3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2

Analysis

max time kernel
120s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 09:09

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General

Target

3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
Size

513KB
MD5

23c0f1b5f04f12abbff000399c88161a
SHA1

da0fb20d8730c63866be91df2781467db101ab76
SHA256

3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2
SHA512

e7bea3f1a35a65256d62c73e9c8b3c48e22717b37d2ffa183dff7107005208792403d5ee32e4e82948658de920fb42fd20c03198a1a0a7c0e5bc7cddd8056149
SSDEEP

12288:WyAUbIZGNXkbvL+yAUbIZGNXkbvLpIZGNXkbvLO:WmbIZaXkbvCmbIZaXkbv1IZaXkbvS

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (2353) 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/1524-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023c60-2.dat	upx
behavioral2/files/0x0014000000022905-6.dat	upx
behavioral2/memory/1524-448-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\WindowsFormsIntegration.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationTypes.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sw.pak.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Forms.Primitives.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationCore.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.EventLog.Messages.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\WindowsBase.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\7-Zip\7z.exe.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Web.HttpUtility.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.ResourceManager.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Debug.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Emit.Lightweight.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsBase.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationProvider.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscat.xml.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsel.xml.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Concurrent.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\WindowsBase.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\hijrah-config-umalqura.properties.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Primitives.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.UnmanagedMemoryStream.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encoding.CodePages.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.Primitives.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\PresentationFramework.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\he.pak.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\LogoCanary.png.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jps.exe.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encodings.Web.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.SecureString.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\net.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msdaremr.dll.mui.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.Primitives.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Input.Manipulations.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\7-Zip\Lang\kaa.txt.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Common Files\System\ado\msadomd28.tlb.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Cng.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Primitives.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Common Files\DESIGNER\MSADDNDR.OLB.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcer.dll.mui.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Loader.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Xaml.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_CopyNoDrop32x32.gif.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RCom.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbvbs.inc.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\PresentationUI.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.DataSetExtensions.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.Win32.SystemEvents.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcp120.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Common Files\System\ado\msador28.tlb.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Common Files\System\fr-FR\wab32res.dll.mui.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\123.0.6312.123.manifest.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\classlist.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsFormsIntegration.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationUI.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\PresentationUI.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.Native.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Quic.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationUI.resources.dll.tmp	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.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	3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe

C:\Users\Admin\AppData\Local\Temp\3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe
"C:\Users\Admin\AppData\Local\Temp\3d79a1b07b9a9723aabe041e5897256f079341d821a9d338533f5575282afeb2.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1524

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-1-5-21-2045521122-590294423-3465680274-1000\desktop.ini.tmp

Filesize
513KB

MD5
4628390d332c90fc0538f3e34a9c0b46

SHA1
f421239e8301499c42358eabb697e5eb65fdf25a

SHA256
8866447e6c960d3b4a72791bf077c82fd5a4affcb408c0135ec92b8eee6ce55a

SHA512
c664bfd9185c824c080de938b7e7429e2a05cc694c1feacbfba4d6dcd061a96f70d2d68861099849d7168609f800fe1c3c4e092092066593fa521deb27a87559

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

Filesize
612KB

MD5
14398ac3294bd88aba7eadbd9d5c6a1a

SHA1
19d87d0946750cec51faf6a05704bba4765b04e3

SHA256
449285725c4bd649b32efe2e3780787f3bc4ebbfc04fb3ed286ec2346cd39f87

SHA512
47d3be308c2e54e063bba262d14f221004723ae4ca6b42993949524376b1a6c302a775afebaf10d2bead00a22d7c8554c705ab8a1f1f6c1a055d86ec3930d9a2

Download Submit
memory/1524-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1524-448-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download