32f9053af80938da86143d6d15844d526b52d07fd18d5aa1f78084dd6fc1c1bb

Analysis

max time kernel
120s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-08-2024 13:07

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General

Target

92c93b52305c49c2c0237ec41c609160N.exe
Size

60KB
MD5

92c93b52305c49c2c0237ec41c609160
SHA1

77268fc33f8cdbcd6a7fc3efbd06d42341a2987c
SHA256

32f9053af80938da86143d6d15844d526b52d07fd18d5aa1f78084dd6fc1c1bb
SHA512

10d801e02a83567b349898baeb439e1474671df6c3d15d74ec7da755172abf9ef4b7fbc4f8d80a594d44b177b0c8fa032d017a463cb099b5d65e1b85777325f9
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJXGi49PU5c5FWRWzdWRWzGK5c5MbtCy5CyJ:V7Zf/FAxTWoJJXV6T6ybl

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4542) 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/4572-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002348e-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/4572-1838-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\icu.md.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT.HXS.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Configuration\card_expiration_terms_dict.txt.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\sqloledb.rll.mui.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Primitives.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Input.Manipulations.resources.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.nb-no.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ul.xrm-ms.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipstr.xml.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.NonGeneric.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-pl.xrm-ms.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\7-Zip\Lang\nl.txt.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\msdasqlr.dll.mui.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_COL.HXC.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy.jar.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_KMS_Client-ul.xrm-ms.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.Lightweight.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-console-l1-2-0.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\trusted.libraries.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationProvider.resources.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\D3DCompiler_47_cor3.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Internet Explorer\iediagcmd.exe.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-convert-l1-1-0.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-pl.xrm-ms.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClient.resources.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Xaml.resources.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Primitives.resources.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-ppd.xrm-ms.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Grace-ppd.xrm-ms.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\Client2019_eula.txt.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-timezone-l1-1-0.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\TipTsf.dll.mui.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\tabskb.dll.mui.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-ppd.xrm-ms.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\WindowsBase.resources.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Java\jre-1.8\bin\orbd.exe.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\asm.md.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-phn.xrm-ms.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ppd.xrm-ms.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\ReachFramework.resources.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-pl.xrm-ms.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ul-phn.xrm-ms.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\7-Zip\Lang\lv.txt.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.StackTrace.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Input.Manipulations.resources.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encoding.CodePages.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Extensions.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Grace-ppd.xrm-ms.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\WindowsFormsIntegration.resources.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.VisualElementsManifest.xml.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E2-0409-1000-0000000FF1CE.xml.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GFX.DLL.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-140.png.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\vstoee.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.AccessControl.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.Client.dll.tmp	92c93b52305c49c2c0237ec41c609160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mip_core.dll.tmp	92c93b52305c49c2c0237ec41c609160N.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	92c93b52305c49c2c0237ec41c609160N.exe

C:\Users\Admin\AppData\Local\Temp\92c93b52305c49c2c0237ec41c609160N.exe
"C:\Users\Admin\AppData\Local\Temp\92c93b52305c49c2c0237ec41c609160N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4572

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-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
61KB

MD5
3d4a12808bab162ac35f81118ec3be5a

SHA1
5d1200bfe0ae9923ec58cca64277d9cf87479d68

SHA256
c92c147da829e3cbede6cde17cb966801435b7be1851e42deac9d42da1c75843

SHA512
3b62982a4a617e35a42bb00528fb8b30b98eb226e7c7315eafe0825be825ecf6f68f25a367ab37304cdbd94c2172e9838ffaf21f9fddedd223760f64f95456ee

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

Filesize
159KB

MD5
bd88ad6365750e44355da2f6e896d3f7

SHA1
d23d372158972a9efae0bacbf8635e6c0531720a

SHA256
8cf60bceddc00a005ce6c3ceaf110cc338007dc57bc032d085bc3a4efab5e792

SHA512
e35d3c374bc618ef2b5a1c201bec204cc84d4750ffa82cc9a1c052cfbfca0fe9e8c8b83de01d5fee5bdfdc5b826ab6ea31142ceb2750a349f72362e595421742

Download Submit
memory/4572-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4572-1838-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download