.Manipulations.resources.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationClientSideProviders.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Banded Edge.eftx.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-pl.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-ul-oob.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Grace-ul-oob.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ul-phn.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ValueTuple.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\WindowsBase.resources.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Java\jre-1.8\bin\msvcp140_1.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_ko.properties.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Threading.AccessControl.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-pl.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-ul-oob.xrm-ms.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Registry.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\wpfgfx_cor3.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHPHN.DAT.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ca\msipc.dll.mui.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\charsets.jar.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\7-Zip\Lang\ps.txt.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\tipresx.dll.mui.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsar.xml.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsen.xml.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationClientSideProviders.resources.dll.tmp	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.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	3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe

C:\Users\Admin\AppData\Local\Temp\3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe
"C:\Users\Admin\AppData\Local\Temp\3a54f9539f7df8286e2495a8756050202b0de907325ae1bffc4b53ed863d4cadN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2144

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-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

Filesize
34KB

MD5
d18bb2f97b57255e7a36cf3eb52e5d00

SHA1
a8db0abd1df4387aefc76b17feac4bb9e80e8990

SHA256
15fd7fcfdb5f2901a31f577a530d3d7b307eb580d219f8e0b565f8448b0b663d

SHA512
78ad525cfd25c328a134203b5d2fd904c9118e5852737254312e421a7d19020661b0219ac981c803b4992f42bd41888e9b88ff51967b2d5229874798ba993e23

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

Filesize
132KB

MD5
de8692d223edf497fb1138d720e6e57b

SHA1
964e76eb864ac6d4f1ad35194a433f1a6e1e2be6

SHA256
8f0fe4bccdbc9e1d26741c804b704d24364fac3daa0baf8b00a613e38e945674

SHA512
921b626237f90bbd14506523b4539175fc70dd8f41c5a2514f5ef67ba68e4ccebce3ca28dbe0bba510f89b799aa880ea810a9c1bc9de0d4e1fb6d8b600eddd26

Download Submit
memory/2144-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2144-1034-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download