e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 01:25

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General

Target

e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
Size

83KB
MD5

2a759b5297586af37bb627994e668eb0
SHA1

11046c35e874d4cdf35e531ea5ad94e8623518a5
SHA256

e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3
SHA512

37562d7687021f5a45e128a8d6a86ce3b2b99e598b09e905cf0999f48a70b633eb8fbda25204661c9f154cbd9067f2ca253b94bfad673f87eb6564b797f836e6
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxQiKJAWJAn:fnyiQSok

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4614) 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/2368-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023457-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/2368-850-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscorlib.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\jni_md.h.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Controls.Ribbon.resources.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.he-il.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\mshwLatin.dll.mui.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l1-1-0.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\thaidict.md.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow.xml.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ppd.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ppd.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\7-Zip\Lang\sa.txt.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationClient.resources.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-ul-oob.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ul-phn.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSSRINTL.DLL.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sawindbg.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTrial-pl.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ppd.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AUDIOSEARCHLTS.DLL.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-140.png.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.Common.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\WindowsBase.resources.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationCore.resources.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-ul-oob.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ppd.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Debug.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-pl.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Forms.Primitives.resources.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Extensions\external_extensions.json.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaTypewriterRegular.ttf.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ppd.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.TypeConverter.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\freebxml.md.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Trial-pl.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscorrc.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationFramework.resources.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ul-oob.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ul-oob.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-ppd.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Buffers.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-processthreads-l1-1-1.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ucrtbase.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\blacklist.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Franklin Gothic.xml.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ppd.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-oob.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\DocumentFormat.OpenXml.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\BREEZE.WAV.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcer.dll.mui.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\ReachFramework.resources.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationTypes.resources.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\gstreamer.md.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\7-Zip\Lang\si.txt.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\Office16\OSPP.VBS.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\el-GR\tipresx.dll.mui.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Common Files\System\msadc\msadcer.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-convert-l1-1-0.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipstr.xml.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Principal.dll.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.dll.sig.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\libxml2.md.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ppd.xrm-ms.tmp	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.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	e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe

C:\Users\Admin\AppData\Local\Temp\e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe
"C:\Users\Admin\AppData\Local\Temp\e4643d5f86efc96bb7dca52508ed5cbb92c88551b4e05ffe448918fcdf2256d3N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2368

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-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp

Filesize
83KB

MD5
d9c7e9a4c17ed7310a38ed0d74a3241e

SHA1
04564f1290ea1064e815c0d6249866179a6d1480

SHA256
e3fab849d889058c5c8caa787bea07cf5ca3862a093a40d8ed7f817623a10b66

SHA512
87f59a9d47ef45e9ba44c75bf3584a8a37764b019608339259fdc1b69c19c4046bfd949ca7a9d7a049078f8c1b999a581ae1990e3073cf889a25c28563a2b386

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

Filesize
182KB

MD5
0628a246447368fb6a6469634e21e3ff

SHA1
ef4ba2f4bc22d24847f62d54cf17a8e805e1818b

SHA256
66fea115a77590b834a6e35eaa4ba1f7224ef1faf684b10081cf055ef152599b

SHA512
079cd437c73e4165d7b61018a332fb643f9470dd7379281415a3377f51bc326e96dc2cb56266ecfe72d5c32755e7711278b8d91ed8223a816d971c19a6ccce41

Download Submit
memory/2368-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2368-850-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download