43b07052d2fc62f3174c1a819bf00666c4a4a6a5f8b069c1cc11a70d85360daf

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
04-09-2024 21:24

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General

Target

858da43736fc1ec0ce87c0072af030c0N.exe
Size

52KB
MD5

858da43736fc1ec0ce87c0072af030c0
SHA1

bd326794db082f00dc8c700b538747709c640bb9
SHA256

43b07052d2fc62f3174c1a819bf00666c4a4a6a5f8b069c1cc11a70d85360daf
SHA512

8531fab9619da8273b4f0cd1e72b5f227f125ac0548806d649acdb3aa5890bccb3ade4b12d8616a968d9ce55616c96562e7db5032766f3eccbf08d0c59ebdcf5
SSDEEP

768:W7BlpppARFbhHFoqAJwBqAJw1VyjVy/VeSFgZg6:W7ZppApyVyjVy/ESFgZg6

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4656) 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\mscorrc.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremDemoR_BypassTrial365-ppd.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTrial-pl.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemuiset.msi.16.en-us.xml.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-pl.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-ul-oob.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ul-phn.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationClientSideProviders.resources.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationProvider.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Input.Manipulations.resources.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsFormsIntegration.resources.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jp2ssv.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Windows.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Security.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Timer.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_fr.properties.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xerces.md.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.es-es.xml.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-ppd.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-pl.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PowerPointNaiveBayesCommandRanker.txt.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange Red.xml.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\7-Zip\Lang\th.txt.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tipresx.dll.mui.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-heap-l1-1-0.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\dtplugin\deployJava1.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-ul-oob.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ul-oob.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL.HXS.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\dotnet\host\fxr\8.0.2\hostfxr.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.ZipFile.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clrjit.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Gallery.thmx.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-pl.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Retail-pl.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Emit.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-oob.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Grace-ul-oob.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\OFFICE.DLL.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\.version.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationCore.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.exe.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jmc.txt.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Trial-ppd.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription2-ppd.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-ppd.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\kinit.exe.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME.txt.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-pl.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ppd.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationCore.resources.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\cmm\CIEXYZ.pf.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial4-ul-oob.xrm-ms.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART6.BDR.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\APPLAUSE.WAV.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe.manifest.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.bg-bg.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jsdt.dll.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages.properties.tmp	858da43736fc1ec0ce87c0072af030c0N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win8.mp4.tmp	858da43736fc1ec0ce87c0072af030c0N.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	858da43736fc1ec0ce87c0072af030c0N.exe

C:\Users\Admin\AppData\Local\Temp\858da43736fc1ec0ce87c0072af030c0N.exe
"C:\Users\Admin\AppData\Local\Temp\858da43736fc1ec0ce87c0072af030c0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1460

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
53KB

MD5
dce4f59d1d1fcef27260f839992fbe0f

SHA1
0ee28b5794c54c80a0beb3edc6afedcdcffb64d4

SHA256
f1513660e6fbad913c5465a50cdc5f8b4e0fefa4f2f04024e23fe52bf97fedce

SHA512
cf9a8c2dc70dbe748573ce6bb2746ce1810ed3715723c9d36aa328a5b373f10ee5bcbfdfa9e24d5836ab7f3be3f7c7e9838b76c93485bc0ff5095b6920f8714b

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

Filesize
152KB

MD5
a03f06bedfbb7c188f5baa010c8dbb18

SHA1
3f4b8385f724be0ea527ec5584bf420ce36f0dfa

SHA256
b520939cb18e745643c0b3fc28075fa5d16c02eda506a968d4b56481f16ccbc4

SHA512
f945c940139e5a04c477dea6b20a8bd342f0b789d80c708793f9ef4d3814b6a8eff2cb60a596f50f3d3f947059a28d0195d7fc48bf38f25a992bc2e0c90a08e1

Download Submit