7f16ce8678ccc9b6e83faa68011074a49abe808300c302fbbe73cf73ca474128

Analysis

max time kernel
120s
max time network
104s
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, 18:25

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General

Target

3eb45fb3de1202c754e6f1d4a5605010N.exe
Size

53KB
MD5

3eb45fb3de1202c754e6f1d4a5605010
SHA1

0aa19ea3ff6bad4b184f4ccbc9b116c94ff4d939
SHA256

7f16ce8678ccc9b6e83faa68011074a49abe808300c302fbbe73cf73ca474128
SHA512

bf45930dcf6b1002f32ee6403e202029cc9fb323b7048be4e2d519305ef92b5064764c01efd4b89ebd3535da97d683b6e490d2669bc3b9e55e18bd705cd91883
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNyHF/MF/HggD5J:V7Zf/FAxTWoJJZENTNyl2aPM

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (2961) 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/2528-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002346d-2.dat	upx
behavioral2/files/0x0014000000022946-6.dat	upx
behavioral2/memory/2528-1708-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ko-kr.xml.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationFramework.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\xalan.md.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\net.properties.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationCore.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.proofing.msi.16.en-us.xml.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-pl.xrm-ms.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\7-Zip\readme.txt.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.Linq.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Internet Explorer\en-US\hmmapi.dll.mui.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\PresentationFramework.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationFramework.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\WindowsBase.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaprsr.dll.mui.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Formats.Asn1.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\es-ES\msinfo32.exe.mui.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\mesa3d.md.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.cab.cat.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\ea.xml.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\sqlxmlx.rll.mui.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Xaml.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationCore.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Internet Explorer\en-US\iexplore.exe.mui.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Internet Explorer\SIGNUP\install.ins.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME.txt.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ul.xrm-ms.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.Primitives.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationTypes.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationClientSideProviders.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Xaml.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSM.OSM.x-none.msi.16.x-none.xml.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationClientSideProviders.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jvm.hprof.txt.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ThirdPartyNotices.MSHWLatin.txt.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordaccore.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Installer\setup.exe.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ul-phn.xrm-ms.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\7-Zip\Lang\es.txt.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.DiagnosticSource.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clretwrc.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Mail.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.InteropServices.JavaScript.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Xaml.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.h.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash.gif.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-util-l1-1-0.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\xmlresolver.md.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunpkcs11.jar.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Retail-pl.xrm-ms.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Controls.Ribbon.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Design.Editors.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\dt.jar.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Retail-ppd.xrm-ms.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\WindowsBase.resources.dll.tmp	3eb45fb3de1202c754e6f1d4a5605010N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe.tmp	3eb45fb3de1202c754e6f1d4a5605010N.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	3eb45fb3de1202c754e6f1d4a5605010N.exe

C:\Users\Admin\AppData\Local\Temp\3eb45fb3de1202c754e6f1d4a5605010N.exe
"C:\Users\Admin\AppData\Local\Temp\3eb45fb3de1202c754e6f1d4a5605010N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2528

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-1-5-21-47134698-4092160662-1261813102-1000\desktop.ini.tmp

Filesize
53KB

MD5
8f2b5c57a0f2e929858f7963e0f3852b

SHA1
3913dee867231dd01e2e064c7e95fa698c011c5f

SHA256
3e0c9fa81b3c656bff353a414fc3d559ff5a9d57cb6188d87fff96bae8440afc

SHA512
a932dd9ac57baad5bac338709116479d565d1f2b00d37550698d976639b18cf772fb2c0153ff4527226ff5684ff82756b50dda9ffe16709f999ffc2c54d688be

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

Filesize
152KB

MD5
aed378f11c01fa4786f95742082109b6

SHA1
be780371e7c9908fe89a7cea775df7aa4a29d04e

SHA256
ee601d61dd4f2fe0dc14d6fd7d3f392c3528f1b8ca473c73d6c4a1c78a32116b

SHA512
15c51dffb01568ef82d7873c1bdc64622443f3aafb6f562ddf1709c01a7831262da4b644b6ee9d33408e365169de366ff92911e29a4011fb43193e4662451de4

Download Submit
memory/2528-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-1708-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download