e6975448c999af4559bef41a38293019abded7d6283685b058029ce292e8edc8

Analysis

max time kernel
120s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 19:23

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General

Target

fd7bf111acde4611ea2c1823d54bdad0N.exe
Size

71KB
MD5

fd7bf111acde4611ea2c1823d54bdad0
SHA1

e6cc85b08efea4430458d7022399dcfdf5f2914d
SHA256

e6975448c999af4559bef41a38293019abded7d6283685b058029ce292e8edc8
SHA512

be4449e56d5b81734fa55e0bd220640f08fbdaa80a2166cf250fba000b160427856595678dab6947209bd5c9b250980a786bc09e4413966775971ee838fe13e9
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9ABT37CPKKdJJ1EXBwzEN:V7Zf/FAxTWoJJ7TsTW7JJ7TY

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4611) 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/3056-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023456-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/3056-850-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Common.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\msdasqlr.dll.mui.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.Design.resources.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationClientSideProviders.resources.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemXmlLinq.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_es.properties.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\management-agent.jar.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\DATATRANSFORMERWRAPPER.DLL.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-ul-oob.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\netstandard.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.ServicePoint.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Json.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationClient.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial-ul-oob.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-ppd.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_SubTrial-ppd.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Grace-ppd.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\7-Zip\Lang\mn.txt.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ul-oob.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Common Files\System\ado\msado21.tlb.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Printing.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\ReachFramework.resources.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-pl.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Document.XmlSerializers.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-180.png.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\WindowsFormsIntegration.resources.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-ppd.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-ul-oob.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-ppd.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.BackEnd.XmlSerializers.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\vccorlib140.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\keypadbase.xml.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.MemoryMappedFiles.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsBase.resources.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-pl.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TelemetryLog.xltx.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TellMeOneNote.nrr.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-environment-l1-1-0.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-stdio-l1-1-0.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\SOLVER\SOLVER32.DLL.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationUI.resources.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-ul-oob.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\mshwLatin.dll.mui.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Extensions.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsFormsIntegration.resources.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.he-il.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.VisualBasic.Core.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\dtplugin\npdeployJava1.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\cmm\PYCC.pf.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.Reader.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.NETCore.App.runtimeconfig.json.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Input.Manipulations.resources.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\eventlog_provider.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ul-phn.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ul-phn.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ppd.xrm-ms.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.Primitives.resources.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationFramework.resources.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\WindowsBase.resources.dll.tmp	fd7bf111acde4611ea2c1823d54bdad0N.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	fd7bf111acde4611ea2c1823d54bdad0N.exe

C:\Users\Admin\AppData\Local\Temp\fd7bf111acde4611ea2c1823d54bdad0N.exe
"C:\Users\Admin\AppData\Local\Temp\fd7bf111acde4611ea2c1823d54bdad0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3056

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
71KB

MD5
46cc82b886497a04cd2a0bc35f1537ad

SHA1
2efc085286603d6653a1393d94e69541f3655f6e

SHA256
b0ce3dee722f57532659d8dc35d7ec3f6c8ce995d305ef5a7bc9cd405fe6ffca

SHA512
94821276ae8eb81510abd5bea36c8a6243b3529c558a5e17ac54dc4ee7c2c91373a49670599ac7e09b8bada5a139dc8441484145d335615515a7a76f4a1b4217

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

Filesize
170KB

MD5
d1c861707cc04bec19d70513d5e2ba5a

SHA1
dfd30621757a273897d67539b8fc0d7d40e97547

SHA256
8d85040b2042fbb8ed6c3cfb01a8e03ab1a8478a8885048791559d98f84ea66a

SHA512
f3b8a35e51db698760ce30b17a62d45f105da1685020cc284b0a5e5090170158776322cc55f319a9c78f5407bab8669212b1b4348cf1fcf3fe835c96835a83b5

Download Submit
memory/3056-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3056-850-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download