83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c

Analysis

max time kernel
120s
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
19/11/2024, 17:44

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General

Target

83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
Size

57KB
MD5

af3f276b21f1b615c7fd39894558ca77
SHA1

7c67eff41d9d4eb4e454cef571abef0a7b7b53e8
SHA256

83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c
SHA512

cabd92c02f3170f11848b1735d1cd44a570603b40eecf72b0d3a6afaee2221c866385d3de5b3c31a31366734a799ed6d92e4f8ebfb83e18af20116b031eb6311
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATBHfBo8o3PV15RD:V7Zf/FAxTWoJJZENTBHfiP3zD

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4185) 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/3464-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a000000023c8f-2.dat	upx
behavioral2/files/0x00140000000228fc-6.dat	upx
behavioral2/memory/3464-654-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\ThirdPartyNotices.ja-jp.txt.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.ServicePoint.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationClientSideProviders.resources.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.Xml.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\javafx.properties.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationClient.resources.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\7-Zip\Lang\io.txt.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.RuntimeInformation.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClient.resources.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Java\jdk-1.8\bin\klist.exe.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ul-oob.xrm-ms.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-pl.xrm-ms.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\ShapeCollector.exe.mui.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\pkcs11cryptotoken.md.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Integral.thmx.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrfrash.dat.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\currency.data.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-ppd.xrm-ms.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\7-Zip\Lang\vi.txt.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Controls.Ribbon.resources.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Presentation.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.c.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-process-l1-1-0.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\pkeyconfig-office.xrm-ms.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\3082\MSO.ACL.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\HideConvertTo.xlsm.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\WindowsAccessBridge-64.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\gstreamer.md.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ppd.xrm-ms.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-pl.xrm-ms.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ppd.xrm-ms.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-memory-l1-1-0.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_es.properties.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Java\jre-1.8\bin\dt_shmem.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Java\jre-1.8\lib\jsse.jar.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-pl.xrm-ms.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-ul-oob.xrm-ms.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-pl.xrm-ms.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_PrepidBypass-ppd.xrm-ms.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.HttpUtility.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\vcruntime140_cor3.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVOrchestration.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClientSideProviders.resources.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Internet Explorer\es-ES\iexplore.exe.mui.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-memory-l1-1-0.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsBase.resources.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationTypes.resources.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.SystemEvents.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\hr.pak.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jfr.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-ul-oob.xrm-ms.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ja-jp.xml.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\Crashpad\metadata.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-namedpipe-l1-1-0.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.CoreLib.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.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	83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe

C:\Users\Admin\AppData\Local\Temp\83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe
"C:\Users\Admin\AppData\Local\Temp\83f10d830d7ad673d7de8663401a9785a3221a8db71eac76975359cdf5f9a55c.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3464

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-1-5-21-2878641211-696417878-3864914810-1000\desktop.ini.tmp

Filesize
57KB

MD5
9f7ed048d2585e42f5792cb45f45cf73

SHA1
e6172d410fbf9cac2c6772a7b327eb8c80b296ec

SHA256
2ca86bff3309877519e3a9736e929209a050dc0bf686640ece4b1dab99dd9afc

SHA512
a84605f545c21b9b024257ef812cc35ed35c0e6c67f802efaf0d912d813b7c034a7c2c21a4de0175c2e2eba05e437634ee246438da0d2fe4431fea8d16ec1a56

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

Filesize
156KB

MD5
5a73a4a78244f3a6a3d3f6e171b99575

SHA1
88a48b1b05e0fdca507866216dc950e14f593c0c

SHA256
8cc51a5354f96f2ef4619b25ed93c675381b1215d2197ca99f2170fcb2870dea

SHA512
188ba438dc136660f8320c48cd6cfa9f1a26d002b8aaad72c46617f52284ee272ecf9950bb09a0c605578f6f7b24d39be2ed119fa1f4ff1e97d4b1a75a303ed3

Download Submit
memory/3464-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3464-654-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download