28a2f38b8b28d061ec0ba7056b6a7b00e398513c5ecfc6912754797c35356281

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 14:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

108ef137ce9fcf6667b98169d29346f0N.exe
Size

76KB
MD5

108ef137ce9fcf6667b98169d29346f0
SHA1

d791fc120ca2c9b08182e56e8a5fe91518210e82
SHA256

28a2f38b8b28d061ec0ba7056b6a7b00e398513c5ecfc6912754797c35356281
SHA512

1368dc434cd398c0a2290fa5df097929ba9404924b89869ecb66aa6a8570a6db5e8d4ce7a954092143e21e890549e2e98f829ef2f7a3cdcf977f5cdc4ad8921b
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcwBcCBcw/tio/tigcssAS29:V7Zf/FAxTWoJJ7TTQoQgcssDTsDV

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4625) 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/2036-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023449-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/2036-850-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.Unsafe.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\vk_swiftshader_icd.json.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\msvcp140_1.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\HAMMER.WAV.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-ppd.xrm-ms.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\7-Zip\Lang\de.txt.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.CodePages.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Security.Cryptography.Xml.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\PresentationUI.resources.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\public_suffix_list.dat.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-runtime-l1-1-0.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.Win32.SystemEvents.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.Primitives.resources.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationFramework.resources.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Resources.Extensions.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\dtplugin\deployJava1.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcDemoR_BypassTrial365-ppd.xrm-ms.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-140.png.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\WindowsBase.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\gstreamer-lite.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemui.msi.16.en-us.xml.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-140.png.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Encoding.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\WindowsFormsIntegration.resources.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-console-l1-1-0.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ul-oob.xrm-ms.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Initialization.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-white_scale-180.png.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\ReachFramework.resources.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Aero2.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ssv.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Grace-ul-oob.xrm-ms.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DIFF_MATCH_PATCH_WIN32.DLL.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaprsr.dll.mui.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-ul-oob.xrm-ms.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-ppd.xrm-ms.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DBGHELP.DLL.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Office 2007 - 2010.xml.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Storage.XmlSerializers.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelTellMeOnnxModel.bin.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ipcsecproc.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppvIsvSubsystems64.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\PUSH.WAV.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-pl.xrm-ms.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_KMS_Client-ppd.xrm-ms.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTest-pl.xrm-ms.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvApi.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Sockets.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\ReachFramework.resources.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationFramework.resources.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Retail-ul-oob.xrm-ms.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Grace-ppd.xrm-ms.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTOCOLHANDLERINTL.DLL.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\PresentationUI.resources.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-stdio-l1-1-0.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\classlist.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\Welcome.html.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\OFFICE.DLL.tmp	108ef137ce9fcf6667b98169d29346f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp	108ef137ce9fcf6667b98169d29346f0N.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	108ef137ce9fcf6667b98169d29346f0N.exe

C:\Users\Admin\AppData\Local\Temp\108ef137ce9fcf6667b98169d29346f0N.exe
"C:\Users\Admin\AppData\Local\Temp\108ef137ce9fcf6667b98169d29346f0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2036

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
76KB

MD5
95764e219299d05fe959e0ad69e8b07c

SHA1
45f83c398b1cc51e77ebb064a41c6bbfbfad5e56

SHA256
308bbf63058f2d32584b7dbc8711e5d24870e4f5d61a7785b8084c1d11c934a8

SHA512
27602b51934bececbf1e12020f33d3a12c169e12f35d55e27fefa7211e6e507e1a03037099e2336707ca795ab267f35c19a9361fa47d7ea41d2aeca096c57384

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

Filesize
175KB

MD5
6499e692d3d10be10d686dc72b53e5bf

SHA1
036d46e9ec275bcc49c9fd5d9b812558a2dcc0fb

SHA256
b65b43b79dc03ac116eac3005b8d9ead133e57df0f2dffcf068cf42f4f17ba0d

SHA512
fb5d39be6a16244e37b3b02e31ded5051a1f1e227f6bbfdafe442053973bb7950036188f3a042df40ad6334ae0846c60a378b3c03e86cea1852db433402eaaaa

Download Submit
memory/2036-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2036-850-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download