d9b86df2ba4fc00bce88da22079663aa11b51f4f7ab4bd5f39c40860001edc9c

Analysis

max time kernel
120s
max time network
110s
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, 07:33

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General

Target

68284ad15200e73955efdbb31db06120N.exe
Size

49KB
MD5

68284ad15200e73955efdbb31db06120
SHA1

6c8701bdcf411e9d9869516c0f638ba82171a5c6
SHA256

d9b86df2ba4fc00bce88da22079663aa11b51f4f7ab4bd5f39c40860001edc9c
SHA512

6c88d31cf0d91c93dfb8b9b81eb1332e60d7f05b2f64d7542e0e3dbf22ae6e4e8975927cad7a491b8cc553a5e6afc473e365e2d14c4696408c8a6eb9940b3b7b
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9MFxFk:V7Zf/FAxTWoJJ7TD

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4641) 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/3888-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002349f-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/3888-978-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcp140.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.CoreLib.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_MAK-ul-phn.xrm-ms.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\dotnet.exe.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Windows.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Interop.MSDASC.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.scale-180.png.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationTypes.resources.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\joni.md.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Drawing.Common.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ppd.xrm-ms.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-180.png.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\splash_11-lic.gif.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-ppd.xrm-ms.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-pl.xrm-ms.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.scale-140.png.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationUI.resources.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.Primitives.resources.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ul.xrm-ms.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ul-phn.xrm-ms.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.Query.NetFX35.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-pl.xrm-ms.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-pl.xrm-ms.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\BREEZE.WAV.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoia.exe.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.TypeConverter.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Algorithms.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\PresentationFramework.resources.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-localization-l1-2-0.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-ppd.xrm-ms.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FilterModule.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Presentation.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Internet Explorer\images\bing.ico.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-namedpipe-l1-1-0.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.WindowsAzure.StorageClient.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\TAG.XSL.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.DiaSymReader.Native.amd64.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\Microsoft.VisualBasic.Forms.resources.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Internet Explorer\hmmapi.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-ul-phn.xrm-ms.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART8.BDR.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\ReachFramework.resources.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunec.jar.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ul-oob.xrm-ms.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ppd.xrm-ms.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXT.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-white_scale-180.png.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7wre_fr.dub.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\Content.xml.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\et-EE\tipresx.dll.mui.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Cng.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHPHN.DAT.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sawindbg.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Client\C2R32.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\et\msipc.dll.mui.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_F_COL.HXK.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.Win32.Registry.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\FUNCRES.XLAM.tmp	68284ad15200e73955efdbb31db06120N.exe
File created	C:\Program Files\Java\jre-1.8\lib\management\snmp.acl.template.tmp	68284ad15200e73955efdbb31db06120N.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	68284ad15200e73955efdbb31db06120N.exe

C:\Users\Admin\AppData\Local\Temp\68284ad15200e73955efdbb31db06120N.exe
"C:\Users\Admin\AppData\Local\Temp\68284ad15200e73955efdbb31db06120N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3888

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-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp

Filesize
49KB

MD5
31c1e7b86f9e7a1ba4a52a0340e7dd51

SHA1
8762c31451de3982d0176ef486686e1995344eaa

SHA256
e2735a54b6aa6e6e28bfa9caa0cd0460154d8b01a6ed4435e4591c2ed6cbd23a

SHA512
0f33eeca368e489e200997ad1efd25b0e42cbb85bf2062e6e812e9e0bdcd6ad8f3d28a36d860c7e56c713a20e4613a6aa354f9f339dea63ab78b6e1a712eeee0

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

Filesize
148KB

MD5
1ef9941ca8c62cdc1f8c6d9f73f6e7fb

SHA1
d6532d1f4a6e665490873d880859694c23582da8

SHA256
cb64fab697378992a7a7e9da2115a03b58c09198b35654c9243be4fc4f28e217

SHA512
e374f2f5c51be6c7978c37fa0dd6de04a88b13d033428e164a2e5d3b59e698e1da0831980d8aa43b43f80a4fed1d37c1d72338bae2bbc7fc42ab71d0365beb7c

Download Submit
memory/3888-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3888-978-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download