7d332c97c0e41a98f7938aa7d3c51b61d338071bf8258af1f8e86d910e0fd3d7

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
05/08/2024, 22:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1637f28850c46d5ab8187d6391e078e0N.exe
Size

56KB
MD5

1637f28850c46d5ab8187d6391e078e0
SHA1

0147ce5f0ec50647549d5ee3c5b032f605d185a8
SHA256

7d332c97c0e41a98f7938aa7d3c51b61d338071bf8258af1f8e86d910e0fd3d7
SHA512

4c7756dd8c48dcaa0d30fdbe352ce78513eca81571ebd5f51bcbb307c2f11e5b97867c5b816e522f032b18b928e0e08732f5d22b1bd55c9c34ba0303b415bd8f
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rz:V7Zf/FAxTWtn/

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4672) 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/1012-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233fa-2.dat	upx
behavioral2/files/0x000c0000000220a6-6.dat	upx
behavioral2/memory/1012-1978-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\COPYRIGHT.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\Informix.xsl.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Client.Picasso.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ja-jp.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfr.jar.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaSansRegular.ttf.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Reflection.eftx.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial.xml.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BIPLAT.DLL.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\tabskb.dll.mui.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\mesa3d.md.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\orb.idl.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-pl.xrm-ms.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DBGCORE.DLL.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\7-Zip\Uninstall.exe.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Formats.Tar.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\ReachFramework.resources.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Excel.EditorRibbon.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\ReachFramework.resources.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Grace-ul-oob.xrm-ms.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\Bibliography\BIBFORM.XML.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvStreamingManager.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Forms.resources.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-ul-oob.xrm-ms.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-ppd.xrm-ms.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.MashupEngine.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Common Files\System\ado\msader15.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationClient.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1036\MSO.ACL.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Input.Manipulations.resources.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ppd.xrm-ms.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\sqlxmlx.rll.mui.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationClientSideProviders.resources.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.resources.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\msvcp140_2.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\officeinventoryagentlogon.xml.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\rtscom.dll.mui.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaremr.dll.mui.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ppd.xrm-ms.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-white_scale-80.png.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\eu\msipc.dll.mui.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash.gif.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Retail-ul-phn.xrm-ms.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationTypes.resources.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win8_RTL.mp4.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\sbicuin53_64.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\7-Zip\Lang\ug.txt.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Xaml.resources.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCOMMON.DLL.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.Primitives.resources.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_F_COL.HXK.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\CIEXYZ.pf.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_MoveNoDrop32x32.gif.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.DataIntegration.FuzzyMatchingCommon.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\flat_officeFontsPreview.ttf.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\1033\PGOMESSAGES.XML.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.AccessControl.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationProvider.resources.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\PresentationCore.resources.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription2-ppd.xrm-ms.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-ul-phn.xrm-ms.tmp	1637f28850c46d5ab8187d6391e078e0N.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	1637f28850c46d5ab8187d6391e078e0N.exe

C:\Users\Admin\AppData\Local\Temp\1637f28850c46d5ab8187d6391e078e0N.exe
"C:\Users\Admin\AppData\Local\Temp\1637f28850c46d5ab8187d6391e078e0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1012

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

Filesize
57KB

MD5
c9341932517c1339ddc3410c70f965bf

SHA1
891602645846222fb2cbb494c862fd8860f61a10

SHA256
965a69a7ca5c0439ace1db5e1312897cbcb10e7c244c42c533756d16dcfeaff7

SHA512
779fe7c2386531be72af11763277db8f4400db14c47a21546ebb28301c77140d6c9b630b84723addb51e3fa73a671e5b7d3607a53d2464297da333703f6de3b4

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

Filesize
155KB

MD5
b67c5551236a240e392786e1e0057e6a

SHA1
03ee3550baa49d64176531f0897dd1c880c0633d

SHA256
f332ff09730f66b38154140fba6a8ae1029c95406ba1770d8c69285c82681e83

SHA512
7c7f1d0e81d4bfc0bfddb0f5801f3252e28ef4aab09c8118ee83e06921ab9e768025a33754120cb43df6dea4f844163383e38e3e99d23f4f7e9858df8b662070

Download Submit
memory/1012-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1012-1978-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download