f77cfc919906721ce25e2fe5d067c42cfca49200f80a33e58f2ef42a6ff44f54

General

Target

9869c0b46995af32f20234c5d8afe880N.exe
Size

55KB
MD5

9869c0b46995af32f20234c5d8afe880
SHA1

49d5af279ebd75a6f4e868f7510f999ba0888195
SHA256

f77cfc919906721ce25e2fe5d067c42cfca49200f80a33e58f2ef42a6ff44f54
SHA512

ccbfb114a3aa32ab9b309ff9abd5a07de129f1a4bc94da10dc889260cb597fdbe5b0a836084475d33a652e6ac334190954b56beed6c9a85b3477ee2bf600e3eb
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNyHF/MF/HggD5o:V7Zf/FAxTWoJJZENTNyl2aPF

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (2434) 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

Processes:

resource	yara_rule
behavioral2/memory/1600-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
C:\$Recycle.Bin\S-1-5-21-3419463127-3903270268-2580331543-1000\desktop.ini.tmp	upx
C:\Program Files\7-Zip\7-zip.dll.tmp	upx
behavioral2/memory/1600-1424-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

Processes:

9869c0b46995af32f20234c5d8afe880N.exe

description	ioc	process
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-util-l1-1-0.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Java\jre-1.8\bin\fontmanager.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.DispatchProxy.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.RegularExpressions.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\msquic.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.Design.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\tipresx.dll.mui.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Common Files\System\en-US\wab32res.dll.mui.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Data.Common.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationClient.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationUI.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jdwpTransport.h.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Mail.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Input.Manipulations.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\WindowsBase.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\hi.pak.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\limited\US_export_policy.jar.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\7-Zip\Lang\cy.txt.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\7-Zip\Lang\vi.txt.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-processthreads-l1-1-1.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\dbgshim.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javac.exe.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\relaxngdatatype.md.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-environment-l1-1-0.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsfin.xml.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationTypes.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\libGLESv2.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\th.pak.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\invalid32x32.gif.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.NameResolution.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\ReachFramework.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\mesa3d.md.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.cs-cz.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fr-fr.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.StackTrace.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationTypes.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\SharedPerformance.man.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\rtscom.dll.mui.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-stdio-l1-1-0.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Claims.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\cldr.md.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Thread.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\PresentationUI.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Input.Manipulations.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\cryptix.md.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.Registry.AccessControl.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Internet Explorer\SIGNUP\install.ins.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RCom.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\InkObj.dll.mui.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\Microsoft.VisualBasic.Forms.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Xaml.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationClientSideProviders.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\ReachFramework.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ko-kr.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\fr-FR\msinfo32.exe.mui.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msdaremr.dll.mui.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Classic.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-processthreads-l1-1-0.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\net.properties.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Numerics.Vectors.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Input.Manipulations.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationUI.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jp2native.dll.tmp	9869c0b46995af32f20234c5d8afe880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\WindowsBase.resources.dll.tmp	9869c0b46995af32f20234c5d8afe880N.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

Processes:

9869c0b46995af32f20234c5d8afe880N.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9869c0b46995af32f20234c5d8afe880N.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9869c0b46995af32f20234c5d8afe880N.exe

C:\Users\Admin\AppData\Local\Temp\9869c0b46995af32f20234c5d8afe880N.exe
"C:\Users\Admin\AppData\Local\Temp\9869c0b46995af32f20234c5d8afe880N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1600

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-3419463127-3903270268-2580331543-1000\desktop.ini.tmp
Filesize
56KB

MD5
4b5654911acf9f1827aa365e55912cba

SHA1
88509bc24902c2202344c3c6cbb97c73ff2b8be2

SHA256
fa6d28256091a79d5de440e8eb527221905aa9ef0d9ff4e77cc3c2a8b9e4e397

SHA512
114e2bddb637468a493018a058523edbc79e2a597f8af531650922e6ed703ab0f79d0d2be0f1d48809013ccc2363598bc6fce3ba0ad77c45ed563111520d78d9

Download Submit
C:\Program Files\7-Zip\7-zip.dll.tmp
Filesize
154KB

MD5
064f8fd4d699477452eda6ee4c0718df

SHA1
9f5c5bb9d7d886fce7fac383cbffe50c6287f392

SHA256
6b84bccfc78a84109811276af18cc8e55a5a9df642ee3aa2a56c1aee1589ab96

SHA512
222e9e573b27d7bd1d3e0a430fc62006438a0dac23d29304c19136865b1644891ea5cfe9a8d07b5e22599f28320812cf1a85076c7c731877623d541208800c4d

Download Submit
memory/1600-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1600-1424-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing