1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015

Analysis

max time kernel
150s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 06:55

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General

Target

1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
Size

85KB
MD5

67bf9b38607dff9a69ed8cc6836749b0
SHA1

438a63c2169e62bf1bd4ab6c411858a80aef6166
SHA256

1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015
SHA512

4e07929bb3764b33624c3ebb2a8942548592f04459a07698c088c29c5dd2e323481c534fff2cbda6e0ecea06898a1c8decde219a5343ffc6706cb7e1a4029b62
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8IZTwhx58hx5U:fnyiQSo7Z6xcxC

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5111) 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/4004-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002346d-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/4004-904-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\InkObj.dll.mui.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-console-l1-2-0.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.BackEnd.XmlSerializers.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-white_scale-100.png.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\WindowsFormsIntegration.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00A1-0000-1000-0000000FF1CE.xml.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-ul-phn.xrm-ms.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ul-oob.xrm-ms.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\7-Zip\Lang\ko.txt.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\ConnectMeasure.au3.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.AccessControl.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Java\jre-1.8\bin\javaw.exe.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-ppd.xrm-ms.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-ppd.xrm-ms.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_PrepidBypass-ppd.xrm-ms.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\PresentationFramework.resources.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\Office16\OSPP.HTM.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\CERTINTL.DLL.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-MX\tipresx.dll.mui.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationClient.resources.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\WindowsBase.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\PresentationUI.resources.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ppd.xrm-ms.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ppd.xrm-ms.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSQRY32.CHM.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javap.exe.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Java\jre-1.8\bin\msvcp140_2.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Client\ucrtbase.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\PRIVATE_ODBC32.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\zlibwapi.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OneNote\prnms006.inf.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\ReachFramework.resources.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\glass.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-ul-phn.xrm-ms.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hr-HR\tipresx.dll.mui.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\bci.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ChakraCore.Debugger.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\7-Zip\Lang\ta.txt.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\ConnectUninstall.scf.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.Lightweight.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.NameResolution.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\WindowsBase.resources.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\optimization_guide_internal.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.config.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-white_scale-180.png.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL090.XML.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.ServicePoint.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-heap-l1-1-0.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-140.png.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Numerics.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\ReachFramework.resources.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightDemiItalic.ttf.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Garamond.xml.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-pl.xrm-ms.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.dll.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ul-phn.xrm-ms.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000042\manifest.xml.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000049\catalog.json.tmp	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.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	1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe

C:\Users\Admin\AppData\Local\Temp\1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe
"C:\Users\Admin\AppData\Local\Temp\1ca83086720cdc6ec914bcdc20fbd141dfee6125b28a294b4996f8cd06e71015N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4004

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
85KB

MD5
7ec194ce3508e599b66298f7a38eaf39

SHA1
b8ab210f5ce9d610a90e3cfe5377cb0ce1aa5983

SHA256
a64236bf13d7b87407bcca902c022f6b060988ea8db530b27627ece03c19f5f6

SHA512
d208b6649df80d223ba9b594e776eed2abf5f971804cb28bb7886441d850c3e5a93f34b61dab0c37d4ed77261eb046d551bd8d5f080abee9a407db2b57d8de1d

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

Filesize
184KB

MD5
50baf63cba37c99e8acdd886616c4c7a

SHA1
d739bfa5093430ee8d3d14e884fefd5e96355608

SHA256
35617c6bb77cd4ffadbccac89f463a9c02fb93ebcff434b75dabd95c971e6317

SHA512
399719578b22e5a2f04e512e44c5f75f00b55be9109abffc58fdfb897e1c0077db06dc31c5813444aaf26836eb6382115bc568c090170d309fedae848881b40c

Download Submit
memory/4004-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4004-904-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download