5b68347651ee5b6d42e66c96e6dbf90095d47601e2711eaf2133cf1d6ecdfab7

Analysis

max time kernel
120s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 13:58

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General

Target

dd282e6006c7d65d7b5251acbdc52b60N.exe
Size

105KB
MD5

dd282e6006c7d65d7b5251acbdc52b60
SHA1

c726f991dc5b000aefe2607339aed037e9489166
SHA256

5b68347651ee5b6d42e66c96e6dbf90095d47601e2711eaf2133cf1d6ecdfab7
SHA512

b1931fa703e3ac54ca6454d89f4c23deb4a003f6ba4ad5b80057eb066f1011cf41a3fbd9ca73bb1b3617e6ef3c4c43b4fbd633b72c0d26b24e45cbc659c98ee1
SSDEEP

1536:V7Zf/FAxTWoJJZENTNyl2Sm0mdngIxwwiZdH7iZiqrJdEyumTQR:fny1tE42rnhudHaJdPuOQR

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4309) 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/3148-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000234f9-2.dat	upx
behavioral2/files/0x00040000000228de-6.dat	upx
behavioral2/memory/3148-844-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntime2019R_PrepidBypass-ppd.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-oob.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-string-l1-1-0.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART10.BDR.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Claims.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Primitives.resources.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Input.Manipulations.resources.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationClientSideProviders.resources.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\System.Runtime.InteropServices.RuntimeInformation.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ObjectModel.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Input.Manipulations.resources.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\xjc.exe.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp4-ul-oob.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTrial-pl.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\D3DCompiler_47_cor3.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationClient.resources.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Client\msvcr120.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsnld.xml.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Common Files\System\ado\msado25.tlb.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\rtscom.dll.mui.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Retail-pl.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-file-l2-1-0.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Xaml.resources.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationFramework.resources.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Java\jre-1.8\bin\w2k_lsa_auth.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msix.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-private-l1-1-0.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Extensions.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\DirectWriteForwarder.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-ul-oob.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\ReachFramework.resources.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.osmmui.msi.16.en-us.xml.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-pl.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-pl.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.de-de.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsFormsIntegration.resources.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Java\jre-1.8\lib\calendars.properties.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-pl.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-phn.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Retail-ul-oob.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationUI.resources.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\ReachFramework.resources.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11wrapper.md.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ul-oob.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Grace-ul-oob.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Garamond.xml.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ul-phn.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.SqlServer.Configuration.SString.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Input.Manipulations.resources.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Internet Explorer\ExtExport.exe.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\SPPRedist.msi.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.InteropServices.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ppd.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-ul-oob.xrm-ms.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\+Connect to New Data Source.odc.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ru-ru.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Xml.Linq.dll.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\rmid.exe.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaSansRegular.ttf.tmp	dd282e6006c7d65d7b5251acbdc52b60N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunpkcs11.jar.tmp	dd282e6006c7d65d7b5251acbdc52b60N.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	dd282e6006c7d65d7b5251acbdc52b60N.exe

C:\Users\Admin\AppData\Local\Temp\dd282e6006c7d65d7b5251acbdc52b60N.exe
"C:\Users\Admin\AppData\Local\Temp\dd282e6006c7d65d7b5251acbdc52b60N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3148

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
106KB

MD5
540ba559c6a0de4a7d38380b71bd8e7a

SHA1
f22507547d74510158b41f190205a94e04a611a6

SHA256
01660013545c271ac28ceba5325d0d179af84121c37e75788ad0994078341b8b

SHA512
dbd18c8ff977cb7917947e9938b162dfaf0313bb87ace0ea7aaecdfff36237f30da2f99604e370cd4c32d3b1b4bf7ee5c171ded86162568e01ddf4dc3631be4b

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

Filesize
204KB

MD5
53b8c1ccf580cde2c0a1e10e70055ff5

SHA1
d68c9180f00d58f3e76906b39d541223a83376cf

SHA256
d714c7836a05eb85e9c90aabfd965c6a81e5f05dee50ad0563e0c1984d5fdc07

SHA512
815b22c8a49eabefc921b38f855ee307cc968209f7acecca2ac30bbb52b93fd25280f0dada1d1ca981d9c6271a7fa676aac65d673f752b17a1c05ae8e4a756a8

Download Submit
memory/3148-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3148-844-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download