eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c

Analysis

max time kernel
150s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 05:25

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General

Target

eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
Size

34KB
MD5

81cd2bd6725ec35ecf079fede8cea375
SHA1

0fd62c2ade96f78729967a265c9e0d3d59319b5f
SHA256

eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c
SHA512

919c478dc0835773e99d180ab743743d6700de80da8246c1411f137efdca767ac31979079d3855532ce77ba1ce3b822c5acbc58e8eca2dc8e8a2d1cc8a288ba5
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9lBT37CPKKiUv:CTW7JJ7TdTWx

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5329) 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/1740-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000c000000023450-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/1740-1007-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\COPYRIGHT.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-pl.xrm-ms.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_F_COL.HXK.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TellMeExcel.nrr.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSZIP.DIC.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_Subscription-pl.xrm-ms.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\GRPHFLT\PICTIM32.FLT.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_altgr.xml.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.resources.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\ReachFramework.resources.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Java\jre-1.8\lib\currency.data.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_Grace-ul-oob.xrm-ms.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipRes.dll.mui.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-localization-l1-2-0.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RInt.16.msi.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-180.png.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\ONENOTE\16\Stationery\DESIGNER.ONE.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Violet.xml.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-ppd.xrm-ms.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FilterModule.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSO.FRAMEPROTOCOLWIN32.DLL.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.Calendars.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.Primitives.resources.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-pl.xrm-ms.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql90.xsl.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_logo_small.png.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial-pl.xrm-ms.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-80.png.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Xaml.resources.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationClient.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationCore.resources.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-pl.xrm-ms.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Input.Manipulations.resources.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ReachFramework.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.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	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\CardViewIcon.png.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Cng.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Input.Manipulations.resources.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.resources.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-memory-l1-1-0.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-ul-phn.xrm-ms.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription3-ul-oob.xrm-ms.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Trial-ul-oob.xrm-ms.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.HostIntegration.Connectors.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\sbicuin58_64.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIntegration.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsFormsIntegration.resources.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-pl.xrm-ms.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-80.png.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Permissions.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.scale-180.png.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\DirectWriteForwarder.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationClientSideProviders.resources.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Forms.Design.resources.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\xerces.md.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\centered.dotx.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols.xml.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\PresentationCore.resources.dll.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\kn.pak.tmp	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.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	eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe

C:\Users\Admin\AppData\Local\Temp\eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe
"C:\Users\Admin\AppData\Local\Temp\eb64eadec7e865b276631e6491845b81f13b4ddbc04c284f60b298e1d4fd732c.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1740

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
34KB

MD5
5be2c71cd5a7a4bb63735df034e4579e

SHA1
f7e3ad5d61fb39390997a65568af5057325411da

SHA256
6f5d1b1076ba28ad013d4f1d9c17a74984f2d3279f2fb7c997bd3ab281599bca

SHA512
f69dc3d2677634f3cd9fd3c166958d44277afee9a8465b5477ee472b88eced4a39eb91441f5752a041135fbb02b53cbe286372add3573db4a71f40161c7726fb

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

Filesize
133KB

MD5
1e092ddfdae4334d80f9466e8b492702

SHA1
c6fb3670563a01cae9dc6272df1ebb24f019bf4a

SHA256
b5e794cf2dc155b071ff225d7ed71477ca4f5de8b02c300904de342c76ac79a2

SHA512
ef37148a4715146825fe21f4e7f9d6e1f6c1bf0fa40d085b7cdfcce21e0f355b6306994b1e1cce89bdfbb53b72932f799ba60063a9a4d8d59e6b3e4861fd8eca

Download Submit
memory/1740-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1740-1007-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download