8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445

Analysis

max time kernel
150s
max time network
124s
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, 03:24

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General

Target

8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
Size

1.1MB
MD5

e0b4ea2100614c387831754f78610a5c
SHA1

3462cf50d4b6fe4fce6a368ad4318b43444a046b
SHA256

8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445
SHA512

8108e4cb8a137d6f46859b2b9bcb3980d565911462292ce777b9f6a1eedce986fbb6c671ae3c5c04df1d665f4fc144f633e937da431d0061966be32f54f5b29e
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9lBT37CPKKL:V7Zf/FAxTWoJJ7TdTWB

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (2089) 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/796-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002346f-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/796-336-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\ado\ja-JP\msader15.dll.mui.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Resources.ResourceManager.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Primitives.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\PresentationUI.resources.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Permissions.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\mshwLatin.dll.mui.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsdan.xml.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Resources.ResourceManager.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Extensions.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Transactions.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationProvider.resources.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.cs-cz.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscorlib.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\ReachFramework.resources.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationCore.resources.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.OpenSsl.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemXml.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Presentation.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\glass.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-debug-l1-1-0.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationFramework.resources.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Formats.Tar.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\ReachFramework.resources.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.Pkcs.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\concrt140.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Xaml.resources.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationTypes.resources.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.exe.sig.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ru.pak.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipshe.xml.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdasqlr.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\clrjit.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.InteropServices.JavaScript.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationTypes.resources.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.uk-ua.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Http.Json.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationTypes.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.resources.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.Xml.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\prism_sw.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Java\jdk-1.8\jmc.txt.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvVirtualization.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Common Files\System\ado\msadomd28.tlb.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationClient.resources.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\7-Zip\Lang\ga.txt.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationFramework.resources.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\hi.pak.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Configuration.ConfigurationManager.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-handle-l1-1-0.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msdaremr.dll.mui.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-synch-l1-2-0.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Json.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Primitives.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationUI.resources.dll.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fil.pak.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_kor.xml.tmp	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.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	8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe

C:\Users\Admin\AppData\Local\Temp\8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe
"C:\Users\Admin\AppData\Local\Temp\8a90fcba327f268be0eeacea2623ac551aea560a5c009f284c125b73b363e445.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:796

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-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
1.1MB

MD5
2ad6db4ef21ab46ce2dd8939edfb457f

SHA1
d17182e01f1bfd97016f3862b7804f336c02e6d5

SHA256
4d24ec089b7fbccc970eecdae9cdd449c255d33c74bbd3eed1ec3fd6bbaf59ea

SHA512
6856655097fb03b6bb53fcc74dfe896537fdc30ddeb2587db3c0fd9e24dc15b226ca7e4c7f6c978594d10759fc20460bcf75affcef25a604255aade3d0bfae32

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

Filesize
1.2MB

MD5
5cb4f522b54b022569fc4132e5d72c9e

SHA1
629bd1201e5dd25ec89e46be7a5345dd6a2f7938

SHA256
82a27c99002b15e63bd4133a36c054809e48937694d456432ee3c52a3fdac6bd

SHA512
207dcfd8520e330c087db7dadd70928ae7a41b92df10f8773f9776276ffd8d6dd266fc1d5154213d4d44604784664d212d6459babc470ea98620e9ceadd0f302

Download Submit
memory/796-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/796-336-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download