5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3

Analysis

max time kernel
120s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 03:57

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General

Target

5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
Size

61KB
MD5

030b5817c5704e1f5c471737db210a80
SHA1

489c0e0062fc239265c328f966ce8cf320694be0
SHA256

5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3
SHA512

241bc47e37d491885b663b577f9ec13504de12ae9b6c86ac2ba17b2a3f1b35918ce5c6c614fd7b5cb0550fb3bfcf0b5914a103d37ffdd8f1ee68d97f7d41faf4
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATBApwp133EskmKQ:V7Zf/FAxTWoJJZENTBAOIfmKJfmKjO

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4629) 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/3660-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023442-2.dat	upx
behavioral2/files/0x00040000000228f4-6.dat	upx
behavioral2/memory/3660-906-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-process-l1-1-0.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ul-phn.xrm-ms.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_company.png.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ThirdPartyNotices.txt.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\mshwgst.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Principal.Windows.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.VisualBasic.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\Welcome.html.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Ion.thmx.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelCombinedFloatieModel.bin.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ko-kr.xml.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebSockets.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.ProtectedData.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ppd.xrm-ms.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\STSLISTI.DLL.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.CodePages.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-ppd.xrm-ms.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-ppd.xrm-ms.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-ppd.xrm-ms.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jawt.h.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\PYCC.pf.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-ul-oob.xrm-ms.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Uri.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Luna.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\zh-TW\msipc.dll.mui.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\rtscom.dll.mui.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcer.dll.mui.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemXml.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\PresentationUI.resources.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jdwpTransport.h.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSBARCODE.DLL.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsen.xml.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipssrb.xml.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Http.Json.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_PrepidBypass-ul-oob.xrm-ms.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ul-oob.xrm-ms.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Thread.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME.txt.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifestLoc.16.en-us.xml.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.scale-140.png.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.Primitives.resources.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\otkloadr_x64.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\thaidict.md.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-ul-phn.xrm-ms.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-ul-phn.xrm-ms.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-ppd.xrm-ms.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\minimalist.dotx.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-timezone-l1-1-0.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqlxmlx.rll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Threading.AccessControl.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\COPYRIGHT.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ru\msipc.dll.mui.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\cpprestsdk.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\WindowsFormsIntegration.resources.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2ssv.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\7-Zip\Lang\ga.txt.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationFramework.resources.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationClient.resources.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\msvcp140_1.dll.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-pl.xrm-ms.tmp	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.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	5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe

C:\Users\Admin\AppData\Local\Temp\5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe
"C:\Users\Admin\AppData\Local\Temp\5973e659ace973ba9a86d6c5e083f93a85cda64f740fe5a2cae69088e8e9deb3N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3660

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-1-5-21-2392887640-1187051047-2909758433-1000\desktop.ini.tmp

Filesize
61KB

MD5
47fab4c26d4f9745505162bb2fc69af8

SHA1
de099e1780e749d6938f803a9e240e58cd9219df

SHA256
d5452932ab6ad45cb301dfffdf0ece623075223c61e50d5a41ac8f60660c1b19

SHA512
0bb4cd009d0f629312afad257651460fe31eb97e5840cdc39964932daebe97b7f75d5459929d39da05ea0a4a040c186c13de47b371847a22348c5aeffe7e911f

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

Filesize
160KB

MD5
9b747294312051b7c2a66c3667c4b21b

SHA1
e7e7f248581cf4338fa07bbdf2177b9c970aecbe

SHA256
d8a5bd94ba1ee186687278ce0f666c43f08d6e2b5fc766b40f57eb8482de9178

SHA512
5cf1f25827048b6b3b180cf12e21481d900174feadfea86b0d809c160023e75de2bd91adba1d53a150250369faa1d76f841509b620154a3f97383186348feccd

Download Submit
memory/3660-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3660-906-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download