a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bc

Analysis

max time kernel
120s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/09/2024, 22:05

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General

Target

a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
Size

118KB
MD5

4545503eb05a7fcdcc5511d271a52cc0
SHA1

1a25e0715e2c17f11467ad4b7b2154cea592192d
SHA256

a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bc
SHA512

c05684a861980ec2bd092eaaed787f4ce1eec175051c5fea4b50a4df1e926ab5b195f2987180f14d1fd38246a922b656137398937712e2809a6b16b7785a2af0
SSDEEP

1536:V7Zf/FAxTWtnMdyGdy4AnAJYq8YqRTWUnMdyGdy4AnAJYq8Yq+8C:fnyGnpAekanpAek7

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4222) 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/1844-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002345e-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/1844-756-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Design.resources.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Forms.resources.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_BypassTrial180-ppd.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial2-pl.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ul-oob.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIntegration.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Common Files\System\it-IT\wab32res.dll.mui.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemData.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-ppd.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.AccessControl.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\DATATRANSFORMERWRAPPER.DLL.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001F-0409-1000-0000000FF1CE.xml.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-ppd.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ppd.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Handles.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\ReachFramework.resources.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_K_COL.HXK.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Trial-ul-oob.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\POWERMAPCLASSIFICATION.DLL.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Java\jre-1.8\bin\sspi_bridge.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-ul-oob.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_PrepidBypass-ul-oob.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\officeinventoryagentlogon.xml.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Buffers.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Gothic.xml.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_KMS_Client-ppd.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\client_eula.txt.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hu-HU\tipresx.dll.mui.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\orbd.exe.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\unlimited\US_export_policy.jar.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.VisualElementsManifest.xml.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ul-oob.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\host\fxr\7.0.16\hostfxr.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Controls.Ribbon.resources.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_KMS_Client-ppd.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ul-oob.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ul-oob.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.Linq.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\vcruntime140.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationClient.resources.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Xaml.resources.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ko-KR\tipresx.dll.mui.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.resources.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.resources.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_OEM_Perp-pl.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationProvider.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\flavormap.properties.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0018-0409-1000-0000000FF1CE.xml.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.DispatchProxy.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial5-ppd.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ul.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsyml.ttf.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Common Files\System\ado\msado25.tlb.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Cng.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Formatters.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-pl.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Input.Manipulations.resources.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\WindowsBase.resources.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Controls.Ribbon.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTrial-ul-oob.xrm-ms.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipRes.dll.mui.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.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	a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe

C:\Users\Admin\AppData\Local\Temp\a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe
"C:\Users\Admin\AppData\Local\Temp\a11d9b6d0641a667e7aad74c05a52f725e0463b5c3d668ee35708c84b3a025bcN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1844

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
118KB

MD5
968460b18abb0a1358d447683f12329e

SHA1
c0fe0b71e6bb31011c29be8ed917d176409c7644

SHA256
802a992a96c121bc5de67df5ae2253c1ff0958dd196c8859d59b7912a431e8dc

SHA512
f9ca177fe973d7c7d279603a09a4e0e9788c021ac29f63092125fb25c01a9db4be792dde2de1ada2a7479715884ab63df9529f37eadf5f39b1b8227042397bd9

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

Filesize
217KB

MD5
51d9959564daba0be93dfe9eb2125bb8

SHA1
e7dd3689f0a1d985336fe280b233f2e28eaf7382

SHA256
da617f58336b7c128c693e1e33890abce6e6bbb3ef4b38245d0c588c0b7e4792

SHA512
f24fba3ab2c2a098d3219f2e075f3438e003d2d189a51f9cb252c66cf95111c64b658e3b109ba2a4d8ceee74886a5e89c88523e68ee8bb42e13e74405a5f2053

Download Submit
memory/1844-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1844-756-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download