2fa513601237d03c7059cb8b55c8b3e0e5005a76fe5b6ee8a4405fdbcf57f350

Analysis

max time kernel
120s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27-07-2024 10:38

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General

Target

b7e846950b4568bf2b1b79a5ca8ddd80N.exe
Size

35KB
MD5

b7e846950b4568bf2b1b79a5ca8ddd80
SHA1

42ce3f4e47971215bfc3226f362a5b76de731685
SHA256

2fa513601237d03c7059cb8b55c8b3e0e5005a76fe5b6ee8a4405fdbcf57f350
SHA512

b02b220297f82c2d3f2d706294e1d01dad378b42d0b936b74b7536d604e11561c23a8b807d44e791e835b0278a246413cce992d6e2aba197eb05cb6da9846e24
SSDEEP

384:GBt7Br5xjL9AgA71Fbhv7bhvYYjYHbJQJbwXK5c54p:W7BlpppARFbhjbhQYjY94OK5c54p

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (1480) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Xaml.resources.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipshi.xml.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.UnmanagedMemoryStream.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\hostpolicy.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.ReaderWriter.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Specialized.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.FileSystem.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.Linq.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.UnmanagedMemoryStream.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\sqloledb.rll.mui.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Drawing.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.NetworkInformation.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Security.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.CSharp.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.ServicePoint.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Forms.resources.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Forms.Primitives.resources.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\7-Zip\Lang\mk.txt.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\ServiceWatcherSchedule.xml.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msdaremr.dll.mui.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Xaml.resources.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XDocument.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\mshwLatin.dll.mui.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsrom.xml.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\VGX\VGX.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\System\ado\msado21.tlb.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Pipes.AccessControl.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\ReachFramework.resources.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-private-l1-1-0.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ms-my.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\SubsystemController.man.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\InputPersonalization.exe.mui.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Forms.resources.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\InputPersonalization.exe.mui.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-conio-l1-1-0.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebProxy.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l1-1-0.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-localization-l1-2-0.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Web.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.Client.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\Alphabet.xml.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsita.xml.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\rtscom.dll.mui.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Process.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encoding.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\ucrtbase.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.NETCore.App.deps.json.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Controls.Ribbon.resources.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-time-l1-1-0.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.Concurrent.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-utility-l1-1-0.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Forms.Design.resources.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Principal.Windows.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Input.Manipulations.resources.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.Common.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\Common Files\System\ado\en-US\msader15.dll.mui.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Emit.Lightweight.dll.tmp	b7e846950b4568bf2b1b79a5ca8ddd80N.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	b7e846950b4568bf2b1b79a5ca8ddd80N.exe

C:\Users\Admin\AppData\Local\Temp\b7e846950b4568bf2b1b79a5ca8ddd80N.exe
"C:\Users\Admin\AppData\Local\Temp\b7e846950b4568bf2b1b79a5ca8ddd80N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4848

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-1-5-21-2990742725-2267136959-192470804-1000\desktop.ini.tmp

Filesize
35KB

MD5
9cfe60b2a50c23b25f3847e6af3f21fc

SHA1
c8228be91928d9e3b5bbf2e93d0692097f42278b

SHA256
984955c727becbb0bc735f906e81fe28e29b6c081f32514a4c6fe65ab15f1e3c

SHA512
6e181c09c566c66bd8015f958f4607afea8d836a9525f1c04a1f11cae3e9314bbe9a8495247da063e196d52931cd1f70257cb146c9cc4f82423c3ab2f34c08f7

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

Filesize
134KB

MD5
fe7d0d695b83f5351a089405f7bdaeb1

SHA1
9aea5f4069865aad469b5373bc382394dbc8989f

SHA256
9d2f3595575a06c8f63df696212932450a0b56f94e6b9d1b4a93485441bade8c

SHA512
e15f522de07b8bbba27c14398bdd8b862a1a120f4c4846a8b7a95b11091bd9d959d47301e8be14605a275224729f3109e3f47f48e8f9f68d621d297fbb805dcd

Download Submit