dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a

Analysis

max time kernel
150s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 12:32

Sharing

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Report Analysis Logs

General

Target

dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
Size

78KB
MD5

784d2e84187680cfc31e8b3517bad916
SHA1

43edfb6a02bac8880bd01aa035c5eba66c47ff9f
SHA256

dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a
SHA512

ebc14ab8714ba6449775d00bf1114710b6005047a1a4683788ce6dd763921690ebf537f5831d7931a68f531c7268b5018e88a2ce2c9a98ce2e217ff09e8db982
SSDEEP

768:a7BlpyqaFAK65euBT37CPKKDm7EJJcbQbf1Oti1JGBQOOiQJhATNydWK9WKvhWS5:a7ZyqaFAxTWbJJZENTNyoKIKMSwSx

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4871) 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/3400-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233e3-2.dat	upx
behavioral2/files/0x00040000000228de-6.dat	upx
behavioral2/memory/3400-862-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XPath.XDocument.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.EventLog.Messages.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\nashorn.jar.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientOSub2019_eula.txt.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\7-Zip\Lang\mk.txt.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\PresentationFramework.resources.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-ul-oob.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-ul-oob.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Common Files\System\ado\msador15.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linessimple.dotx.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\ISO690Nmerical.XSL.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSHY7EN.LEX.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\7-Zip\Lang\et.txt.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcer.dll.mui.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.CSharp.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntime2019R_PrepidBypass-ul-oob.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessDemoR_BypassTrial365-ppd.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_KMS_Client-ppd.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_Subscription-pl.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\da-DK\tipresx.dll.mui.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-140.png.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSVCP140_APP.DLL.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\CASHREG.WAV.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\concrt140.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.scale-140.png.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msvcp140.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyNoDrop32x32.gif.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifestLoc.16.en-us.xml.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\msth8FR.LEX.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.Primitives.resources.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-black_scale-140.png.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSGR8EN.LEX.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\nio.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\WindowsBase.resources.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_MAK-ul-oob.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-ppd.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WacLangPack2019Eula.txt.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelTellMeOnnxModel.bin.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\1033\ODBCMESSAGES.XML.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\WindowsFormsIntegration.resources.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Controls.Ribbon.resources.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sk.pak.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Client\msvcr120.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ul-phn.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ppd.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\7-Zip\Lang\sr-spl.txt.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Java\jre-1.8\bin\javacpl.exe.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Java\jre-1.8\bin\rmid.exe.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ppd.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\tzmappings.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-pl.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\TYPE.WAV.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationTypes.resources.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Drawing.Primitives.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.Primitives.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\123.0.6312.123.manifest.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-localization-l1-2-0.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-ul-oob.xrm-ms.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.TypeConverter.dll.tmp	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.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	dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe

C:\Users\Admin\AppData\Local\Temp\dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe
"C:\Users\Admin\AppData\Local\Temp\dc639202ae798963d0c4cf99f272c7a90de0ed706d22381484dd0fe97b23882a.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3400

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-1-5-21-2718105630-359604950-2820636825-1000\desktop.ini.tmp

Filesize
78KB

MD5
d566db6ae4da16567960c1af5bfee57a

SHA1
219e1c318ca68441e0a976a4f0359adb45e01f93

SHA256
7c41e1f78a350052142610e8f3862a27621d104f24c632260fb57916853b6b7e

SHA512
8341403307a47a1f28d4cc91d3eb3b291aa9ed2b19603efcb799d235ae0ff614266abe1e312d015407619a01bd46149c3ea4775b7302a1d67ba185ef94661167

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

Filesize
177KB

MD5
1b66b59b7311aa16cb2fa027d69ae3af

SHA1
8861a77538c877b3602307820cd5bb3702adfcea

SHA256
8b719e43cb056faba77c408e043491d934d0d3a9896f3291715d4597ffdb6399

SHA512
b04e04c700808df2593d025b96d97c5d956f716664629856afe02cff1393d0dc92c75b02613f5e52cd183559f89f73186bfa9cf07fa7c30e1a2ba0b9259a87f3

Download Submit
memory/3400-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3400-862-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download