40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 21:16

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General

Target

40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
Size

52KB
MD5

904e7158cdca64bcda05581b6834d7a6
SHA1

28df74f5974074479195d5125e30b0252ac3205b
SHA256

40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c
SHA512

d49bce4bef69e07bb0a06dcd865c332aab77a32cbd843f4d7e6a7a9bcabb5590747365895351f102ca9038dc1fdf38567f85dd0d61d1e12aa18b53eae45d3c84
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9eE5:V7Zf/FAxTWoJJ7TUK

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5000) 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/3216-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a000000023c98-2.dat	upx
behavioral2/files/0x001400000002292e-6.dat	upx
behavioral2/memory/3216-660-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-ul-oob.xrm-ms.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-stdio-l1-1-0.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\dbgshim.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordbi.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Handles.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.resources.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationCore.resources.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Java\jdk-1.8\bin\vcruntime140.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-pl.xrm-ms.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ppd.xrm-ms.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHPHN.DAT.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\libxslt.md.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT.HXS.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_w1\WA104381125.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\7-Zip\Lang\fi.txt.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\TabTip.exe.mui.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.resources.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationTypes.resources.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.X509Certificates.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.Design.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\trusted.libraries.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.powerpointmui.msi.16.en-us.xml.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ul-phn.xrm-ms.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ppd.xrm-ms.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_Grace-ppd.xrm-ms.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL089.XML.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Common Files\System\ado\en-US\msader15.dll.mui.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Claims.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Java\jre-1.8\bin\msvcp140_2.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_PrepidBypass-ul-oob.xrm-ms.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\MSOSEC.DLL.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XPath.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-pl.xrm-ms.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-pl.xrm-ms.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PowerPointNaiveBayesCommandRanker.txt.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationUI.resources.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-conio-l1-1-0.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-pl.xrm-ms.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-pl.xrm-ms.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\word2013.dotx.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\BREEZE.WAV.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\manifest.xml.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Formatters.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Cng.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-pl.xrm-ms.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ppd.xrm-ms.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ppd.xrm-ms.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\host\fxr\7.0.16\hostfxr.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.AccessControl.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msdaremr.dll.mui.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Java\jre-1.8\bin\jp2iexp.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Java\jre-1.8\bin\ktab.exe.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\policy\limited\US_export_policy.jar.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Client\C2R64.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Layout.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Thread.dll.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\gu.pak.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\glib.md.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.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	40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe

C:\Users\Admin\AppData\Local\Temp\40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe
"C:\Users\Admin\AppData\Local\Temp\40eb8ad3e97e21254e2e40fc5df192cb914cfb8201c2db7258990f059576099c.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3216

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-1-5-21-940901362-3608833189-1915618603-1000\desktop.ini.tmp

Filesize
52KB

MD5
951c3ab89e34d269f59e7601dbda99c5

SHA1
76adf6f27286b78c8b5cc5f19d9d800125fbc39c

SHA256
4e3efbc285af4753375e45948cbf609cbc0110f394821ad86932aa5129460bc2

SHA512
19b658bb156999439e9c83f015f02e2916487393493ca9613e16bfe67a6e7731a17027684de4b6a15bdbec0243a0bc1d5bdcb7a23e7a6df0c0c6a09183245afb

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

Filesize
151KB

MD5
df79ec0291562cc0c13691f43299969c

SHA1
3a68e6228df1a13e33418ef89de2db26d8ed2e12

SHA256
9b0ace1c688363acc45189b1a9ae0c078a8308884789929a42e5d9055f587127

SHA512
31632366cb70669554cbdbdf49c164b0e6109986ce1d63d3766275de5c5c40698a640330d938b08b959d19d892480b3cb178e589d3fd1a2e46d68a73c678b6aa

Download Submit
memory/3216-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3216-660-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download