bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5

Analysis

max time kernel
150s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2024, 04:13

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General

Target

bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
Size

47KB
MD5

b9d5df518661b2f0117d06079eb55078
SHA1

da0e8ae0fddc6614bc1176452a8ce07a4c43949a
SHA256

bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5
SHA512

9294d185e868b280b9f9b9952ef63caf3ee7e8505b1b12e6bb18a24c99edf47a141bcf5780a3eee4a3c0d40df5473fa3ebc1d7fa86d7f908891c66a2c69173fa
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJTU3UQreUYEreUYuM5:V7Zf/FAxTWoJJTU3UQreUvreUO

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4632) 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/2104-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023458-2.dat	upx
behavioral2/files/0x000600000001e5db-6.dat	upx
behavioral2/memory/2104-1604-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\ReachFramework.resources.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-ppd.xrm-ms.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-80.png.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Requests.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.AppContext.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\Microsoft.VisualBasic.Forms.resources.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\WindowsBase.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.X509Certificates.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\hostpolicy.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Quic.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\mr.pak.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntimeR_PrepidBypass-ul-oob.xrm-ms.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-ul-oob.xrm-ms.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ul-oob.xrm-ms.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Xaml.resources.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\cryptix.md.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTrial-ppd.xrm-ms.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ul-oob.xrm-ms.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-140.png.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Input.Manipulations.resources.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationClientSideProviders.resources.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Java\jre-1.8\bin\j2pcsc.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTest-ppd.xrm-ms.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msvcr120.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrenUSlm.dat.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\access-bridge-64.jar.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\LyncBasic_Eula.txt.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\zh-TW\msipc.dll.mui.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.ReaderWriter.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Dataflow.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Http.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Uri.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationUI.resources.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\GrantWrite.dwfx.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.HostIntegration.Connectors.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Requests.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationClientSideProviders.resources.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationCore.resources.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationClientSideProviders.resources.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\7-Zip\Lang\sr-spc.txt.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemDrawing.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-ul-oob.xrm-ms.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TellMeWord.nrr.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hu-HU\tipresx.dll.mui.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Controls.Ribbon.resources.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\VisualElements\SmallLogoCanary.png.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\et\msipc.dll.mui.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\ReachFramework.resources.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\ReachFramework.resources.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jvm.hprof.txt.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DBGHELP.DLL.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.scale-100.png.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\uk-UA\msinfo32.exe.mui.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOLoader.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange Red.xml.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription4-pl.xrm-ms.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE.HXS.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationUI.resources.dll.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
File created	C:\Program Files\ExitExpand.png.tmp	bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe

C:\Users\Admin\AppData\Local\Temp\bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe
"C:\Users\Admin\AppData\Local\Temp\bf2f35d9c41cf81bfd130762458038c9ba9669a9b6ca0bf6464723840109d7d5.exe"
1⤵
- Drops file in Program Files directory
PID:2104

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-1705699165-553239100-4129523827-1000\desktop.ini.tmp

Filesize
47KB

MD5
5cb74f9d25ab473cdd87dcc9c9038997

SHA1
38d3568f2a9d9884634526e9142d77335931c744

SHA256
5acdad386739859ae5301482bef6627152dfbad8167ea7741a770aa489d30c50

SHA512
7bbd0b2886966a8372b7f36abf85796566b528191929406174741e45bf13c7266e51eeb79d755480ba2f81c5b9c5e75514970a7df00f15e4a1ce1fc89f3db910

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

Filesize
146KB

MD5
086b9a3676e285bd6f779ecdd92fc7b4

SHA1
f118c43d44f1725819e9f4dd6123622f157748f1

SHA256
4e790da5a357054f2057d44069dd492114864e914b5a7b6ad58cf4adc37f33c2

SHA512
81ac706fde0b066a81cd0e9f0a614ebe4bb01aab0841cc18396f2cb3ce5f323ff1606492503789102cfabe73a91516dd8979389e1bfa37c6d723d160bae6d911

Download Submit
memory/2104-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2104-1604-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads