2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46

Analysis

max time kernel
149s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 06:56

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General

Target

2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
Size

45KB
MD5

71d2c4f10b0c489037b636b34bb839e0
SHA1

9050cec1f815b738cda6727b7ca657ad9a1010ba
SHA256

2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46
SHA512

27caa7f5e5744c834c931b37a918233e50547a8ff5d6a8ab0ff99636ded6928b6794a36e7883f78def47307ada9491b3001598e37fcf33c11b169d88b207bed4
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcwBcCBcw/tio/tiJFEFuodcOZiJSQOQiJfodcOf:CTW7JJ7TTQoQPyPhehd

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5193) 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/3276-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000b000000023b69-2.dat	upx
behavioral2/files/0x0014000000022905-6.dat	upx
behavioral2/memory/3276-789-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription5-ul-oob.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msotd.exe.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Uri.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.ProtectedData.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jre-1.8\bin\policytool.exe.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Trial-ppd.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-pl.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AugLoop\bundle.js.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OFFSYMXB.TTF.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\PresentationUI.resources.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jre-1.8\bin\prism_d3d.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fil.pak.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-heap-l1-1-0.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Common Files\System\msadc\msdaprsr.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_ja.properties.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.SPClient.Interfaces.DLL.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Security.Permissions.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-pl.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSSP7FR.LEX.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Controls.Ribbon.resources.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\hi\msipc.dll.mui.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jre-1.8\lib\currency.data.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\TimelessResume.dotx.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.NonGeneric.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\directshow.md.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.DriveInfo.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\msdasqlr.dll.mui.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jps.exe.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-ul-oob.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.Query.NetFX35.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBCTRAC.DLL.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TabTip.exe.mui.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Aero2.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\WindowsBase.resources.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ul-phn.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ppd.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\7-Zip\Lang\tk.txt.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemData.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\management\management.properties.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL095.XML.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Common Files\System\ado\msador28.tlb.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.StackTrace.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\meta-index.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\cldrdata.jar.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ul.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\IpsPlugin.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\mshwgst.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.Common.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-pl.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\WindowsBase.resources.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jre-1.8\lib\javaws.jar.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-ppd.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.DataWarehouse.DLL.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.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	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe

C:\Users\Admin\AppData\Local\Temp\2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
"C:\Users\Admin\AppData\Local\Temp\2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3276

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-1-5-21-4089630652-1596403869-279772308-1000\desktop.ini.tmp

Filesize
45KB

MD5
1cd2f7ddb47339c8715d97fe737ad615

SHA1
240b5462eb0e5b5f2f819ed0b15dbf6aa597edcc

SHA256
b9d4e764ac9dc8b96b82ef415ebaa5e0cbf3668ad291f51207809347d3011913

SHA512
b3890e0d643c1531f10e583081b360f6fa2c19463c012cd4fa4180b433d03390c1e4116b925dbfa769d00942b3c26d27ba8f723b4fef80537c18fc2c09d7b0ab

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

Filesize
144KB

MD5
250749ae867774773641af311806ddec

SHA1
e68d2ecf532961de9fd7f36490f966edd1aa6f1b

SHA256
50df32c3dc54fc6b6b4620c2b771d4866b9c4e28bdab3c0e86b47548749a8b32

SHA512
7f65006d3eb69777f21f362d39d237fa98c062d7ff57c554b67eecd15e79ff22c850ce8f13ab1321db5c6dd1bce95f7b984f2e96270b1f39129b926537484ace

Download Submit
memory/3276-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3276-789-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download