4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68c

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 06:44

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General

Target

4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
Size

141KB
MD5

c9ec3a35e50bab71e4b1a66312f4c560
SHA1

525c49bb63dd97bca819d4af48c001163679115b
SHA256

4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68c
SHA512

df9b8c8405b2a0e96bd9ec736a902a3f6f97625df570d150d350460a63f00af58268c3e12f7969fcc74eb68e3998611c0db1133bb9ccf8711ab3af747b0376c5
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8IZTrQOv/i+vrA+SCm7x1wzz:fnyiQSo7Z7ni+9m7x1wzz

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4321) 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/4820-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233b3-2.dat	upx
behavioral2/files/0x0008000000023417-6.dat	upx
behavioral2/memory/4820-806-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\nn.txt.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Common Files\microsoft shared\VC\msdia100.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-pl.xrm-ms.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Trial-ul-oob.xrm-ms.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-environment-l1-1-0.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\micaut.dll.mui.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-handle-l1-1-0.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationTypes.resources.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Internet Explorer\es-ES\ieinstal.exe.mui.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ul-phn.xrm-ms.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationClientSideProviders.resources.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Cambria.xml.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-ul-oob.xrm-ms.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Common Files\System\msadc\msdarem.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Java\jre-1.8\bin\jli.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessDemoR_BypassTrial365-ppd.xrm-ms.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Buffers.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\D3DCompiler_47_cor3.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\limited\local_policy.jar.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Java\jre-1.8\bin\javacpl.cpl.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-pl.xrm-ms.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\loc\AppXManifestLoc.16.en-us.xml.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libxml2.md.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy.jar.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Grace-ul-oob.xrm-ms.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial4-pl.xrm-ms.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationUI.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Gothic-Palatino Linotype.xml.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\Classic.dotx.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\Informix.xsl.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\ISO690Nmerical.XSL.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsplk.xml.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-localization-l1-2-0.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\thaidict.md.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.AdHoc.Excel.Client.Entry.Interfaces.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\msdasqlr.dll.mui.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.DataContractSerialization.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\bci.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Green Yellow.xml.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\STSLIST.CHM.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.AddinTelemetry.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Georgia.xml.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\Default.dotx.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrusash.dat.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Principal.Windows.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\mesa3d.md.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\bwcapitalized.dotx.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\sqlxmlx.rll.mui.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationClientSideProviders.resources.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\t2k.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Java\jdk-1.8\lib\javafx-mx.jar.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.ProviderShared.dll.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\localedata.jar.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ppd.xrm-ms.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-ppd.xrm-ms.tmp	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.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	4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe

C:\Users\Admin\AppData\Local\Temp\4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe
"C:\Users\Admin\AppData\Local\Temp\4947327436dca96bfd56fc4b7d258d319ed5c1dabdc000875c8b06b1638be68cN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4820

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-1-5-21-2718105630-359604950-2820636825-1000\desktop.ini.tmp

Filesize
141KB

MD5
619ce79600703c0f1d07acfff60be22c

SHA1
becd419ba664078a47cdea0f2686c4a40357342d

SHA256
d699bf8d087c2888c58e89eb10a79ee5f0d047c4da01822e6a1fb5c2642266fe

SHA512
316bdaeaf0d181bc5316aa967eba6ce40fe1d7a21f04f53af6f9e8aa02b0f3ed95d72c34120f047a081633cdc1361612df2fca5a19a262b09a8616325abcbebb

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

Filesize
240KB

MD5
745a710627bbfd02c59809b187611254

SHA1
88816e9ca855538bb59c1da78ee2abbb6c3664c0

SHA256
4d92cdaeea3c78b103181cac91a802367351cfac4ff503ab1eebe18f0d47e2b7

SHA512
f57abcd1dc6224a84316be79002100bc984ecc60fa8f06bf0a558b05b89ebce1d7c5776fa7f35ebe0df34ab5724cc34e03c8ff7c7165fce8aedede64abccfbac

Download Submit
memory/4820-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4820-806-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download