889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fd

Analysis

max time kernel
150s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 10:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
Size

36KB
MD5

a77745be7552dc3ea0d7e1fe4ffa7270
SHA1

341cb6851660a5ccd899a4c13f8fe194d73a598f
SHA256

889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fd
SHA512

5b90809bc7d8c1d5079f576668762817a61395c2ca3cc440fa1faa94b480ff7320ff0d9706a5468365df7e3014a7992cdb915432d44ab20ad6163c148a2e8a4d
SSDEEP

768:kBT37CPKKdJJTU3U2lRtJfOn33EskmKs333EskmKsI:CTW7JJTU3UytJfOEfmKjfmKb

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5208) 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/4628-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000b000000023b6f-2.dat	upx
behavioral2/files/0x0004000000022941-6.dat	upx
behavioral2/memory/4628-789-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationClientSideProviders.resources.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Xaml.resources.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\rmic.exe.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ul-oob.xrm-ms.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.vsto.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONBttnPPT.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.it-it.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationProvider.resources.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightDemiItalic.ttf.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-ul-oob.xrm-ms.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\ShapeCollector.exe.mui.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Debug.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Java\jre-1.8\bin\resource.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-ppd.xrm-ms.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.excelmui.msi.16.en-us.xml.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.en-us.xml.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationTypes.resources.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ul-oob.xrm-ms.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ppd.xrm-ms.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_f14\FA000000014.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTrial-ppd.xrm-ms.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL016.XML.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\cpprestsdk.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.resources.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-math-l1-1-0.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ul.xrm-ms.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxhelper.exe.manifest.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.resources.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationProvider.resources.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunec.jar.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Grace-ppd.xrm-ms.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_KMS_Client-ul-oob.xrm-ms.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-ppd.xrm-ms.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-180.png.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSWORD.OLB.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\kor-kor.xml.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav.xml.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\msdasqlr.dll.mui.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClient.resources.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationProvider.resources.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-environment-l1-1-0.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial2-ppd.xrm-ms.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ppd.xrm-ms.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-locale-l1-1-0.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encodings.Web.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Web.HttpUtility.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Forms.Design.resources.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationTypes.resources.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-140.png.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN002.XML.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\BloodPressureTracker.xltx.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN105.XML.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\Office Word 2003 Look.dotx.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\rtscom.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationTypes.resources.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Java\jdk-1.8\jmc.txt.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXC.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.Reporting.AdHoc.Shell.Bootstrapper.xap.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\7-Zip\Lang\ast.txt.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationClientSideProviders.resources.dll.tmp	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.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	889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe

C:\Users\Admin\AppData\Local\Temp\889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe
"C:\Users\Admin\AppData\Local\Temp\889f58dbe5b3c0c788163c1ebbd4fc2d293d1ba47769413fb6738a6a5c1c41fdN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4628

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-2629364133-3182087385-364449604-1000\desktop.ini.tmp

Filesize
37KB

MD5
59c031b37c5565ab94476f4b7a38f8d5

SHA1
074139cea6db617c3a425f130896ac3ad42aced4

SHA256
046b5af88ce240c84980abf0ba60d7932a68380fbd82e15ee9ffcd7b5600fd47

SHA512
1148c87e1f67c92d3e4de028e6c0c5d45078b77e4f1490e331cd99e6234d5b857973265200ebb199c170bb07136a8ca769f0565752309fb588150584729ff8d6

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

Filesize
135KB

MD5
f36d8e694019a291e8fcd24e6bca690f

SHA1
5945b4e4566099804b64ba00ca9f261d06ec3bde

SHA256
adf509f41adb47706e3a89448a90dfc72b40c9a3bd05431c4732566580be26eb

SHA512
1d8219fd061f87d4759473c414613666c9123d72873bc8064869462a28457934f9585974a21feaa833d1d6d6afa58a889159e36c7b3f99d1fff0ff53aead88a9

Download Submit
memory/4628-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4628-789-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download