cff021ccf38040b2fd04ec6171b8921ff4d5719cd3573b2af5da0db86b3aff70

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12/07/2024, 00:02

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General

Target

191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
Size

99KB
MD5

191c0f94443e9c74f8e2b4e78dcf4dd0
SHA1

05b7e2be0e8baa364b3aec2b48aff7ebf662d06c
SHA256

cff021ccf38040b2fd04ec6171b8921ff4d5719cd3573b2af5da0db86b3aff70
SHA512

bfb350ce2ce36a9da8f3253133c1ecb797accce3e94e3f885ba2f013aea5b7d2a53ece49af5817028ce6916d58b5a29bd99472bac953678fc8d939c9fed580c8
SSDEEP

1536:a7ZyqaFAlsr1++PJHJXFAIuZAIuyxX5rQulF6m:enaym3AIuZAIuyxJrQul9

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4616) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3628-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233d9-2.dat	upx
behavioral2/files/0x000c000000022049-6.dat	upx
behavioral2/memory/3628-1846-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\bin\msvcp140.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Grace-ppd.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsyml.ttf.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MINSBPROXY.DLL.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00C1-0000-1000-0000000FF1CE.xml.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Xaml.resources.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART12.BDR.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-black_scale-180.png.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\7-Zip\Lang\lt.txt.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-pl.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_PrepidBypass-ul-oob.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ul-oob.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ko-kr.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Specialized.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GR8GALRY.GRA.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.scale-180.png.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalDemoR_BypassTrial180-ppd.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVScripting.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationUI.resources.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Grace-ul-oob.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-ul-phn.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ro-ro.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcor.dll.mui.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Grace-ul-oob.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsym.ttf.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsBase.resources.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\nb.pak.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-ul-phn.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\javafx_font.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-pl.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav.xml.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\ReachFramework.resources.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-synch-l1-1-0.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-environment-l1-1-0.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ul-oob.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART11.BDR.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\tabskb.dll.mui.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Http.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationClientSideProviders.resources.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\prism_sw.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_OEM_Perp-ppd.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msix.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\kinit.exe.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\ucrtbase.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-pl.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.config.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Forms.resources.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ul-oob.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ul-oob.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Spatial.NetFX35.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_ca.xml.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.DriveInfo.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_es.properties.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-root-bridge-test.xrm-ms.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVManifest.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationProvider.resources.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaTypewriterBold.ttf.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSO.FRAMEPROTOCOLWIN32.DLL.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ucrtbase.dll.tmp	191c0f94443e9c74f8e2b4e78dcf4dd0N.exe

C:\Users\Admin\AppData\Local\Temp\191c0f94443e9c74f8e2b4e78dcf4dd0N.exe
"C:\Users\Admin\AppData\Local\Temp\191c0f94443e9c74f8e2b4e78dcf4dd0N.exe"
1⤵
- Drops file in Program Files directory
PID:3628

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-2650514177-1034912467-4025611726-1000\desktop.ini.tmp

Filesize
100KB

MD5
f00dccb924f798303cb43051d9babded

SHA1
3cb986f5dc004d557716420b481eaf342b3b3859

SHA256
1181fcd0633417b317630a3100c82cbb3e6d3a6e6c425eb6b3dbd996216bd0e2

SHA512
822e871cefa0bdda960eb490457564bea274307c76ac5ec541cfea5a4ec607ff3fae9deae22d33ab12658720c3f57bfed1511996fbdfdd88ba9813cfa19bfcb2

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

Filesize
198KB

MD5
9605c54d9fd53ebb154b98331373c971

SHA1
4608721ba4e41590f6d84d3acac14631a6262422

SHA256
b62c7055634e39e2432049856bcb3cf17050fc1d94627b578cffc18fcae0730d

SHA512
b74957713b46e31bddc3481309e4e905bb2653248a5d2af85cbd217c6a17db578ce622785fa366454d64f68acb9d888f3b80d6c2ebf99cf629dfc2691e3bb97c

Download Submit
memory/3628-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3628-1846-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads