cf58e2d123776442a3ffc89dded14a16e42e2f96899637b8acd7426433f7fef6

Analysis

max time kernel
120s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 02:03

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General

Target

874c8ebdad0179c62434c4a545fa9370N.exe
Size

87KB
MD5

874c8ebdad0179c62434c4a545fa9370
SHA1

0a2c9cc9b410b4c2e2fdfa60d3396a4f9dba1f89
SHA256

cf58e2d123776442a3ffc89dded14a16e42e2f96899637b8acd7426433f7fef6
SHA512

0b2c06370fbcf18c20d2bae7c4fa9e357e28345dd1f6714e5ebcb0d06295a41eb3211e3b32feea0e1440f6403e7ea8ce1026b73fbf35c63ec0b69d651ac65c5d
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8wYeHNm5EvD2:fnyiQSodYeHNmkD2

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4544) 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/2972-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023453-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/2972-850-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\AdHocReportingExcelClient.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.resources.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_es.properties.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-pl.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Trial-pl.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-phn.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ul-phn.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\ShapeCollector.exe.mui.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.RegularExpressions.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Input.Manipulations.resources.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ca.pak.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Internet Explorer\ja-JP\iexplore.exe.mui.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-pl.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-ppd.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsFormsIntegration.resources.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessDemoR_BypassTrial365-ppd.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-ul-oob.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\7-Zip\Lang\id.txt.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationUI.resources.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\DocumentFormat.OpenXml.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\TipTsf.dll.mui.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11cryptotoken.md.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-pl.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Trial-pl.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-ppd.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-140.png.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-debug-l1-1-0.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.NonGeneric.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemDrawing.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_Grace-ppd.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Custom.propdesc.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jsdt.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jli.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-utility-l1-1-0.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Garamond.xml.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.CSharp.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\it.pak.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-ul-phn.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-phn.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ppd.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Common Files\System\ado\msador28.tlb.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Input.Manipulations.resources.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymxb.ttf.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\word2013.dotx.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\InputPersonalization.exe.mui.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Common Files\System\ado\msadrh15.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_pt_BR.properties.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial-Times New Roman.xml.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ppd.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.scale-140.png.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msdaprsr.dll.mui.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\WindowsBase.resources.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Java\jre-1.8\bin\dtplugin\npdeployJava1.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-ul-phn.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16EnterpriseVL_Bypass30-ppd.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.PowerBI.AdomdClient.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\7-Zip\Lang\zh-cn.txt.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ValueTuple.dll.tmp	874c8ebdad0179c62434c4a545fa9370N.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	874c8ebdad0179c62434c4a545fa9370N.exe

C:\Users\Admin\AppData\Local\Temp\874c8ebdad0179c62434c4a545fa9370N.exe
"C:\Users\Admin\AppData\Local\Temp\874c8ebdad0179c62434c4a545fa9370N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2972

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
87KB

MD5
dae8951c0e2c6328c169dd498c85c641

SHA1
0a7fd767c2724c8924131c6016098c89b5cf4b12

SHA256
01da51ee99dd9b54308ecb1ce243dfb40113e8691ab2fdcfd88f78138bc05cbf

SHA512
550b78a00dc186bedc419c85dc77be54dcd9dda6b99e3fe04306b01c6c6fcf2ee143896e72a1a93c790b6e8d1442d8ba539f8ad5ee9aaf6dfa88e08dcf5fca29

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

Filesize
186KB

MD5
f07afce68295daadb1945e40c2b5a458

SHA1
804b9a12f12ea784152b0639b8ee317a978e65fc

SHA256
1edce683ce92852788ea60b6013bf1dddcde48516a636b73d59abcc7cfae2bb8

SHA512
2c289b8b416559a20483041f4e60c9f75f38615b26798cd64823622ba642fc9ae74b3cbcf2c8c205b1313f30a4a67189f7bbcca31c40269543866ee0a62cde3d

Download Submit
memory/2972-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2972-850-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download