77e06b622c6f9c0c3cc1775281ff42ca177dd32a01c061fb0004fc50a8646864

Analysis

max time kernel
119s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 02:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c6daf997611ca7063a3b8b89f21a8ef0N.exe
Size

53KB
MD5

c6daf997611ca7063a3b8b89f21a8ef0
SHA1

0658572b807092bea8adc6f0c6d883ad78f870ae
SHA256

77e06b622c6f9c0c3cc1775281ff42ca177dd32a01c061fb0004fc50a8646864
SHA512

3db2b98ade2999e37a96145d872c549fa4d754b4195e613c99178e37be745bf10edc5d363e77f09a1f457de89befd897cdeb3379557149dfedbb8f7d9483e018
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9B6rhbLRi1x1bLRi1x7:V7Zf/FAxTWoJJ7TOh38R38P

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4649) 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/232-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233f9-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/232-860-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Presentation.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\lt.pak.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\serialver.exe.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\Office16\OSPP.VBS.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols.xml.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\PresentationFramework.resources.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-pl.xrm-ms.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.scale-180.png.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sl-si.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\SubsystemController.man.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\ShapeCollector.exe.mui.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Json.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Storage.XmlSerializers.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Internet Explorer\de-DE\iexplore.exe.mui.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\deploy.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\dnsns.jar.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DIFF_MATCH_PATCH_WIN32.DLL.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_logo.png.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.Serialization.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\webkit.md.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-process-l1-1-0.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Drawing.Common.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Threading.AccessControl.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_PrepidBypass-ppd.xrm-ms.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymsl.ttf.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\STSLIST.CHM.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaremr.dll.mui.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-pl.xrm-ms.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Luna.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-xstate-l2-1-0.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GKExcel.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.Native.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Extensions.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\WindowsBase.resources.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\WindowsFormsIntegration.resources.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jli.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp4-ppd.xrm-ms.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.scale-100.png.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\tipresx.dll.mui.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\Microsoft.VisualBasic.Forms.resources.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\management\snmp.acl.template.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ul.xrm-ms.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_KMS_Client_AE-ul.xrm-ms.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.Common.v4.0.Utilities.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Java\jdk-1.8\release.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH.HXS.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Input.Manipulations.resources.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\WindowsFormsIntegration.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\j2gss.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_SubTrial-ul-oob.xrm-ms.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_KMS_Client-ppd.xrm-ms.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-pl.xrm-ms.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\rtscom.dll.mui.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.Win32.Registry.AccessControl.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-ppd.xrm-ms.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-ul-oob.xrm-ms.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-pl.xrm-ms.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.AnalysisServices.AdomdClientUI.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOARIACAPI.DLL.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Common Files\System\ado\msado21.tlb.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	c6daf997611ca7063a3b8b89f21a8ef0N.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	c6daf997611ca7063a3b8b89f21a8ef0N.exe

C:\Users\Admin\AppData\Local\Temp\c6daf997611ca7063a3b8b89f21a8ef0N.exe
"C:\Users\Admin\AppData\Local\Temp\c6daf997611ca7063a3b8b89f21a8ef0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:232

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

Filesize
53KB

MD5
369bbcb88ec365050195f6bbc17f0e28

SHA1
0f17e80642a465c8c5e8cba0ccda490201fded5e

SHA256
01cd4bd3a3b81537e9b35ff179c968289fe0d3a31e3e66dd77fc2b893c295c2e

SHA512
db27a989682083255e7e95658295716a95925942ed4f609542cc06a25fb1a4321b228150ecbd2cade2b6eb1215fffa452fab7556b05219ea617d069716579530

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

Filesize
152KB

MD5
1fdd10920801a6f231fabbfb969fca6b

SHA1
81d0c4646d5dd61250a50ceda7e316c1d3ecce0d

SHA256
aed2d845daf5308a24de142bde4743e41d9c4ec2146d5199f31c323ac87203f7

SHA512
8f1e429b1b970e0e21a530ee0f9b1454b0c8d7070ba64133bb25c630da7a3722e1605f29ade6edf7cb25c6389e4fa7d64cc34f10c665bc0088ddbb7583f17103

Download Submit
memory/232-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/232-860-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download