8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf

Analysis

max time kernel
150s
max time network
151s
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, 03:27

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General

Target

8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
Size

55KB
MD5

254b590f2e892d668f1bcd3eb0316122
SHA1

97c69410d9885682af94be3f92dcd26a10b6c569
SHA256

8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf
SHA512

e73260e98c8377eba17e332582445ffabdeaca3272b17c39065fb677650eb5ee04e1f2c6000d686363884d169ae255b9f9a567f9a920338eb3e2217e697aced5
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9ZJW5eiW5ei9:V7Zf/FAxTWoJJ7TzJWDWD9

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5045) 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/5020-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0003000000022ab1-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/5020-920-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\bin\glib-lite.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\EXCELPLUGINDATAPROVIDER.DLL.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OneNote\prnSendToOneNote.cat.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\7-Zip\Lang\mn.txt.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11wrapper.md.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.AeroLite.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\PresentationCore.resources.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\Office16\OSPP.VBS.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientLangPack2019_eula.txt.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\7-Zip\7z.exe.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebHeaderCollection.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jcup.md.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-ul-phn.xrm-ms.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeServiceBypassR_PrepidBypass-ul-oob.xrm-ms.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\LyncBasic_Eula.txt.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOARIACAPI.DLL.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\InkObj.dll.mui.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightDemiItalic.ttf.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\jopt-simple.md.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\CHIMES.WAV.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\lt-LT\tipresx.dll.mui.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-console-l1-1-0.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-ul-oob.xrm-ms.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-ppd.xrm-ms.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.Extensions.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\giflib.md.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Grayscale.xml.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-ul-oob.xrm-ms.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OFFSYMK.TTF.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Java\jre-1.8\bin\mlib_image.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.Primitives.resources.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationTypes.resources.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationClientSideProviders.resources.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-time-l1-1-0.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\PresentationUI.resources.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.UnmanagedMemoryStream.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Xaml.resources.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.osmuxmui.msi.16.en-us.xml.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-pl.xrm-ms.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.nb-no.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.scale-100.png.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\7-Zip\Lang\id.txt.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\charsets.jar.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\oledb32r.dll.mui.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Concurrent.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Java\jre-1.8\bin\j2pkcs11.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\Office16\OSPP.HTM.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ppd.xrm-ms.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-oob.xrm-ms.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\tabskb.dll.mui.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\mshwLatin.dll.mui.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ul-oob.xrm-ms.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-black_scale-140.png.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\TabIpsps.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Formats.Asn1.dll.tmp	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.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	8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe

C:\Users\Admin\AppData\Local\Temp\8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
"C:\Users\Admin\AppData\Local\Temp\8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5020

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
55KB

MD5
807b88dd9861542b7363b98a22bf3516

SHA1
3235f4f879975c021b27b93892bedc2d1eb699f8

SHA256
6ab57a5c2480c5c20e263dea3fac69c350ff7fc885a1923b6cd3b349d702fb7d

SHA512
6c2082d97454f71dc92723b736485f5cf242673226a213d60bfc7c9909ac4aaa2307a4c9e10a13f303c39dbf4c556d54c8429288a90fcb9d8c1c40ea2e5d3305

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

Filesize
154KB

MD5
f47f82141a81f69f90904ec11d4f2e5b

SHA1
7d965536c1f7c13e777a23e1da2398eec7019c8f

SHA256
8aeae55cc3d7b792e39cefdca174915cd9d59d0a8b2c356d082a7a8a215f3f4b

SHA512
d49cc9e624880ed399dd6fc5ed062fb6f35aae653d489006b51e820c34197215f6faa3d37a54b3cffc8eefffb18f670b7c2959ae95dbceb4deb58c0c23ee84c4

Download Submit
memory/5020-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5020-920-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download