2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46

Analysis

max time kernel
119s
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
12/10/2024, 06:51

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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 (4681) 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/1652-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000c000000023b4e-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/1652-789-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.NameResolution.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationClient.resources.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-ppd.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-oob.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Common Files\System\ado\adovbs.inc.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Drawing.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Xaml.resources.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteFreeR_Bypass-ppd.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-ppd.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-synch-l1-2-0.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Xaml.resources.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Input.Manipulations.resources.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationClient.resources.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Median.xml.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_MAK-ul-oob.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Grace-ul-oob.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription1-ul-oob.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MYSL.ICO.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\prism_common.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-pl.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-ul-oob.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_MAKC2R-ppd.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\7-Zip\Lang\sk.txt.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Drawing.Common.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\WindowsFormsIntegration.resources.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\asm.md.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Office 2007 - 2010.eftx.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Retrospect.thmx.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange Red.xml.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Grace-ul-oob.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription2-ul-oob.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ul-phn.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_rtl.xml.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsFormsIntegration.resources.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jdwp.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ul-oob.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.ConnectionUI.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.NETCore.App.deps.json.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationUI.resources.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.OAuth.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOARIA.DLL.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\misc.exe.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\7-Zip\Lang\nl.txt.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Encoding.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.FileVersionInfo.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\ReachFramework.resources.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsBase.resources.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\fontmanager.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-pl.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-180.png.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad\auxbase.xml.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\xjc.exe.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-ppd.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Formats.Asn1.dll.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-pl.xrm-ms.tmp	2ea19290113f159463b5a50154419d4cc91a3bde3a1a525741f2f4b536048a46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ul-oob.xrm-ms.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:1652

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-1-5-21-2437139445-1151884604-3026847218-1000\desktop.ini.tmp

Filesize
45KB

MD5
3cc920451397b8b45dd682b20db49fb4

SHA1
fca947b1ec185c3fc2438b7f107a591ff95f834a

SHA256
fc722fd852ee248b2bd5985594930594c2cf93259071b8c7e5a8278dbfee3480

SHA512
f857f1b0dc08146006a0455c2a15c734d6fb6f66d0d1707e47c66e05400a321d5523dbe807e49e4af55d14b5cf1d83fd5bd9160e197e1a2b1d74698d35147a4b

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

Filesize
144KB

MD5
73ffa482c315145e2362c2818cc69ab7

SHA1
6e743481458d255a8a083ef77122add60cb0984e

SHA256
46cd6fdb7b3020dca1833abef9f725d5ca218c809a0a5039aa2bec92ca6dbf3d

SHA512
791715cad80d5207f99366572f78addfb1b958332bab10b69f87d14a7ba5b8163cf8124b51f0d2f454c58e4d2d323cf5c72b40046b5c454fae1bebe368eecb0a

Download Submit
memory/1652-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1652-789-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download