a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51ba

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2025, 21:42

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General

Target

a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
Size

173KB
MD5

ee2406e065cf21d3974d6c94be04c280
SHA1

f0279703931757432e8ddcf1ee016f37e2e445d1
SHA256

a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51ba
SHA512

eea44dd6ff1840bbfacbf54645f62e98147be393895931acab3f9bc951632cd5678e5506c1e1df4956f71c6b95355eeacc4df471bf6c470dec4c26fb561a208a
SSDEEP

1536:V7Zf/FAxTWoJJ7Th9ko9kC7Zf/FAxTWoJJ7Th9ko9kzaG2Gz:fny199ko9kGny199ko9kzaG2Gz

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3962) 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/532-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c99-2.dat	upx
behavioral2/files/0x00140000000228fc-6.dat	upx
behavioral2/memory/532-650-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaprsr.dll.mui.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.Native.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationClientSideProviders.resources.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-ul-phn.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTrial-pl.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_MAK-ul-phn.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Grace-ppd.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ul-oob.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ul-phn.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ul-phn.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipschs.xml.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\WindowsFormsIntegration.resources.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationCore.resources.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\cldr.md.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Java\jre-1.8\bin\ucrtbase.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jpeg.md.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\xerces.md.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_MAK-ppd.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.Win32.Registry.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationProvider.resources.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-pl.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-pl.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\7-Zip\Lang\bn.txt.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\wpfgfx_cor3.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\lt.pak.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Contracts.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\en-US.pak.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.c.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPoint.PowerPoint.x-none.msi.16.x-none.xml.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-ppd.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Grace-ppd.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\7-Zip\Lang\el.txt.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-debug-l1-1-0.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.resources.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Java\jre-1.8\bin\sspi_bridge.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProDemoR_BypassTrial180-ppd.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\mshwLatin.dll.mui.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Accessibility.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Controls.Ribbon.resources.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_es.properties.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_KMS_Client-ul.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\orbd.exe.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AuthoredExtensions.16.xml.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.Design.resources.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Controls.Ribbon.resources.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ucrtbase.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Office 2007 - 2010.xml.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-pl.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ul-oob.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Transactions.Local.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationClientSideProviders.resources.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessDemoR_BypassTrial365-ppd.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-pl.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Json.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Forms.Design.resources.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Trial-ul-oob.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\trusted.libraries.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Java\jre-1.8\bin\sunmscapi.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-file-l1-2-0.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-ul-phn.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ul-oob.xrm-ms.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\ReachFramework.resources.dll.tmp	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.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	a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe

C:\Users\Admin\AppData\Local\Temp\a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe
"C:\Users\Admin\AppData\Local\Temp\a880e57703e19c73e5aa6863d5befed20790f602ed32da6725f743f23fcc51baN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:532

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
174KB

MD5
9c63a4da01647e0928b2cf5d0febf8f0

SHA1
d2881646c4c1cb8966a62b146ae8fdab9ef33333

SHA256
f1ecef729f561fda7c8b8bc570a1a590235b4d33815976dd0f924b04ee65e5ea

SHA512
e373a3d2c85e338dcf1f4890dc67bca26b2eb78cf2f655d3f14d1dc058bbd77a0e8144652ca23b4a855266bdbe19492eea442426df5a00cbb8564e6894f833ec

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

Filesize
272KB

MD5
82a981e23baa8475a58430233ec24681

SHA1
a67b6049c2f0eddb91bbb6f49332cc15b0aa760a

SHA256
36e5bf08b36a21d4d9fd71d2842c10a23e93db08161c194ed5fd0c45e10cb7e8

SHA512
a4fd8da15eaed0e029deda21e991bd38689d483b74ebc0b2d85f6556ecaf34be195d7da3e74084fabe3f2c6d9e1489597ff2717c96ecd0eedac228f4ebff1f7b

Download Submit
memory/532-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/532-650-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download