d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d

Analysis

max time kernel
150s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 03:13

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General

Target

d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
Size

27KB
MD5

2e4ef1ab8318762205d152e1179d8622
SHA1

e7432ac530ca072a0d9df6933b460975854ab363
SHA256

d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d
SHA512

28f3dff7dcc1e0ae3eea6b93b27a68b57d253783af634d7e7a0a0735b57f59584f6c49614fc61054679fede9ff60022b3f75b66b4bb25e9b783d925e5e945a47
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJ1Evd5BvhzaM9mSIEvd5BvhzaM9mSsxmMxm9+9vND:kBT37CPKKdJJ1EXBwzEXBwdcMcI91

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5277) 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/544-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023424-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/544-962-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.ProtectedData.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONPPTAddin.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationFramework.resources.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Java\jre-1.8\bin\j2gss.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.PowerBI.AdomdClient.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Input.Manipulations.resources.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationTypes.resources.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-ul.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\7-Zip\Lang\is.txt.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tpcps.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.DriveInfo.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Controls.Ribbon.resources.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\freebxml.md.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription3-ppd.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TellMeWord.nrr.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InkObj.dll.mui.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Java\jre-1.8\lib\jvm.hprof.txt.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OART.DLL.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.Native.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.ZipFile.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Internet Explorer\en-US\iexplore.exe.mui.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\vi\msipc.dll.mui.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Threading.AccessControl.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\PresentationFramework.resources.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ul-oob.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_F_COL.HXK.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-console-l1-2-0.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-errorhandling-l1-1-0.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Grace-ppd.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_Grace-ul-oob.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\oledb32r.dll.mui.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Numerics.Vectors.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemXmlLinq.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.DirectoryServices.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-ul-phn.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\PAPYRUS.TTF.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-ppd.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcp140.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.RuntimeInformation.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_MAK-pl.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ul-oob.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.es-es.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Requests.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ul.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN092.XML.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationTypes.resources.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sv-se.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial2-pl.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Retail-ul-phn.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-ppd.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_COL.HXC.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\oledb32r.dll.mui.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.DiaSymReader.Native.amd64.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-processthreads-l1-1-0.dll.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_Subscription-pl.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Retail-ul-oob.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ul-oob.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-ppd.xrm-ms.tmp	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.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	d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe

C:\Users\Admin\AppData\Local\Temp\d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe
"C:\Users\Admin\AppData\Local\Temp\d1e5f73a8752425bbdaff94952e0fb0b484db9fe9aec01a85b6d377b1825c07d.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:544

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-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

Filesize
27KB

MD5
791ea57d448dc6675d63519f66296eb6

SHA1
0997f503190e4fc77db4a60aadf8bebbbdf332d7

SHA256
1d35cffc090dc2329d31c4faac36da855edc4e759bc28d0e21dba93a41f3ce41

SHA512
7c915980a0711547c2709a7d3c990ca97d424b172641d819105f2bc7c228dc0372251f17739cb81272d8151256046d9bf9ace192a62abfdb04a10de8ec9eb625

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

Filesize
126KB

MD5
13a393015fb7a4f4341206b26395e432

SHA1
7fc515842b41ee8fee8d10317c17780cfb8be4aa

SHA256
5399dc13dc59b41d6aa47a588c074cde56dead6864277417f3cedd0d15e6535e

SHA512
19cc98b1c558a14aebab8ca38065494f97b1200ae617876c814f152920234ae8f3b40419b46786959578a1b411c877e2015707136e2fce179ac9b075733dc9c6

Download Submit
memory/544-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/544-962-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download