15d309141ca995ed2f3bce4a1670126b30e96f5b1c670ccaf8a0a837235d34fb

Analysis

max time kernel
120s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 22:10

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General

Target

5edd1d2fc7d6e26330276823a57937b0N.exe
Size

460KB
MD5

5edd1d2fc7d6e26330276823a57937b0
SHA1

59147e8871beb0a5a219855d2db9a5d4e3d34cb2
SHA256

15d309141ca995ed2f3bce4a1670126b30e96f5b1c670ccaf8a0a837235d34fb
SHA512

32c4e3761a312da70236792ba65267f9ff7502e47e245a981f19eaaed54f1097a12dec82bfb7f2602f84135eebd47bde0e05f635694ad72f41f7936f95589975
SSDEEP

12288:VQtxgNUhiHOR4LucvSFSrux88ndNtJXzLFziN:VI8UhiHOeE8rin3thLu

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (2507) 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/5108-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002346a-2.dat	upx
behavioral2/files/0x001400000002291a-7.dat	upx
behavioral2/memory/5108-1248-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.resources.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.CodeDom.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Input.Manipulations.resources.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\ThirdPartyNotices.txt.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\ca.pak.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClientSideProviders.resources.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\7-Zip\Lang\sk.txt.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\AddRemove.rle.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hi-in.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ServiceProcess.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jsdt.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msadcor.dll.mui.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-stdio-l1-1-0.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Buffers.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationNative_cor3.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11wrapper.md.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.Win32.SystemEvents.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\tzmappings.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\7-Zip\Lang\vi.txt.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationProvider.resources.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\WindowsFormsIntegration.resources.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsBase.resources.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationClientSideProviders.resources.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jpeg.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\prism_common.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Design.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.resources.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\ru.pak.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-memory-l1-1-0.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_CN.properties.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jfr.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore_amd64_amd64_7.0.1624.6629.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Primitives.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Design.resources.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\ktab.exe.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Sockets.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationUI.resources.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\vcruntime140_1.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tpcps.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Common Files\System\uk-UA\wab32res.dll.mui.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\CompleteCopy.docx.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-datetime-l1-1-0.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.IsolatedStorage.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\trusted.libraries.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\cldr.md.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\hprof.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.Design.resources.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Controls.Ribbon.resources.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\sk.pak.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\baseAltGr_rtl.xml.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Csp.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\ReachFramework.resources.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Printing.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemXmlLinq.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationCore.resources.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\ReachFramework.resources.dll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\lt.pak.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\InkObj.dll.mui.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqlxmlx.rll.tmp	5edd1d2fc7d6e26330276823a57937b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\.version.tmp	5edd1d2fc7d6e26330276823a57937b0N.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	5edd1d2fc7d6e26330276823a57937b0N.exe

C:\Users\Admin\AppData\Local\Temp\5edd1d2fc7d6e26330276823a57937b0N.exe
"C:\Users\Admin\AppData\Local\Temp\5edd1d2fc7d6e26330276823a57937b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5108

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
461KB

MD5
e0ac684e44ac26bb328fa5442f7fe72c

SHA1
7e166778650c513adfeb5085e7ced469d664d44a

SHA256
bfdb9d653c4498af3be79f9f6f539ddfedc8cded3f2a2fa783883029b0e94532

SHA512
d9a303b8fac446aa514382771a8765f0f1840d47d3721d168f3f4b902157302a2def5782536a5b3dcd90677fca0f2374e19e45845d04941a900b20ed9fb5326c

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

Filesize
559KB

MD5
e3f360ad00784b1a24646018e796b077

SHA1
0f7d3920eeb4d35228a8a60e6e070e95df026259

SHA256
547b324461843af51bf7f60eff4054aa6740f0e18841b5dda55b34fcd46d4c81

SHA512
dfbf0e392bdcbc4b2b1a00b66b904a11769a3227608c3596874c33fe6025aceb37a8f892f7a9ce40694d3fee758fd825ee442d8047a8cb54dbfcc62653d16c05

Download Submit
memory/5108-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5108-1248-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download