c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56d

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 16:55

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General

Target

c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
Size

54KB
MD5

016d3e10ad62e3de9cc5257d1e5200a0
SHA1

b402af47671fcfdb89703d3392ed45dc0aad7a9e
SHA256

c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56d
SHA512

a1c3dcb70a0a36dc2f40963413fd962ad8fb16d890251bf2cab1c74c68de6aaba5f2285aba43c74f6b90d144545bef9da43f582bac6667c37734e77f38009924
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9KiX:V7Zf/FAxTWoJJ7TgiX

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4658) 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/3292-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023492-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/3292-964-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ta.pak.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\orbd.exe.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\t2k.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\Invite or Link.one.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\LyncBasic_Eula.txt.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-140.png.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msadcor.dll.mui.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Http.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsFormsIntegration.resources.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\public_suffix.md.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Median.xml.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Emit.Lightweight.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Xaml.resources.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-ul-oob.xrm-ms.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_OEM_Perp-ppd.xrm-ms.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\7-Zip\Lang\uk.txt.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.NETCore.App.deps.json.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\vk_swiftshader.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.AccessControl.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\public_suffix_list.dat.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\TITLE.XSL.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-white_scale-80.png.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\ANALYS32.XLL.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ja\msipc.dll.mui.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Common Files\System\ado\msader15.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Contracts.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Java\jre-1.8\lib\cmm\GRAY.pf.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-pl.xrm-ms.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTrial-ul-oob.xrm-ms.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.ReportDesign.Forms.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\he\msipc.dll.mui.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\msquic.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\af.pak.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial4-ul-oob.xrm-ms.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_MAK_AE-pl.xrm-ms.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\shaded.dotx.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-140.png.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\net.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\bcel.md.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-ppd.xrm-ms.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymsl.ttf.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Memory.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationCore.resources.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.EventLog.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-runtime-l1-1-0.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.runtimeconfig.json.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Dynamic.Runtime.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ServiceModel.Web.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ppd.xrm-ms.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_MAK-ul-phn.xrm-ms.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msdaprsr.dll.mui.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Practices.Unity.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.scale-140.png.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-80.png.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationFramework.resources.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Input.Manipulations.dll.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linessimple.dotx.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
File created	C:\Program Files\7-Zip\Lang\el.txt.tmp	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.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	c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe

C:\Users\Admin\AppData\Local\Temp\c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe
"C:\Users\Admin\AppData\Local\Temp\c7f6ad77097999788bc0a6342b20e793601a3fc0e1b2e837612c1e8857e4a56dN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3292

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-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp

Filesize
54KB

MD5
ab444bc5d3c9582083aaca6ce625c464

SHA1
06329f12cb0dbd4a7375009f77c7609f71d805ef

SHA256
69b770c816eafd005572370e4c76291b443b3e9e272f3d8509e0821a2ad8751a

SHA512
205482b2d3de2932fc7fc8a4c031296c1cb3e5390a2b49a25e060cf76200422337f0c787473186d3fa5f38e54acb8dc65d772c4d22a67b954ff8e36e11f32c73

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

Filesize
153KB

MD5
14b1df9b1da1c14a25f4c78198a98b53

SHA1
4d6d95429400d2e34512fcdcb3097a0018c825d6

SHA256
e6b72f9928cce8a1ce8d82dfe65bb8c2f55a513f19dd829523c84c081e1e243f

SHA512
e086a8cc2f94bdaaa753ebb7d5087551b9b61299ce0afa030d36443f60183c680c30b124a1ce54e82fc33ea90bb7a48e5a87b0f36a509330f2d899d445884eaf

Download Submit
memory/3292-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3292-964-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download