cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 05:13

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General

Target

cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
Size

126KB
MD5

4a0261226867086aff15e8561f6a9ed1
SHA1

4cd8ba91009fa6560c219d33126a93a6c0be2e10
SHA256

cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670
SHA512

9955fab076c31494eefb58664a9ab096918787ca3f92aa2606637c7e0e80c0ac28872a263b22c60cbc28e5a5a09a96852fb9754ac3bb87fa2f728503fafa7151
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxJKkTWn1++PJHJXA/OsIZfzc3/Q8zxn:fnyiQSoyK0QSoyKC

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4843) 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/4600-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023459-2.dat	upx
behavioral2/files/0x00040000000228f4-6.dat	upx
behavioral2/memory/4600-796-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemData.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationProvider.resources.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\j2pkcs11.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Java\jre-1.8\lib\net.properties.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Office16\concrt140.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebSockets.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationFramework.resources.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\vk_swiftshader.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_MAK_AE-ul-oob.xrm-ms.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOLoader.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sl.pak.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\CLICK.WAV.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_F_COL.HXK.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrlatinlm.dat.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Dynamic.Runtime.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Xml.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Primitives.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.DiaSymReader.Native.amd64.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationCore.resources.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\bcel.md.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXT.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Formats.Tar.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Java\jdk-1.8\bin\rmid.exe.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Numerics.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Java\jdk-1.8\javafx-src.zip.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\icu_web.md.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_MAK-pl.xrm-ms.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Trial-pl.xrm-ms.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsdeu.xml.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscorrc.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.HttpListener.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excelcnvpxy.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-80.png.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.ReaderWriter.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javaws.exe.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-pl.xrm-ms.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\CHICAGO.XSL.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-pl.xrm-ms.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcor.dll.mui.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Xml.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClientSideProviders.resources.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Resources.Extensions.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Client\concrt140.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription4-ul-oob.xrm-ms.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN095.XML.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ro-RO\tipresx.dll.mui.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Java\jre-1.8\lib\javaws.jar.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTest-ul-oob.xrm-ms.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-timezone-l1-1-0.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.IsolatedStorage.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Controls.Ribbon.resources.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0115-0409-1000-0000000FF1CE.xml.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-ul-oob.xrm-ms.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONGRAPHICS.DLL.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Forms.resources.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\PresentationUI.resources.dll.tmp	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.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	cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe

C:\Users\Admin\AppData\Local\Temp\cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe
"C:\Users\Admin\AppData\Local\Temp\cbd3ff98322bf4c02776fa477a0284e5242d3c1cb54d805cb222157c5a5d6670.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4600

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-1-5-21-2392887640-1187051047-2909758433-1000\desktop.ini.tmp

Filesize
126KB

MD5
051da42c7ecd625d3ed0e64fbaa8589a

SHA1
74de4873eefb69a76ca39f3a4b37c7155a937782

SHA256
bdb62aaa7b1ca18ca37f0e5144ca22f5844affec6c2dc78f4d4aee5c76c7b38a

SHA512
2d2fc94988a3f1907532c391805f60706a506bd44a76c6a239104de471b7908669730efc4ae63463ef5c860253ec0767ce0297b47992e91190f7bc3c41adbbef

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

Filesize
225KB

MD5
e4ce80c7d4fa95ec1ee5bca8f591539e

SHA1
325a1dac841433e896b0ec1975862b622c8acb78

SHA256
b88ec2e549906757cacb09da2911655782d6c01a527948ea11fc0c8f3b999658

SHA512
70cef433ec2ab60ccb7a4425554bbaf462b30da5bf83aa5fdf5652ff91561174c715b9efa278f4d9ea7a6118fba1b36a8ff4d316704e451d781d1556352648f7

Download Submit
memory/4600-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4600-796-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download