57bcdf80a20fb3a5bf814019f5f13faefd21e5e7481c204ae6f3b16e8a0f4132

Analysis

max time kernel
119s
max time network
93s
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, 21:06

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General

Target

8d0143b5fcfb260b6a970037150a6f90N.exe
Size

42KB
MD5

8d0143b5fcfb260b6a970037150a6f90
SHA1

7c0d9c1107f175e1680d26f02185473e16f469ed
SHA256

57bcdf80a20fb3a5bf814019f5f13faefd21e5e7481c204ae6f3b16e8a0f4132
SHA512

c1158f6539dec0861205721e6a50b285b9799fb317155b2e6194675b5e4b426a9180b3f613ecfc65db0a2ba0f0da66e8ad279809da271c6d56beed544d0d6cb0
SSDEEP

768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATNyHF/MF/6m0m+s2BGUG3oxoYM2M11Y:CTW7JJZENTNyl2Sm0mKX

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4649) 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/216-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023479-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/216-895-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\mng2.txt.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ms-my.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\FrequentOfficeUpdateSchedule.xml.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Extensions.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\bwnumbered.dotx.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Core.NetFX35.V7.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\sqlxmlx.rll.mui.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.NETCore.App.runtimeconfig.json.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\WindowsFormsIntegration.resources.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\localedata.jar.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-ul-oob.xrm-ms.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD.HXS.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.AccessControl.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationTypes.resources.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excelcnvpxy.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jli.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Java\jre-1.8\bin\java.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Trial-ul-oob.xrm-ms.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GKPowerPoint.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.scale-180.png.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-interlocked-l1-1-0.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Watcher.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\WindowsFormsIntegration.resources.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial4-ul-oob.xrm-ms.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSS7DATA0009.DLL.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\TPN.txt.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCONTROL.DLL.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\7-Zip\Lang\si.txt.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InputPersonalization.exe.mui.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Http.Json.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encoding.Extensions.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-ul-oob.xrm-ms.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription3-ul-oob.xrm-ms.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-phn.xrm-ms.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSBARCODE.DLL.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\7-Zip\Lang\ga.txt.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui.xml.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-convert-l1-1-0.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.HttpUtility.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ul-phn.xrm-ms.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\ShapeCollector.exe.mui.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javah.exe.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-ppd.xrm-ms.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-pl.xrm-ms.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-140.png.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Java\jre-1.8\lib\content-types.properties.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppvIsvSubsystems32.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfr\profile.jfc.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\sqlxmlx.rll.mui.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Contracts.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Dataflow.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XPath.XDocument.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.FileSystem.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationTypes.resources.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\zlib.md.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Java\jre-1.8\bin\vcruntime140.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Subtle Solids.eftx.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-ppd.xrm-ms.tmp	8d0143b5fcfb260b6a970037150a6f90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Forms.resources.dll.tmp	8d0143b5fcfb260b6a970037150a6f90N.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	8d0143b5fcfb260b6a970037150a6f90N.exe

C:\Users\Admin\AppData\Local\Temp\8d0143b5fcfb260b6a970037150a6f90N.exe
"C:\Users\Admin\AppData\Local\Temp\8d0143b5fcfb260b6a970037150a6f90N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:216

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
43KB

MD5
365ecd252f199a174d83c6386614deb0

SHA1
96c72e9626993f2e4ca6d9c9abe842b4488f23a3

SHA256
5bd970299a502dff45ddc1ea5ade63abc89727648bec778db869806ad39de982

SHA512
178e81a3265491949171ffce241b07f883738dade2e250c511844bc9205e85c533c739cf4e01dc4d8c4f49cdb564cae871e5a21fc5c402ce65bec3717e37eafd

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

Filesize
141KB

MD5
79feef4c3f7368361c65ae1c915d7090

SHA1
ea2c71aad59059b003ea59db5bb82ca432ae3022

SHA256
2fa2d2192df37ccf763db4b11ba0a2128ab685eb5b61ede1301d839f5d8546d6

SHA512
944042f16bfa2898b36b4528782cd9845ee116750e87b0481fb2339df6e1aa71475daf08b54a34fcb93fd92a569c6c6667801a1a2f463fb713d872ad5aee2f0a

Download Submit
memory/216-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/216-895-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download