ea864526b84024808df0a4e3a2278ebb9ddb3db3a7529622137ed50904c019ef

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/08/2024, 09:30

Sharing

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General

Target

8cfefc9e85c8d52ed1c89d386cad38f0N.exe
Size

56KB
MD5

8cfefc9e85c8d52ed1c89d386cad38f0
SHA1

98ec9e17e59878f734c5940208ee802ea1d07827
SHA256

ea864526b84024808df0a4e3a2278ebb9ddb3db3a7529622137ed50904c019ef
SHA512

0c09a5bac533353c3bc1491cfd222fe48591624d3c41174ee378c77e0a07eff3277e11845644554e65299d6e1f3c1a4e9711cb8837f3e9c502df10e295cbcaad
SSDEEP

1536:W7ZhA7pApt9uw1vo6YEBWqQA/QZl5LenTpnDr5LenTpnDh5T:6e7WpHusA6YEsq5An5T

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4649) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encodings.Web.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\System.Spatial.NetFX35.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\7-Zip\Lang\sw.txt.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\vcruntime140_cor3.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\tracedefinition130.xml.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ro\msipc.dll.mui.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSWORD.OLB.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Common Files\System\msadc\msdaprst.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Requests.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Primitives.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jmap.exe.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-heap-l1-1-0.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\vi\msipc.dll.mui.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-string-l1-1-0.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XPath.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\af.pak.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\zipfs.jar.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Gothic-Palatino Linotype.xml.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win8.mp4.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-pl.xrm-ms.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_PrepidBypass-ul-oob.xrm-ms.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Principal.Windows.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l1-1-0.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\awt.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_OEM_Perp-ul-oob.xrm-ms.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_K_COL.HXK.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Spatial.NetFX35.V7.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\oskclearuibase.xml.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\ja-JP\msinfo32.exe.mui.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationFramework.resources.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Input.Manipulations.resources.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationProvider.resources.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\CT_ROOTS.XML.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\7-Zip\Lang\be.txt.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.el-gr.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-processthreads-l1-1-1.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\klist.exe.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow.xml.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_MAK_AE-ppd.xrm-ms.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Channels.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemXmlLinq.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\FindPublish.ico.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.Common.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Requests.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_KMS_Client-ppd.xrm-ms.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\FrequentOfficeUpdateSchedule.xml.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\oskmenubase.xml.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Specialized.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Printing.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationFramework.resources.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationClientSideProviders.resources.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\icu.md.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri Light-Constantia.xml.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial-ppd.xrm-ms.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-ppd.xrm-ms.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-pl.xrm-ms.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\TabIpsps.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Numerics.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\Common Files\System\ado\msadomd.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.Unsafe.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Luna.dll.tmp	8cfefc9e85c8d52ed1c89d386cad38f0N.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	8cfefc9e85c8d52ed1c89d386cad38f0N.exe

C:\Users\Admin\AppData\Local\Temp\8cfefc9e85c8d52ed1c89d386cad38f0N.exe
"C:\Users\Admin\AppData\Local\Temp\8cfefc9e85c8d52ed1c89d386cad38f0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:8

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-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
56KB

MD5
4e1d8dde43d25437ca32a5c476244b7e

SHA1
20bb4dbb1a2f0121d72d71910ac8ab63b0e6f2c5

SHA256
58b9aba19e2c5e2b50cb91f75a87042b396bfb56796ab4cd429478a37fcdb391

SHA512
1452209b771a6909aa7c157fe5e93169b666a1f29a08a79fc3d0033c249b39c1eb8b12ca2c759c3f1559fa291ece4e0e446fcf6efd7b754b5c21aaa3222382fa

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

Filesize
155KB

MD5
ef24782be241e2933fff6aac5943fef9

SHA1
67af706e3e4154eb9982bd78bf386ebcea35ba31

SHA256
27fab1a37d5a56dc2ae0b34decc821ccd8c4398f8ff41e492e005b101feac505

SHA512
0ba69f90db883c055753e4547548fc9e7ea94e78712a5d447e018e78c6ed4fa426b833daf007b5b9fb45b78f8f17121bf85d1e4f9a7b6dd62efcb9ffc820fe46

Download Submit