f3a876c8eda5d37f9c53551659631410cde4de9871c9677e0d5fa06d4bafa194

Analysis

max time kernel
120s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 08:03

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General

Target

2bcc309410de908bc20a5fbbe78aac00N.exe
Size

21KB
MD5

2bcc309410de908bc20a5fbbe78aac00
SHA1

e62c33e369a80e4926c4c9bc45e120446192fa32
SHA256

f3a876c8eda5d37f9c53551659631410cde4de9871c9677e0d5fa06d4bafa194
SHA512

5deb09780500e9231b06a39e2d016b438c28f73c3c8c53beea504a894394d64415cd28772dd0181cc566b3204dd6ae94f215e1b9c8ea8be059bc403e673d5101
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJcbQbf1Oti1JGBQOOiQJhAT17FoUdOiJfoUdOiJGNk:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJq

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4723) 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/1716-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233fa-2.dat	upx
behavioral2/files/0x000c0000000220a6-6.dat	upx
behavioral2/memory/1716-1013-0x0000000000400000-0x000000000040A000-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.IO.Compression.FileSystem.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Forms.Design.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jce.jar.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-ul-phn.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\InputPersonalization.exe.mui.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\it-IT\msinfo32.exe.mui.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Memory.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.Design.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ppd.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Primitives.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\ReachFramework.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Xaml.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\PresentationCore.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-ppd.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AugLoop\third-party-notices.txt.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationProvider.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Input.Manipulations.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\Microsoft.VisualBasic.Forms.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\wpfgfx_cor3.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_KMS_Client-ul-oob.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\7-Zip\7-zip32.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\7-Zip\Lang\uz-cyrl.txt.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationTypes.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ul-oob.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ul-oob.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Trial-pl.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\DRUMROLL.WAV.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-file-l2-1-0.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscordbi.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationCore.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Retail-ul-oob.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-ul-oob.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Timer.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-interlocked-l1-1-0.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\ecc.md.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-stdio-l1-1-0.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-oob.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\PresentationUI.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\ReachFramework.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\msvcp140.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Trial-ppd.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ppd.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONLNTCOMLIB.DLL.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\PresentationCore.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationProvider.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Java\jre-1.8\bin\vcruntime140_1.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ppd.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-namedpipe-l1-1-0.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ppd.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Cng.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsFormsIntegration.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Retail-ppd.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\BOMB.WAV.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\zipfs.jar.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\webkit.md.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ppd.xrm-ms.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\CT_ROOTS.XML.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\7-Zip\7zFM.exe.tmp	2bcc309410de908bc20a5fbbe78aac00N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp	2bcc309410de908bc20a5fbbe78aac00N.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	2bcc309410de908bc20a5fbbe78aac00N.exe

C:\Users\Admin\AppData\Local\Temp\2bcc309410de908bc20a5fbbe78aac00N.exe
"C:\Users\Admin\AppData\Local\Temp\2bcc309410de908bc20a5fbbe78aac00N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1716

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-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

Filesize
21KB

MD5
97754ab1c6058f7f5d910077f8fce338

SHA1
c3ceb0a2c75767c91c8411d63eb79ad2b923a377

SHA256
920451515b089255534cf1c01c6f31f51f491a63e5bc80ccdc7baef23cb14d33

SHA512
49ce4bbc6f8c6a9c87a02fa40b0e4c62a65a5c14c334e1b9a4e2a46f5c774c13d3dcdbb08d08086539d109fb572c34e240937cd7a94478f30925ae078346f35a

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

Filesize
120KB

MD5
1bc04679637e1c76b66e3cf1403da538

SHA1
10f5cc4f79982e009842ac7553f41b1b34e1dfe1

SHA256
38d2553c313084e779c7e61b302de7d5f2ce8affe23df98a8eef2e407d6c8256

SHA512
ee8197478320372eea222500fbf894704f82505421fad10a67a761b4605db0db144c4bb24a07e07d432183e4ff5f4131c05c1d6eb6a42bb72965d00ac7b0ad16

Download Submit
memory/1716-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1716-1013-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download