1989f488098ff0cb88a55f7e0405ef2c5d985a3ff0f2f10c2db2568fced5d830

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/08/2024, 17:38

Sharing

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General

Target

b88fceb4d6737aa3c7f4e91aaf879810N.exe
Size

103KB
MD5

b88fceb4d6737aa3c7f4e91aaf879810
SHA1

f27ecbc8dd359daa56980f7060f3fc3373af7581
SHA256

1989f488098ff0cb88a55f7e0405ef2c5d985a3ff0f2f10c2db2568fced5d830
SHA512

615394de05259790d7ef8ad70c49fb83b724bbc7462ad18689c88164ab07b22665c25cf879ab90852930d03002cc55b77ffbb15e7473515b974a9eb59c10d64a
SSDEEP

3072:6pWpUFpEhLfyBtPf50FWkFpPDze/qFsxEhLfyBtPf50FWkFpPDze/qFslEhLfyBL:PqFF2Ie+efsim24

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4469) 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\VisioPro2019R_OEM_Perp-ul-phn.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationProvider.resources.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\Microsoft.VisualBasic.Forms.resources.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ul-oob.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymk.ttf.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\concrt140.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\PresentationUI.resources.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xalan.md.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationTypes.resources.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-pl.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-pl.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledb32r.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Input.Manipulations.resources.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_COL.HXC.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationCore.resources.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ul-phn.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationProvider.resources.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ConsumerSub_Bypass30-ul-oob.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-ul-phn.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-pl.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\7-Zip\7z.sfx.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationTypes.resources.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationClientSideProviders.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTest-pl.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebClient.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCallbacks.h.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-pl.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\Microsoft.VisualBasic.Forms.resources.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationUI.resources.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11cryptotoken.md.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EntityPickerIntl.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_f4\FA000000005.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsptg.xml.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\oledb32r.dll.mui.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-synch-l1-1-0.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ul-phn.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_BypassTrial180-ul-oob.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ppd.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ul-oob.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.cs-cz.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.resources.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jsound.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\ClientEventLogMessages.man.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MsoAriaCApiWrapper.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.Interfaces.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordbi.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\currency.data.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ul-phn.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\PresentationUI.resources.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL.HXS.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\EXCELPLUGINSHELL.DLL.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebProxy.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Design.Editors.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-pl.xrm-ms.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationTypes.resources.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\public_suffix.md.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationClientSideProviders.resources.dll.tmp	b88fceb4d6737aa3c7f4e91aaf879810N.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	b88fceb4d6737aa3c7f4e91aaf879810N.exe

C:\Users\Admin\AppData\Local\Temp\b88fceb4d6737aa3c7f4e91aaf879810N.exe
"C:\Users\Admin\AppData\Local\Temp\b88fceb4d6737aa3c7f4e91aaf879810N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:448

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-1-5-21-656926755-4116854191-210765258-1000\desktop.ini.tmp

Filesize
104KB

MD5
7411e6704e8ed8a9941dbf97c59b2a5b

SHA1
dbaa155ad8d9ddb9a80b5775d518c5266deca76e

SHA256
7e8ab23cff99e84d0e941fb2fae336893fa28a704c772ce275d0dc3c09b2312b

SHA512
5eb8bf1f4d0568338c5b0850d7b874aa2021a7fe49e70340ca9adab07d5ef65ae706a5ce33c17ae1386a00d36347984707aaaa402388457c811a99702240db49

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

Filesize
202KB

MD5
477489955c914e919e6add245816f32e

SHA1
72b720852bf61cd0915925d124a10c1f02a4b073

SHA256
126e3a0e4605e13f85cd7b82f94e1872f9593aa23c19db0038298e32f4dd0696

SHA512
269401c7bebed46f1494976b2ea411829524671fe62e679a53e842d2ee10f40ac5c094fa2d77538e9354f22b1e10af41f2d96b30b89ef35febb0175a16c40780

Download Submit