53d13369a9357acaab571471bf25cc1116379ec83373e0722af0ca2854a5af3b

Analysis

max time kernel
150s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 15:29

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General

Target

15e817f9d8feaa3a125af28a5075f3e0N.exe
Size

87KB
MD5

15e817f9d8feaa3a125af28a5075f3e0
SHA1

8f236f80a82aa31687d178dde499ab81f2d37de4
SHA256

53d13369a9357acaab571471bf25cc1116379ec83373e0722af0ca2854a5af3b
SHA512

5ba17d10253a4301d70cef0356c5b178a8deeb909bf678f0291458b7ab3cc79f35e38da5d54a1b899339fecf381caac507191a8dc5d9c5717755812530a6371e
SSDEEP

1536:V7Zf/FAxTWoJJZENTNyl2Sm0mPW3TW7JJZENTNyl2Sm0mRK5:fny1tE42DtE42o

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4872) 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/2356-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a000000023473-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/2356-846-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.VisualC.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\PresentationUI.resources.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\thaidict.md.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\xerces.md.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-ul-oob.xrm-ms.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_KMS_Client-ppd.xrm-ms.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Formatters.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Java\jdk-1.8\README.html.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemui.msi.16.en-us.xml.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-pl.xrm-ms.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\sk\msipc.dll.mui.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\WindowsBase.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\ct.sym.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL054.XML.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jvmti.h.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-ppd.xrm-ms.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\WindowsFormsIntegration.resources.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\cs.pak.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.Primitives.resources.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TipTsf.dll.mui.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.UnmanagedMemoryStream.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\[email protected]	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Trial-pl.xrm-ms.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.XLS.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\7-Zip\Lang\eu.txt.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.WindowsDesktop.App.deps.json.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\unicode.md.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-file-l2-1-0.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ul-oob.xrm-ms.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ppd.xrm-ms.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-white_scale-140.png.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PowerPointInterProviderRanker.bin.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\7-Zip\Lang\an.txt.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fi-FI\tipresx.dll.mui.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\WindowsBase.resources.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationTypes.resources.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ul-phn.xrm-ms.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSSP7FR.LEX.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledb32.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\coreclr.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoDev.png.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\MLASeventhEditionOfficeOnline.xsl.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelTellMeOnnxModel.bin.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ms-my.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Controls.Ribbon.resources.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\Welcome.html.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.DataIntegration.TransformDataByExample.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\rtscom.dll.mui.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaSansDemiBold.ttf.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Extreme Shadow.eftx.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-ul-phn.xrm-ms.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Grace-ul-oob.xrm-ms.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\CERTINTL.DLL.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoev.exe.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Numerics.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Input.Manipulations.resources.dll.tmp	15e817f9d8feaa3a125af28a5075f3e0N.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	15e817f9d8feaa3a125af28a5075f3e0N.exe

C:\Users\Admin\AppData\Local\Temp\15e817f9d8feaa3a125af28a5075f3e0N.exe
"C:\Users\Admin\AppData\Local\Temp\15e817f9d8feaa3a125af28a5075f3e0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2356

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
87KB

MD5
893b88717b74d62de3653b6537aba5fb

SHA1
b2f7786870b362103441424fd9be5f40b6b09dc6

SHA256
b9958cd8cd646991b39e20298c268ad9d6bbbe560c8eea964dfddeacd79a664c

SHA512
e883ec6696f1285d065d8db995a2629021a0107d9b1c50db24859e6882257978a76547c2b392df9cb94bc4ec13d58d1546bf369b6add4824f3879ea46b0aa128

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

Filesize
186KB

MD5
72f77f6de5ee7b606a4341a507ccdbc5

SHA1
b779baf1acfd51bbdc22b760204c6412391a0d6b

SHA256
ff1bcd521cee2ddfb4c4eb520145b67b409d9ab27d1a015f8f9d976dec635a93

SHA512
de628a2e998c8b6ac0b097c02077c8f22257b399f40eb3a4ec79c78d5f72aeae0db9bc0b1b19ccff3dcce703ef1a311ceb186b679743f300c66c885cbc5729dd

Download Submit
memory/2356-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2356-846-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download