d2f6400288660df463f0915c193579ec5a610927031ed97b47fb764ea216b724

Analysis

max time kernel
120s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/09/2024, 23:26

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General

Target

3d0c7c2e91028f791e675d0aa7deea00N.exe
Size

55KB
MD5

3d0c7c2e91028f791e675d0aa7deea00
SHA1

ecc6c02db5c1359cb1f2a316ff22d38c48eb557c
SHA256

d2f6400288660df463f0915c193579ec5a610927031ed97b47fb764ea216b724
SHA512

a34a4d4c7ef3f4ec0fda218f824737cc3f88342f3dc907fab68cd25669643728767b899f33bb543bcd930cd77dbb49d79b2a27c07d01d6e84b51345075481d69
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFIt:CTWn1++PJHJXA/OsIZfzc3/Q8IZTkoV

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4673) 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/4524-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023424-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/4524-980-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\SIGNUP\install.ins.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\EventSource.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-140.png.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.kk-kz.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Xaml.resources.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\jfxrt.jar.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHLTS.DAT.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\sbicudt53_64.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-pl.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Forms.resources.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Forms.Design.resources.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_TW.properties.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-stdio-l1-1-0.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\idlj.exe.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription5-ul-oob.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH.HXS.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-ul-phn.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Common Files\System\ado\it-IT\msader15.dll.mui.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Algorithms.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-pl.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription3-pl.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\7-Zip\Lang\lt.txt.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrcommonlm.dat.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Classic.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-ppd.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-pl.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-ul-oob.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Office.Interop.Outlook.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.Primitives.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Controls.Ribbon.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationClientSideProviders.resources.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00C1-0409-1000-0000000FF1CE.xml.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-ul-oob.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Dataflow.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.VisualElementsManifest.xml.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Resources\1033\PowerPivotExcelClientAddIn.rll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Java\jre-1.8\bin\bci.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ppd.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-pl.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Common Files\DESIGNER\MSADDNDR.OLB.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clretwrc.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationClientSideProviders.resources.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\hu.pak.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSYUBIN7.DLL.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Reflection.eftx.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-180.png.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7wre_es.dub.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-140.png.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Thread.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\attach.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-ul-phn.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.Common.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsBase.resources.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Primitives.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ppd.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ppd.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTest-ul-oob.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbjvs.inc.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.dll.tmp	3d0c7c2e91028f791e675d0aa7deea00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ul-oob.xrm-ms.tmp	3d0c7c2e91028f791e675d0aa7deea00N.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	3d0c7c2e91028f791e675d0aa7deea00N.exe

C:\Users\Admin\AppData\Local\Temp\3d0c7c2e91028f791e675d0aa7deea00N.exe
"C:\Users\Admin\AppData\Local\Temp\3d0c7c2e91028f791e675d0aa7deea00N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4524

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-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
56KB

MD5
0613200f74533b9e43e1e2826daf7170

SHA1
8c93be12c1969a03c9eb1c562f2be5b53bc5f8b0

SHA256
b4b775dabb7ece3e0efc4851ebcae2efea0d84b0d536f3ebec0ecbfa84766b94

SHA512
1be4973fc1e2708fc08fc829677ba5fafd6cc179cebf1835ac5d92328cf11bbe8770dcd24695f704d096d4896ac7afe14c384ec8b09028a557f3c4cbe0a64a8b

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

Filesize
155KB

MD5
61e24fe5fd53beda2dd557284c09b13b

SHA1
e7b5d0f897ae5f8fde48691fdcbe801c2ad1771b

SHA256
8857a84a0a22b93c17874f16456a3fbb87111d666195109b56f4dcddfbf3b1ab

SHA512
840882a72b6b60c58f997a5f6b0e77f2fc62bcb3e36ff8849e75f7589fbbeae392fd0007eee50a1b43a567728f6ec72273434fd9ec24ff7b5aa523db760580ca

Download Submit
memory/4524-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4524-980-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download