23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456b

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 09:19

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General

Target

23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
Size

117KB
MD5

ef5142d6efeeb484704df24d6839e1c0
SHA1

9edbcc0984b24f45c321d51a01ee82c6d67f7ebe
SHA256

23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456b
SHA512

813c736efcbe76159c0482d2178d899b2d63510a1fa875206764c86d0c2c64e841809c35e9646a24143a69fcdb62cc2d86672f061107d21966a2bcdbe01b39c2
SSDEEP

1536:V7Zf/FAxTWoJJZENTBmRPsdj2hkAeCgI3i0CJS1Il+lM5QOVhFVh6Jb1Jb3ryCl:fny1tEyyj2yAeCgjJRDFDqryCl

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4175) 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/4216-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000e000000023a3b-2.dat	upx
behavioral2/files/0x0004000000022902-6.dat	upx
behavioral2/memory/4216-658-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\pt-br.txt.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jvm.hprof.txt.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Java\jre-1.8\bin\ucrtbase.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Xml.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.Win32.SystemEvents.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationClientSideProviders.resources.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\ReachFramework.resources.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.Registry.AccessControl.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\7-Zip\Lang\uz.txt.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\oskclearuibase.xml.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationUI.resources.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\PresentationCore.resources.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\WindowsFormsIntegration.resources.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_CN.properties.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\minimalist.dotx.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tr-TR\tipresx.dll.mui.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Common Files\microsoft shared\VGX\VGX.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\.version.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\PresentationFramework.resources.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-conio-l1-1-0.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ppd.xrm-ms.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_Subscription-ul-oob.xrm-ms.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-debug-l1-1-0.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationUI.resources.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationTypes.resources.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\el-GR\tipresx.dll.mui.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.ThreadPool.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Java\jre-1.8\lib\fontconfig.properties.src.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Reflection.eftx.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-ppd.xrm-ms.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Primitives.resources.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash_11-lic.gif.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientARMRefer_eula.txt.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\DATATRANSFORMERWRAPPER.DLL.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Input.Manipulations.resources.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationClientSideProviders.resources.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Xaml.resources.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationClient.resources.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationClient.resources.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Mail.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.sig.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_KMS_Client-ul-oob.xrm-ms.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Numerics.Vectors.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.SecureString.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\colorimaging.md.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ppd.xrm-ms.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ppd.xrm-ms.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-pl.xrm-ms.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\PresentationCore.resources.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\et.pak.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\amd64\jvm.cfg.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Java\jre-1.8\lib\management\jmxremote.access.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue Green.xml.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-pl.xrm-ms.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ppd.xrm-ms.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\7-Zip\Lang\ast.txt.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\COPYRIGHT.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\cryptix.md.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Resources.ResourceManager.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\glass.dll.tmp	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.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	23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe

C:\Users\Admin\AppData\Local\Temp\23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe
"C:\Users\Admin\AppData\Local\Temp\23d5a063b975960721a9e65df50841ad0784893cc8b52fce677e2ab2644b456bN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4216

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-1-5-21-493223053-2004649691-1575712786-1000\desktop.ini.tmp

Filesize
118KB

MD5
ba754beb9943c1adaeede543e277eb48

SHA1
0987e84a24725ac2d2d0b24b383de1fc5e674d0a

SHA256
9de249fad739f3c3213f2af42f87cb738226394d72f49627bdba593d6664122a

SHA512
1fadae9cf8b30fbceb61a5f8f2789c70a482a10727af790874a332b54417514c924c22db437a7dba0a9d141a4358a5365a8d95fb05691eceedfe72eb3cce16d1

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

Filesize
216KB

MD5
f342eb18554ccdf6883c7ddf15d9bdce

SHA1
28723b096204957a8775b054a2a2cd1dfe4d8581

SHA256
2a3471487d4a96199c7b841e2f6924b4d438f0113ceb1af0512daabe5332fec9

SHA512
bd2f4ca1630263afdff6a4e9cee1a86f0611ab1b3c37327d74273d32fdc8a57273b08fcd368e3fb2ce0b4126ef5dd9ca7fe44128b36019082be8a08578c49006

Download Submit
memory/4216-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4216-658-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download