d5874243171e427b6aa816e64fc4f308bc2998fadd2b88b9a31c77280c914ce8

Analysis

max time kernel
120s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/08/2024, 23:08

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General

Target

64fe9b614e00607f713ab6528c390e90N.exe
Size

49KB
MD5

64fe9b614e00607f713ab6528c390e90
SHA1

40b560e9bad434c699e007113dfa94e2366c6ef4
SHA256

d5874243171e427b6aa816e64fc4f308bc2998fadd2b88b9a31c77280c914ce8
SHA512

199fdf70b1788850704087ed10ca1d4f755affd1dde5dd862d3384b1bc3485341f4dfc5c5ff4a7ae0e9712cea7f248d14217bc0238b1001c019c649a4ca7b2df
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFzX:CTWn1++PJHJXA/OsIZfzc3/Q8zx5

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4650) 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/904-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0008000000023452-2.dat	upx
behavioral2/files/0x0014000000022913-6.dat	upx
behavioral2/memory/904-1106-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\pa-in.txt.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msadcer.dll.mui.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\PresentationCore.resources.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Xaml.resources.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Java\jdk-1.8\javafx-src.zip.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHPHN.DAT.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-ppd.xrm-ms.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsptb.xml.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Windows.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\WindowsBase.resources.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Java\jre-1.8\bin\orbd.exe.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\gstreamer.md.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Subscription-pl.xrm-ms.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-ul-phn.xrm-ms.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub2019_eula.txt.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART6.BDR.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-80.png.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\7-Zip\Lang\bg.txt.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\currency.data.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClient.resources.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Input.Manipulations.resources.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Glossy.eftx.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.Primitives.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsFormsIntegration.resources.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Forms.Primitives.resources.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ppd.xrm-ms.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\System.Spatial.NetFX35.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.AccessControl.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Resources.Writer.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sk.pak.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ul-oob.xrm-ms.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linesstylish.dotx.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\kk\msipc.dll.mui.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sk-SK\tipresx.dll.mui.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.HttpListener.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Extensions.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.VisualC.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Security.Permissions.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.Pkcs.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.TypeExtensions.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Handles.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ar.pak.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\+Connect to New Data Source.odc.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\InputPersonalization.exe.mui.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tpcps.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-runtime-l1-1-0.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Xaml.resources.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntry2019R_PrepidBypass-ppd.xrm-ms.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.DiagnosticSource.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Formats.Tar.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Slipstream.xml.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-pl.xrm-ms.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-xstate-l2-1-0.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Dataflow.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_KMS_Client-ppd.xrm-ms.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ppd.xrm-ms.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationClientSideProviders.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\bci.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.SapBwProvider.dll.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrenUSlm.dat.tmp	64fe9b614e00607f713ab6528c390e90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Forms.Design.resources.dll.tmp	64fe9b614e00607f713ab6528c390e90N.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	64fe9b614e00607f713ab6528c390e90N.exe

C:\Users\Admin\AppData\Local\Temp\64fe9b614e00607f713ab6528c390e90N.exe
"C:\Users\Admin\AppData\Local\Temp\64fe9b614e00607f713ab6528c390e90N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:904

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-1-5-21-656926755-4116854191-210765258-1000\desktop.ini.tmp

Filesize
49KB

MD5
62aac4c5c2c22ab0c3fec92be2c7fd31

SHA1
9aa2325a63fa82f59cea6aa6b574026da2eacfc9

SHA256
346e82320365ec1d79ca130b5324088ef1fc83ac084397b80e3bca56cd73524d

SHA512
bde8e1821ae6397ecb46b2a0e64203257f71aa90747e7791198bdf7360c057903331fcbe9034ae18c3bb29c8618dc865c3324d2275114e2821b169028050142b

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

Filesize
148KB

MD5
6567a4810b1e8d4407111589b4f36951

SHA1
d11afb06ac0b5247d5482758363767f5f55a19c9

SHA256
b01af8e9f17345d479adcbb8972849ab1c3e114317be081ce143740c12762038

SHA512
d7210a26bb70322baa3133862396930ec610a55a2d6d6af31567b1aacce295393a3789e174518c5017b928db61b10302d21ae855b911f466b917bd1cb264a4b0

Download Submit
memory/904-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/904-1106-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download