d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0

Analysis

max time kernel
150s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 02:33

Sharing

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Report Analysis Logs

General

Target

d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
Size

53KB
MD5

3572c607e869f7ad234e1c383c042426
SHA1

4b5cd33383a1483e61f1bf8d3f336b453be82c8d
SHA256

d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0
SHA512

e0481d61d79b9f06621a998bbdd96e9aa71d2d6b6f76ef6c593500bd91dfb74306e9dcb25b4583766e4540dffa36d4cbbc7834e871f18bf8d9422754f7f53340
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeinMdx:CTWUnMdyGdylCtCs

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5037) 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/2732-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00080000000235b6-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/2732-859-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\sr-Latn-RS\msipc.dll.mui.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ja.pak.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E1-0409-1000-0000000FF1CE.xml.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-bridge-office.xrm-ms.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ul-oob.xrm-ms.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\libpng.md.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL010.XML.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Watcher.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XmlSerializer.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationTypes.resources.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\plugin.jar.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\kor-kor.xml.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\WindowsFormsIntegration.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-ppd.xrm-ms.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\ISO690Nmerical.XSL.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\vcruntime140.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\invalid32x32.gif.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Corbel.xml.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.NetFX35.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clretwrc.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Dataflow.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogo.png.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-ul-oob.xrm-ms.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ul-oob.xrm-ms.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-utility-l1-1-0.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\CopyRename.eps.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Slipstream.xml.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-ul-oob.xrm-ms.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_CopyDrop32x32.gif.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN054.XML.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.ReaderWriter.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightItalic.ttf.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GKWord.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\oskmenubase.xml.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Input.Manipulations.resources.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-pl.xrm-ms.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7cm_fr.dub.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationUI.resources.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Controls.Ribbon.resources.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Grace-ul-oob.xrm-ms.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\upe.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dtplugin\deployJava1.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\dnsns.jar.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Java\jre-1.8\bin\msvcp140.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\ZeroByteFile.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\DirectWriteForwarder.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\fxplugins.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Java\jre-1.8\lib\flavormap.properties.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-pl.xrm-ms.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-pl.xrm-ms.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-pl.xrm-ms.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL108.XML.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-ppd.xrm-ms.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ul-phn.xrm-ms.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOARIANEXT.DLL.tmp	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.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	d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe

C:\Users\Admin\AppData\Local\Temp\d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe
"C:\Users\Admin\AppData\Local\Temp\d8ca9ef71a0caca4cb7c39ca40faf6c77bdf0dca1f5bbfd42c6ca195a7e4d5e0.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2732

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3928,i,4356837537417149674,16553092232944545509,262144 --variations-seed-version --mojo-platform-channel-handle=3772 /prefetch:8
1⤵
PID:1868

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-1-5-21-2170637797-568393320-3232933035-1000\desktop.ini.tmp

Filesize
53KB

MD5
256ee33c9bea29e104f04b859dc9cfc1

SHA1
706d6d7bb11328429de846bcba22287e1b3e216d

SHA256
18a0cebdd4f9fce70e3892728338417cd566ca227a11fd5b004584e146f141ad

SHA512
b47e6c401850773292836302c058f4535f3a1de910621f994e8427ce59ddd6ec742ca4168d183cc4c5e0788a9c1937ba12441b78ad6c51548a696172ec6694a9

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

Filesize
166KB

MD5
92771a1c441d0d3f8eca354aaeef8d26

SHA1
354bc6854e4d3bd0f002c12035d7490ceef166d1

SHA256
97c1dd11ed7ab128f071f2865f5480692f1923de52dc4ea9ecc6fdc71ecadb67

SHA512
8eafc93148b328bbe15c54d906f8b4e2459fa830a2d52fa6643b5036ca93570103794acefd7bcfa31224313ed57faf1198ad1f2aa459380e330c9460265be4c6

Download Submit
memory/2732-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2732-859-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download