5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46

Analysis

max time kernel
120s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/09/2024, 09:08

Sharing

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General

Target

5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
Size

74KB
MD5

da3b7f3f439f36578360935307fce1f0
SHA1

779d4807088ae72fc6330da816d2d1c40b809959
SHA256

5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46
SHA512

987162b59ef3f080543fdf4438a2598f5611d65d96e0c78c4f89e7e895daaf2d5aa1b13c27d43fb885401460b341914e1db26f77246baafd5aad7b1b2ee65bae
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNyHF/MF/6m0mdF:V7Zf/FAxTWoJJZENTNyl2Sm0mgI

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4652) 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/4084-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233f5-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/4084-876-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Input.Manipulations.resources.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTrial-pl.xrm-ms.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\GostName.XSL.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-100.png.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Input.Manipulations.resources.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\prism_sw.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jce.jar.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\sound.properties.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-ppd.xrm-ms.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-ul-oob.xrm-ms.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Java\jdk-1.8\COPYRIGHT.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationClient.resources.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Input.Manipulations.resources.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Violet II.xml.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ppd.xrm-ms.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\PresentationCore.resources.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jaas_nt.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001F-040C-1000-0000000FF1CE.xml.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Pipes.AccessControl.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ca.pak.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Marquee.xml.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-ul-phn.xrm-ms.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_logo_small.png.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationProvider.resources.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-pl.xrm-ms.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ko-kr.xml.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-pl.xrm-ms.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\PresentationFramework.resources.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Input.Manipulations.resources.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\WindowsBase.resources.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-process-l1-1-0.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationFramework.resources.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.IO.Packaging.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-ppd.xrm-ms.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_KMS_Client-ppd.xrm-ms.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.resources.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Input.Manipulations.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\xerces.md.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Java\jre-1.8\lib\management\jmxremote.password.template.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Grace-ul-oob.xrm-ms.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationTypes.resources.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\ReachFramework.resources.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ppd.xrm-ms.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\7-Zip\Lang\hy.txt.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l1-2-0.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\.version.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Extensions.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationTypes.resources.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Design.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.XLS.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.Common.FrontEnd.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Common Files\System\ado\msadrh15.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationTypes.resources.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javaws.exe.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Principal.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-phn.xrm-ms.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\eu\msipc.dll.mui.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.hash.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-140.png.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ul-phn.xrm-ms.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.NonGeneric.dll.tmp	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.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	5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe

C:\Users\Admin\AppData\Local\Temp\5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe
"C:\Users\Admin\AppData\Local\Temp\5d8ff79bb4b4635f6d86a4f915fa691d28a54d7188cd0a928da96c4bd152bc46N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4084

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
75KB

MD5
67af0b3f0aa54278d7a02f08232740d5

SHA1
acdde2013185715f167886863f88784a1418e149

SHA256
2bba86d52c7ad584b81e93e6c0e568fda451ae5e0bc56d0e274ef25474da2d6f

SHA512
0d37fa263398f1d331ac9bbd0d5ed4809a5a73dd137c1337169e63df6335534926fe37c8b7654c19480f4c36a49fc63dff5e2635c6be833a80a66d40b8c0cb32

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

Filesize
173KB

MD5
71baaec8c36e145c6c1386d116fcaad1

SHA1
0256fca30183f166fef4d4edd5e21ec7727c76a9

SHA256
5d7ef7015e5b23a9ff3802eac1eca6b5f99d27973342383804683687308689db

SHA512
a1ea0bebf39f264b8085a3b04bd3bf3aa57117a4e9b86b078c95def646ccc43fd34d10ff1e4033ab4914e224851a95b7ec11a29230de2c1011d4ec9be2bfa32c

Download Submit
memory/4084-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4084-876-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download