22a4d73ce7cd154e74fe38f33b91a4a8bac02859519962645659ac8afb9a4cc6

Analysis

max time kernel
120s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-09-2024 01:05

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General

Target

4dbc102e03a49e0650ad6ff1d613d730N.exe
Size

77KB
MD5

4dbc102e03a49e0650ad6ff1d613d730
SHA1

4a666d808639720f050790ff2c7e56c2b520a89d
SHA256

22a4d73ce7cd154e74fe38f33b91a4a8bac02859519962645659ac8afb9a4cc6
SHA512

6cc6bc359961f1df02a3c63847908386c49a45583fbd181071f0e8b6c4a2105cf88a62e17b9031e7848e977d5dbd469ea9f0fdfae73e3348f1c8b6117ae567d6
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9Ro+QOViJfo+QOViJHA8l:V7Zf/FAxTWoJJ7TPU2TW7JJ7TPUB

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4371) 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/4944-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a00000002343d-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/4944-792-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.DriveInfo.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClientSideProviders.resources.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_BypassTrial180-ppd.xrm-ms.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Trial-pl.xrm-ms.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-pl.xrm-ms.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql70.xsl.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Dynamic.Runtime.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Drawing.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\WindowsFormsIntegration.resources.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationCore.resources.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-localization-l1-2-0.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationClientSideProviders.resources.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightDemiBold.ttf.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_es.properties.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-file-l2-1-0.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.PerformanceCounter.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Java\jre-1.8\lib\cmm\PYCC.pf.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerView.PowerView.x-none.msi.16.x-none.xml.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sqlpdw.xsl.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ro-RO\tipresx.dll.mui.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Numerics.Vectors.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationProvider.resources.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jvmticmlr.h.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Java\jre-1.8\bin\deploy.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\APASixthEditionOfficeOnline.xsl.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTest-ul-oob.xrm-ms.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TabTip.exe.mui.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-console-l1-2-0.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationCore.resources.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Forms.Primitives.resources.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Input.Manipulations.resources.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial2-ul-oob.xrm-ms.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Controls.Ribbon.resources.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\wsdetect.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\Classic.dotx.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\7-Zip\Lang\gl.txt.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\msquic.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationProvider.resources.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Presentation.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-ul-oob.xrm-ms.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-ul-oob.xrm-ms.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XDocument.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Globalization.Extensions.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-runtime-l1-1-0.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Timer.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\coreclr.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-ul.xrm-ms.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\InkObj.dll.mui.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationClientSideProviders.resources.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Grace-ul-oob.xrm-ms.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Grace-ppd.xrm-ms.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART1.BDR.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Http.Json.dll.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ppd.xrm-ms.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-pl.xrm-ms.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\7-Zip\Lang\pl.txt.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libffi.md.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-ppd.xrm-ms.tmp	4dbc102e03a49e0650ad6ff1d613d730N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-ul-phn.xrm-ms.tmp	4dbc102e03a49e0650ad6ff1d613d730N.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	4dbc102e03a49e0650ad6ff1d613d730N.exe

C:\Users\Admin\AppData\Local\Temp\4dbc102e03a49e0650ad6ff1d613d730N.exe
"C:\Users\Admin\AppData\Local\Temp\4dbc102e03a49e0650ad6ff1d613d730N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4944

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
78KB

MD5
29a2840781add0a3437f0c6896ae8966

SHA1
14c274bae8303c66c434a8a52ea0422d02aa6151

SHA256
81f518510399db21441f83a5ed53b0fe5a25f07f9dc1aebb3aca2795c52feaa9

SHA512
a871ec3b953c1353f892913b25e89d2891029e114589c6928c0a0d66412cbdd73d970faeeb77c153acc37f9f19138469542f2f8607d4755ef0887601641735db

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

Filesize
176KB

MD5
9409305030da2a438bdbe976fc5930a1

SHA1
133a69c1d6eff9e278f41e0997eae176dd1f1de0

SHA256
50daed2000183c608db23492c39becfe31033eea205ff668e86c6a1c31020d7e

SHA512
d50f563bee0056643ab508347e94fb6768a18f1848790aee78d7b304f54aa3551138f2e5837d1a83b307780a0731b179755975358f5742c7058236a063101fb6

Download Submit
memory/4944-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4944-792-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download