067e763c4e9a1e49aed4e3208dd41c9dc7e932e2a4056f3b249ad460ca256ea8

Analysis

max time kernel
120s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2024 07:35

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General

Target

dfcf22f84dedd3943699ac38947747e0N.exe
Size

838KB
MD5

dfcf22f84dedd3943699ac38947747e0
SHA1

0dbadf60e81e94e6e17680d86153be27288e07f0
SHA256

067e763c4e9a1e49aed4e3208dd41c9dc7e932e2a4056f3b249ad460ca256ea8
SHA512

fd8eeb371653f2c9f8e5858f8567308e344f95628e5f1cbedb40d5cc170241544da4530922946293fac7ce174b1182146178320273b0887713f8c86f8777e0ea
SSDEEP

24576:ShV56pKEBhC8iVXrWgqAipHsceoiBX3X+W+k:SV5UPmZrAHfiBHX+Wh

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (2044) 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/224-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023447-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/224-420-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\keypadbase.xml.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Extensions.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationTypes.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\vcruntime140_cor3.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoBeta.png.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hi-in.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sk-SK\tipresx.dll.mui.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.Win32.Primitives.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Resources.Writer.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Primitives.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-string-l1-1-0.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\decora_sse.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\sqloledb.rll.mui.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-debug-l1-1-0.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Xaml.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\D3DCompiler_47_cor3.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Internet Explorer\sqmapi.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\rtscom.dll.mui.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Core.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.Serialization.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Forms.Primitives.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.CSharp.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Claims.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Forms.Design.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.UnmanagedMemoryStream.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.MemoryMappedFiles.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Requests.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Xaml.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\gu.pak.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationProvider.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l2-1-0.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\7-Zip\Lang\pt-br.txt.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Numerics.Vectors.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.Design.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationTypes.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Input.Manipulations.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\7-Zip\License.txt.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Configuration.ConfigurationManager.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationTypes.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msadcer.dll.mui.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationTypes.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.IO.Packaging.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.AeroLite.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Forms.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\7-Zip\Lang\fy.txt.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.et-ee.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\ja-JP\msinfo32.exe.mui.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-timezone-l1-1-0.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationClientSideProviders.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\msvcp140.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.Native.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\ReachFramework.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tabskb.dll.mui.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Principal.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationTypes.resources.dll.tmp	dfcf22f84dedd3943699ac38947747e0N.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	dfcf22f84dedd3943699ac38947747e0N.exe

C:\Users\Admin\AppData\Local\Temp\dfcf22f84dedd3943699ac38947747e0N.exe
"C:\Users\Admin\AppData\Local\Temp\dfcf22f84dedd3943699ac38947747e0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:224

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-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

Filesize
838KB

MD5
7f9322ca3e1d7481ed4e81e4b9f6637d

SHA1
921c142fa3bbcc8392e362d8f1050a741a417107

SHA256
1dc533c852cb6bd4ed037ee2ba8813e03e0e535a839901cce4eabc374b602490

SHA512
cedff1ac8fcc9e00e92a4fad85b43893c6dd3e4ec15d309a3869c196bcb5ac259f153c7851a3ad514b6b6c2255e7897e392fd8671272031da8a4fa3abd18bf60

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

Filesize
937KB

MD5
537b2b5d6326c2efe2f593f138784dfd

SHA1
681ba5f73de0b691480509739d033bbdf992beef

SHA256
30142747528465c85119f0c6121ef37e9b1eff07e36143b122337cdcb78536ef

SHA512
5bf0882f11d3d6b48aa4932979c6ef6f1da1aa81d4ec8ff3e7f3e67a9b887e6d0137049c83ce244e0ec0dd01c424c243f27087a97826c496b6fe0328d5aaa22e

Download Submit
memory/224-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/224-420-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download