182363421990d4fd5c6572a49b648e0f281af92b759b456aef4afcc634aa4eed

Analysis

max time kernel
120s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
28/07/2024, 02:03

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General

Target

35073a9a81300f0091605e6d23485510N.exe
Size

61KB
MD5

35073a9a81300f0091605e6d23485510
SHA1

a12e0d550b2f71fbd27492aeb91f801c5f501062
SHA256

182363421990d4fd5c6572a49b648e0f281af92b759b456aef4afcc634aa4eed
SHA512

3b8ee857700d321844166f3fe02612b412f06145c490ca9d083ddd765d443549bf215a6836e535f659782d99a485d9220e2dc50446c5b7bae84260a39fc00d63
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFIV:CTWn1++PJHJXA/OsIZfzc3/Q8IZnYw

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (2812) 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/2884-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000700000002325a-2.dat	upx
behavioral2/files/0x0004000000022949-6.dat	upx
behavioral2/memory/2884-642-0x0000000000400000-0x000000000040A000-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.IO.FileSystem.Primitives.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\ReachFramework.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-interlocked-l1-1-0.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\zh-TW\tipresx.dll.mui.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.Linq.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebProxy.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationFramework.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\rtscom.dll.mui.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig-office.xrm-ms.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\logging.properties.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TipRes.dll.mui.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Formats.Tar.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationClient.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\PresentationCore.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Presentation.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsFormsIntegration.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial Black-Arial.xml.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sk-SK\tipresx.dll.mui.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-string-l1-1-0.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\WindowsFormsIntegration.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Microsoft Office\root\Client\C2R64.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.DataSetExtensions.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClientSideProviders.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-file-l1-2-0.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Retrospect.thmx.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-ul-oob.xrm-ms.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\mip.exe.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Pipes.AccessControl.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Google\Chrome\Application\110.0.5481.104\vk_swiftshader_icd.json.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationTypes.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Trial-ppd.xrm-ms.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Common Files\DESIGNER\MSADDNDR.OLB.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encodings.Web.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Controls.Ribbon.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCallbacks.h.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Primitives.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Xml.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationClient.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-console-l1-1-0.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.wordmui.msi.16.en-us.xml.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jvmticmlr.h.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\WindowsFormsIntegration.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcp140.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-string-l1-1-0.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Primitives.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Quic.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.SecureString.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationProvider.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationProvider.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\PresentationUI.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationFramework.resources.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Google\Chrome\Application\110.0.5481.104\VisualElements\LogoDev.png.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Google\Chrome\Application\110.0.5481.104\vulkan-1.dll.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Java\jre-1.8\lib\meta-index.tmp	35073a9a81300f0091605e6d23485510N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001F-0409-1000-0000000FF1CE.xml.tmp	35073a9a81300f0091605e6d23485510N.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	35073a9a81300f0091605e6d23485510N.exe

C:\Users\Admin\AppData\Local\Temp\35073a9a81300f0091605e6d23485510N.exe
"C:\Users\Admin\AppData\Local\Temp\35073a9a81300f0091605e6d23485510N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2884

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-1-5-21-1403246978-718555486-3105247137-1000\desktop.ini.tmp

Filesize
61KB

MD5
7d6db8a3b5fb9f25ad1f916da2cbc50e

SHA1
2bd033ee271dbd9f2aaab8ee364df27275db426a

SHA256
b1f1b4a43b71af564776c10cff2f1401b7d4fc5694e5d32e59742ca04ff62038

SHA512
346a6f9b3472db6a1f88fbafc606250f37af75001f7eaeb6456ee54658f29adacd192c2e90db46421933e60742636ef4986f4fa52a40c0abae6f31ca17f549f7

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

Filesize
160KB

MD5
c48684e9780d7caa46414350325da386

SHA1
c5423038c59ef54bda34a6968f9b8b5d02bcdc63

SHA256
bc074686525436268c282cb1e7887b652a997d9280849205b517ff21b42997e1

SHA512
1f2db4211809412ecf72525ea3759afa9d23f57d58ac2eff5d11ec3e3ad3519c5d7810a175c1f97d7ea8c297eeb911312bf57d3016620a929870005ef52225e1

Download Submit
memory/2884-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2884-642-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download