b179118be5268a627c5d0fbcd90c5006de5ed8c2dd42214709de11380e542434

Analysis

max time kernel
120s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 12:36

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General

Target

8942320422a09b7befc8a65180ab13f0N.exe
Size

1.1MB
MD5

8942320422a09b7befc8a65180ab13f0
SHA1

f3b3ce5126610e014d93eca12c2aad281bbe8b6c
SHA256

b179118be5268a627c5d0fbcd90c5006de5ed8c2dd42214709de11380e542434
SHA512

7b69b23a79e82de07c91bc4ca0af03c19622e8753a15a9fbe510564b44e761b54cd6c437441c4f34825d3968461159e8e8ac15be3ee16922691e3d8847827e15
SSDEEP

6144:K3tt+TDRDfhDizL95yO/j1/YcGzbOpkBRDZUVu8Oh1gsDCvijbEas6VjZW1Ugl:Af+BDfhmzLnyO/j1/tUSpknOVxsgZWgl

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (1733) 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/4936-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002346c-2.dat	upx
behavioral2/files/0x000c0000000220a6-6.dat	upx
behavioral2/memory/4936-348-0x0000000000400000-0x000000000040B000-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	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationTypes.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqlxmlx.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Loader.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationTypes.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.Messages.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ro-RO\tipresx.dll.mui.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\System\it-IT\wab32res.dll.mui.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationTypes.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\PresentationUI.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Luna.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Presentation.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationUI.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\mshwLatin.dll.mui.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\tipresx.dll.mui.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationTypes.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.VisualBasic.Forms.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationProvider.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\7-Zip\Lang\sv.txt.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\baseAltGr_rtl.xml.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\clretwrc.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.Xml.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationTypes.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\ReachFramework.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.Primitives.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Sockets.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Xaml.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\WindowsFormsIntegration.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msdaprsr.dll.mui.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-runtime-l1-1-0.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l1-2-0.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.pl-pl.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrusash.dat.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.CSharp.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationProvider.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationClient.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Primitives.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\sqlxmlx.rll.mui.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\System\uk-UA\wab32res.dll.mui.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Xaml.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\mshwLatin.dll.mui.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Primitives.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsBase.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Forms.Primitives.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\tabskb.dll.mui.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\System\ado\adovbs.inc.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Numerics.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\ReachFramework.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Input.Manipulations.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\7-Zip\7-zip.chm.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\7-Zip\Lang\ta.txt.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.cs-cz.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\Microsoft.VisualBasic.Forms.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Transactions.Local.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Forms.Design.resources.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVFileSystemMetadata.dll.tmp	8942320422a09b7befc8a65180ab13f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscsy.xml.tmp	8942320422a09b7befc8a65180ab13f0N.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	8942320422a09b7befc8a65180ab13f0N.exe

C:\Users\Admin\AppData\Local\Temp\8942320422a09b7befc8a65180ab13f0N.exe
"C:\Users\Admin\AppData\Local\Temp\8942320422a09b7befc8a65180ab13f0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4936

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-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

Filesize
1.1MB

MD5
348a92de23ed0ddb19c506227a8b8af6

SHA1
6086f43bc16f0fe072cf4e0f8610ecded1d13031

SHA256
98c50cbb395626d224e80c416899a5bee71556a5931f17e83e2464ee586cc687

SHA512
2fdca33a3288b4a971231972ebae59457193f0fd985a58f0ca9565d33e423e91d82231a2d903617cc64c14a54aa11d7c42d74faf1e66589dc6c4b8013c91e02a

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

Filesize
1.2MB

MD5
82e5bfc4992b4cca358f72dc6870ca63

SHA1
12e8e63e59c53015ed65fd8eb04b3622db2c4111

SHA256
6955d51dd34c842a52718073db972444a6dec80eea74f9ca80fbca26ba249b63

SHA512
b5059ca9a5859d2642e35ed02ed9dc812bf6cb9b1c992c33ed62936f0c27b550cfdff74c17f57bb306d0695149634c2154922c52d65f7ca906ecea4e1f82cd8c

Download Submit
memory/4936-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4936-348-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download