7d8a234f8e1d2dd6fe3ef63e66c40bd2dd4ba2d5e6f4a396e3f87b9e68413dd8

Analysis

max time kernel
119s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 09:26

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General

Target

737b7c06f4b3863ce91098b891584a70N.exe
Size

63KB
MD5

737b7c06f4b3863ce91098b891584a70
SHA1

dbdd00db8b406d5ed0909d48167182c0b2937212
SHA256

7d8a234f8e1d2dd6fe3ef63e66c40bd2dd4ba2d5e6f4a396e3f87b9e68413dd8
SHA512

57ea4580ab26a253e05dc02b7f0737ba8bcfb9102d90c8eaf2d08bf0ab0ca70776457e37e0cfc0aadefd7d6954c6e266a4f6b4980f9307c7f23038e6f1d4579c
SSDEEP

768:W7BlpppARFbhjbhg42LcfpR42LcfpVF/MF/3Nw/Nwk0cEMdV8IEMdV85/EZNaLmq:W7ZppApBULcfpHLcfpX2/Nw/NwmxLTW

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4620) 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\ru\System.Xaml.resources.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jdwp.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-pl.xrm-ms.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\pl-PL\tipresx.dll.mui.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ppd.xrm-ms.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\DataStreamerLibrary.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-180.png.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Principal.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.PerformanceCounter.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\id.pak.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\shaded.dotx.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Gill Sans MT.xml.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntime2019R_PrepidBypass-ul-oob.xrm-ms.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.Win32.Registry.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-string-l1-1-0.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\blacklist.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange Red.xml.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\access-bridge-64.jar.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ul-phn.xrm-ms.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ru.pak.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_LinkDrop32x32.gif.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ul-phn.xrm-ms.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-convert-l1-1-0.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.exe.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu.xml.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcer.dll.mui.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.NonGeneric.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\WindowsFormsIntegration.resources.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationTypes.resources.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ppd.xrm-ms.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Grace-ul-oob.xrm-ms.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-pl.xrm-ms.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\pt-BR\tipresx.dll.mui.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Handles.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.StackTrace.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\ReachFramework.resources.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Office.Interop.Excel.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msdaremr.dll.mui.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-ppd.xrm-ms.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_SubTrial-pl.xrm-ms.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-pl.xrm-ms.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Java\jre-1.8\bin\dt_shmem.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Times New Roman-Arial.xml.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.fr-fr.xml.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ServiceProcess.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Input.Manipulations.resources.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\PresentationUI.resources.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\WindowsBase.resources.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\WindowsBase.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\pl\msipc.dll.mui.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-ul-oob.xrm-ms.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntry2019R_PrepidBypass-ppd.xrm-ms.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.Query.NetFX35.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\ISO690.XSL.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-timezone-l1-1-0.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Forms.Design.resources.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\wpfgfx_cor3.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.dll.tmp	737b7c06f4b3863ce91098b891584a70N.exe
File created	C:\Program Files\Java\jre-1.8\bin\glass.dll.tmp	737b7c06f4b3863ce91098b891584a70N.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	737b7c06f4b3863ce91098b891584a70N.exe

C:\Users\Admin\AppData\Local\Temp\737b7c06f4b3863ce91098b891584a70N.exe
"C:\Users\Admin\AppData\Local\Temp\737b7c06f4b3863ce91098b891584a70N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4848

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-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp

Filesize
64KB

MD5
d30f7a859700f69c73cdc723d7349211

SHA1
3723239d2d87070c1a9df63f2bc1a9acb0277ea2

SHA256
8f87384e295619eb9b3064e44a78be22e7b763ac023d465f601766c5c8176ad9

SHA512
eb8805cecd242924216cf13e785bccdf37281aca6dce807c4ebdb28bd2b847fb82eaeff75deadaf062444deb4c4437d94abf4ba2dbeedac8f26a4376943b0a6d

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

Filesize
163KB

MD5
89f88209d9ecfa4c34c265dee3428b46

SHA1
08423c0b0b5093d974c1992f39da65c127f8bba2

SHA256
847e878ed1bf409f8f16717c2e57e87d9026dadd14e6e5d5da984fb9eb14331c

SHA512
9df9e187db73a216eb38cb8718abda3fa54c6fa872dada19e53f46cf2773aa3c43047ea1515ac7184720e18462dffb21faf9fa9486650c4c5430dfadb3db279f

Download Submit