bffd34862627598c770e30a01c0a626c63e433d8033d608391e92312944e93e8

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
06/09/2024, 09:32

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General

Target

ba061cecd6f3db6340f97b0938b1ba80N.exe
Size

90KB
MD5

ba061cecd6f3db6340f97b0938b1ba80
SHA1

0fce2b0c003846cf9b1ecc7e245434bc1718ba46
SHA256

bffd34862627598c770e30a01c0a626c63e433d8033d608391e92312944e93e8
SHA512

1a2b60689ee04c74f438c673a612705f8824ff981e3b4f8e09fd02f70366473fcf3da24f8fc773d33dfd174939a4a1e9412bf03cdab68b4a14207cf6770d9ddc
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5bSY5NK:fnyiQSox552

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4617) 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/3596-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023443-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/3596-884-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\AppvIsvSubsystems64.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\7-Zip\Lang\nl.txt.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscht.xml.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\Microsoft.VisualBasic.Forms.resources.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-pl.xrm-ms.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-phn.xrm-ms.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-processthreads-l1-1-1.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebProxy.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Console.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH.HXS.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Drawing.Primitives.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jpeg.md.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Grace-ul-oob.xrm-ms.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-pl.xrm-ms.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\en\LocalizedStrings.xml.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOCR.DLL.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\ReachFramework.resources.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\GrantSubmit.mp3.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.AddinTelemetry.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationTypes.resources.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\blacklisted.certs.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ul-oob.xrm-ms.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-pl.xrm-ms.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.manifest.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\sr-Latn-RS\msipc.dll.mui.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVManifest.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jopt-simple.md.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-ul-oob.xrm-ms.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONGuide.onepkg.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.ConnectionUI.Dialog.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-140.png.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationProvider.resources.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\icu_web.md.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ul-oob.xrm-ms.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-ul-oob.xrm-ms.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Internet Explorer\ja-JP\iexplore.exe.mui.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\vi\msipc.dll.mui.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ppd.xrm-ms.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_F_COL.HXK.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-utility-l1-1-0.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationFramework.resources.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jce.jar.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-ppd.xrm-ms.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Configuration\config.xml.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Input.Manipulations.resources.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dtplugin\deployJava1.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tabskb.dll.mui.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Common Files\System\ado\fr-FR\msader15.dll.mui.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l1-2-0.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Input.Manipulations.resources.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\he.pak.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jpeg.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Xaml.resources.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationUI.resources.dll.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\sa-jdi.jar.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_PrepidBypass-ul-oob.xrm-ms.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fi-FI\tipresx.dll.mui.tmp	ba061cecd6f3db6340f97b0938b1ba80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\rtscom.dll.mui.tmp	ba061cecd6f3db6340f97b0938b1ba80N.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	ba061cecd6f3db6340f97b0938b1ba80N.exe

C:\Users\Admin\AppData\Local\Temp\ba061cecd6f3db6340f97b0938b1ba80N.exe
"C:\Users\Admin\AppData\Local\Temp\ba061cecd6f3db6340f97b0938b1ba80N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3596

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
90KB

MD5
3f25015ec5aa329bc6781987262c9173

SHA1
7c9ef938968c300ec9692473e64917d23724cb50

SHA256
d47e8af425b2f668f5d6d1c2f6cebae808b870839b92221519866c8e0bbcee22

SHA512
83b1dfb579cafc8398bb6618ee74332ad9e9f42ba97353e77855082d3fbd82b7dd39da18ba9d12e8d88e414bae10bc51b6456532b6510f7c2a9aa243649c6886

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

Filesize
189KB

MD5
de21e2ce61e0aea226abd52973095e5d

SHA1
c66fa458da178983a9a1992d13663058c0e952dc

SHA256
11e3e4b2a2d6b4015d9c75fc023e26ee40dea98677f802215ebb51fe7b85a925

SHA512
b722b03b923b8f5b7b428906e57a7e951bee6910e81da7b8b5f281a16de85fb1578736ab4d639ecd381c341179de2835ea2e01cf8ff6664716174f428896115a

Download Submit
memory/3596-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3596-884-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download