f6b76ab9bd65d1edea17f4152427dfb50c69f659f0ec14c11af91f1d5c86ca2c

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 20:50

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General

Target

cc5604c8e91d439c459871963fbadd50N.exe
Size

46KB
MD5

cc5604c8e91d439c459871963fbadd50
SHA1

b604a0438d3d93e5ded3b018365ffdbd7751e5bd
SHA256

f6b76ab9bd65d1edea17f4152427dfb50c69f659f0ec14c11af91f1d5c86ca2c
SHA512

2afaed2bbbf5e3d6bf05a8e553e595179dd86dfe681c034e3c2c51d730d16d711abafe5e103d5e39c6c4acc86bea126fa1e4393ea45fc6989d674a06393c1704
SSDEEP

768:W7BlpppARFbhHFoqAJwBqAJw1VyjVyokB:W7ZppApyVyjVyP

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4674) 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\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.ReportDesign.Forms.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\.version.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jawt.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ppd.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_Subscription-pl.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ul-oob.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-oob.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\MICROSOFT.DATA.RECOMMENDATION.CLIENT.CORE.DLL.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.shared.Office.x-none.msi.16.x-none.xml.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ul-oob.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\CT_ROOTS.XML.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunpkcs11.jar.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\dotnet\LICENSE.txt.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.RegularExpressions.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.NetworkInformation.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jstack.exe.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\msvcp140.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\prism_d3d.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\zlib.md.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntime2019R_PrepidBypass-ul-oob.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-pl.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-ppd.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.Common.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jdwp.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-pl.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_PrepidBypass-ul-oob.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.Primitives.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XDocument.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-ul-oob.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\osknavbase.xml.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaprsr.dll.mui.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-pl.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Xaml.resources.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Java\jre-1.8\bin\fontmanager.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\7-Zip\Lang\tt.txt.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\tabskb.dll.mui.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Xaml.resources.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-pl.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-ppd.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ul-phn.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\msquic.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.Serialization.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jpeg.md.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Grace-ppd.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_OEM_Perp-pl.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLMACRO.CHM.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Timer.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001F-040C-1000-0000000FF1CE.xml.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Trial-ppd.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-180.png.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOARIA.DLL.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.Messages.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_ja.properties.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntryR_PrepidBypass-ul-oob.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ppd.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSS7DATA000C.DLL.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.CompilerServices.Unsafe.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunjce_provider.jar.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-stdio-l1-1-0.dll.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-ul-phn.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.scale-80.png.tmp	cc5604c8e91d439c459871963fbadd50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Threading.AccessControl.dll.tmp	cc5604c8e91d439c459871963fbadd50N.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	cc5604c8e91d439c459871963fbadd50N.exe

C:\Users\Admin\AppData\Local\Temp\cc5604c8e91d439c459871963fbadd50N.exe
"C:\Users\Admin\AppData\Local\Temp\cc5604c8e91d439c459871963fbadd50N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:800

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
46KB

MD5
933666b5a147701569f2650d1e4282ab

SHA1
8f66a9871a180990455044a6206e441bf878b277

SHA256
72fb2facdf25a323102d9d78b825e5ee71a0a56fc1ab90cc266e6346af32928b

SHA512
073bad862952e4b592af651ee89c24a61d778142726276331d7ef4adfb429f9360d0e7521139344126f972556c56f971e7b70d76d5fa356158fa24f43a397484

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

Filesize
145KB

MD5
f88484314cad2822283a8337f24fa05e

SHA1
9ecb227504a0b3246d723d19de738bf7b92f3f3e

SHA256
c4b22eaae460c50ce1950f2b29799c58d8d6b1708c438af7c06f4111cdf1d019

SHA512
c4b17301494e89598b35d4ba6b21c984edbd8767c368943f7cf435f997385039bba94d201d278e4f094520e56baf7b19f28c62b468d272769780d6a36722868c

Download Submit