20a06104a3e367e4fbb2b66bde19bbdf66d1cc2266e6b5dbbe25f81704f7cb1c

Analysis

max time kernel
120s
max time network
106s
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, 12:36

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General

Target

f36a56efe70f88cbb0b0a623ee672f10N.exe
Size

38KB
MD5

f36a56efe70f88cbb0b0a623ee672f10
SHA1

1c0ee4b4db990524037fb7f05b23ef62d6493f04
SHA256

20a06104a3e367e4fbb2b66bde19bbdf66d1cc2266e6b5dbbe25f81704f7cb1c
SHA512

7121d57c94f91e6f05810ef6cf5ef0df4c883a09bf98360a7d7496de78a6bc3411a03f86fad4380d107a91e904e101c575ebfb97345004e3bcadb612284c8cd6
SSDEEP

192:tACUADIY0Br5xjL/nznlAgAQmP1oynLb22vtI0zWXPX3Hz2HzuAJfSl:GBt7Br5xjL7lAgA71Fbhvt3hy

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4671) 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\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-pl.xrm-ms.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-pl.xrm-ms.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.Common.v4.0.Utilities.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.NETCore.App.deps.json.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Xaml.resources.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\WindowsFormsIntegration.resources.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Java\jre-1.8\bin\resource.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0018-0409-1000-0000000FF1CE.xml.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert.xml.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\mshwgst.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.MemoryMappedFiles.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.DataContractSerialization.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.JavaScript.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linesdistinctive.dotx.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Uri.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.NameResolution.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Retail-ul-phn.xrm-ms.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ul-oob.xrm-ms.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Trial-pl.xrm-ms.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\ZeroByteFile.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FilterModule.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\IVY.DLL.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipssve.xml.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\de-DE\msinfo32.exe.mui.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.IO.Packaging.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\LogoCanary.png.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-ppd.xrm-ms.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-string-l1-1-0.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Configuration\config.xml.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Configuration.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\LogoBeta.png.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\c2rpridslicensefiles_auto.xml.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-phn.xrm-ms.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\fxplugins.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\JAWTAccessBridge-64.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Office 2007 - 2010.xml.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ul-oob.xrm-ms.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-ppd.xrm-ms.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-pl.xrm-ms.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QRYINT32.DLL.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jdwp.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\access-bridge-64.jar.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Java\jre-1.8\lib\tzmappings.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00A1-0000-1000-0000000FF1CE.xml.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-oob.xrm-ms.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.Immutable.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.resources.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\libffi.md.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\eu\msipc.dll.mui.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Metadata.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.ProviderShared.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXC.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\tipresx.dll.mui.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrcommonlm.dat.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Buffers.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.Design.resources.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\LyncVDI_Eula.txt.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\zh-CN\tipresx.dll.mui.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Drawing.dll.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-pl.xrm-ms.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\PROCDB.XLAM.tmp	f36a56efe70f88cbb0b0a623ee672f10N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\zlib.md.tmp	f36a56efe70f88cbb0b0a623ee672f10N.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	f36a56efe70f88cbb0b0a623ee672f10N.exe

C:\Users\Admin\AppData\Local\Temp\f36a56efe70f88cbb0b0a623ee672f10N.exe
"C:\Users\Admin\AppData\Local\Temp\f36a56efe70f88cbb0b0a623ee672f10N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:468

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-1-5-21-2392887640-1187051047-2909758433-1000\desktop.ini.tmp

Filesize
38KB

MD5
713242b5173024df0994ee4373561cb0

SHA1
3cff544fa23937c941dddd67d2a9fdb56f33b7ae

SHA256
47b27d5e57c92aee8d7e3fc9853a556a609cc6bef216a2dc8e083a05cbee1113

SHA512
834e968961ca5cb62e5fe64859ba839b12de5ca4e53bb08e59744a77ec0c2e4f35599be9deae06c4b959d47a08655f51d63b651368de6cfd71503246de486700

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

Filesize
137KB

MD5
8197e80c63e0da89cf9f5f27c7e28dc9

SHA1
3d34a6d00fc38924cfec599ff2027af1ab4780da

SHA256
dcca0117e93d6907f07c0be861a32bb49165a32f5a57a5d395b062cdc1c22b73

SHA512
f5410ceef763a7f4470dabfb6bc2627bafaf549778273b60777e29bb13aaecb34a762df0b92274c87fb598fe05b7954e31e5f761af8673c4fe35bf3fbfb7999a

Download Submit