bb2abf7812be9c193ef10de19797674e28aa02de1b4aabed9704eb1cba7f2302

Analysis

max time kernel
120s
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
05-09-2024 12:52

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General

Target

66d87519b73101d4e5c612513b31d620N.exe
Size

39KB
MD5

66d87519b73101d4e5c612513b31d620
SHA1

d07ecc90d4f77323956bbdf52a797d25c3cb6c26
SHA256

bb2abf7812be9c193ef10de19797674e28aa02de1b4aabed9704eb1cba7f2302
SHA512

4c5716351705a02fd1e44826d9c3bd69bb3ae177864cc11b69b7207a2e76227a265547cd0d9a1687a1fad89eae09f675bce805974fe19088532ff783a6782f99
SSDEEP

384:GBt7Br5xjL9AgA71Fbhv7bhvo42L5FgAytBpR42L5FgAytBpW/3:W7BlpppARFbhjbhg42LcfpR42LcfpW/3

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4675) 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.WindowsDesktop.App\7.0.16\System.Windows.Forms.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Banded Edge.eftx.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ppd.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_jpn.xml.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationFramework.resources.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_KMS_Client-ul.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-180.png.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationProvider.resources.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ul-oob.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRINTL32.DLL.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\7-Zip\Lang\mk.txt.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ppd.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-file-l2-1-0.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R64.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RIntLoc.en-us.16.msi.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-ppd.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-pl.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linesstylish.dotx.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_COL.HXC.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.ConnectionUI.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Primitives.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\PresentationCore.resources.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationClient.resources.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-ul-oob.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-ppd.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSO.ACL.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_altgr.xml.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationClientSideProviders.resources.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-interlocked-l1-1-0.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Candara.xml.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_Subscription-ul-oob.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ObjectModel.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange Red.xml.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ul-phn.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\bwclassic.dotx.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Trial-ppd.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\PUSH.WAV.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\ShapeCollector.exe.mui.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\Microsoft.VisualBasic.Forms.resources.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationCore.resources.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Forms.Primitives.resources.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\icu.md.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Trial-ul-oob.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000009\FA000000009.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ipcsecproc.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-pl.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Tools.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationCore.resources.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationClient.resources.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\ReachFramework.resources.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Java\jre-1.8\lib\meta-index.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-pl.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ul-oob.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\HidePop.easmx.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri.xml.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-ppd.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.scale-180.png.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Forms.resources.dll.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_EnterpriseSub_Bypass30-ul-oob.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription5-ul-oob.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTrial-ul-oob.xrm-ms.tmp	66d87519b73101d4e5c612513b31d620N.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	66d87519b73101d4e5c612513b31d620N.exe

C:\Users\Admin\AppData\Local\Temp\66d87519b73101d4e5c612513b31d620N.exe
"C:\Users\Admin\AppData\Local\Temp\66d87519b73101d4e5c612513b31d620N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:796

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
39KB

MD5
a7bf28b18328dfaf14ac39858b6e79f9

SHA1
996bdcb76ba57210c9852f952830138b3e42f741

SHA256
75a9b85ef75ba0f09f9aefe000ed30672564e9ab2343f2a22efac1db3ebe1711

SHA512
f82ed7f2f34ed63bda8069b4cb7cc7584ec2b04cf31414326f202409b3dea0393ea0351f087c31aafc774bae36af5cd55ef2bbadcd35b7d8954fbb731e6c0346

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

Filesize
138KB

MD5
5f8ea859cfe91a095d8e0d46728aeeff

SHA1
bb35f50c5204babde7a7b545bfdef9e162ad061e

SHA256
7ed0427a2bbf34fa2a7d0b511c331831b335d2067e1e6d9929f0abd504d83ebe

SHA512
691b7fda1de40f01d64a6ab0e863534be9c63b1585fab71740f572bae08194b2614439fbfcb4c6ba6c539da481937c4aa23410dea2a50cbecd60b6cfc4b69894

Download Submit