a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab

Analysis

max time kernel
150s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-08-2024 01:09

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General

Target

a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
Size

124KB
MD5

078e022a49a376a62e9e0028065c3de4
SHA1

1a37ad5af0f0546805900b62dd759c06739dab05
SHA256

a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab
SHA512

bf6d04c305a7ec695215c3ce12f4dd79fc99f27ddc95d645a910c1f6ab2e6785ab5e2daa9ee9e45685e0b602ddaf85eb27fd386a0e284f3efc6e9e7c67012c14
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5vTWn1++PJHJXA/OsIZfzc3/Q8zxD:fnyiQSox5bQSox5owO

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4843) 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/4600-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233e5-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/4600-1784-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Localytics.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fil.pak.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Java\jdk-1.8\bin\pack200.exe.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_KMS_Client-ul-oob.xrm-ms.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Grace-ppd.xrm-ms.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-pl.xrm-ms.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART9.BDR.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GKExcel.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.bg-bg.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.OpenSsl.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationClient.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Java\jdk-1.8\lib\deployment.config.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16EnterpriseVL_Bypass30-ppd.xrm-ms.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MsoAriaCApiWrapper.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-file-l1-2-0.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\TAG.XSL.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\ShapeCollector.exe.mui.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ucrtbase.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\icu.md.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL092.XML.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.PerformanceCounter.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jpeg.md.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-pl.xrm-ms.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Office.Interop.Excel.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipRes.dll.mui.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationProvider.resources.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Controls.Ribbon.resources.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOHEV.DLL.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TabTip.exe.mui.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Pipes.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\Microsoft.VisualBasic.Forms.resources.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL106.XML.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Java\jre-1.8\bin\jfr.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppvIsvSubsystems64.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_K_COL.HXK.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-pl.xrm-ms.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FilterModule.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.Queryable.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial2-pl.xrm-ms.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Internet Explorer\fr-FR\ieinstal.exe.mui.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\TrebuchetMs.xml.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\+Connect to New Data Source.odc.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Configuration\ssn_high_group_info.txt.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-black_scale-80.png.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Pipes.AccessControl.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationProvider.resources.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationTypes.resources.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-80.png.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\el\msipc.dll.mui.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN089.XML.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0409-1000-0000000FF1CE.xml.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_COL.HXC.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\7-Zip\7-zip.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_heb.xml.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.UnmanagedMemoryStream.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-pl.xrm-ms.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL090.XML.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ReachFramework.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Configuration.ConfigurationManager.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Grace-ppd.xrm-ms.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ppd.xrm-ms.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.dll.tmp	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.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	a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe

C:\Users\Admin\AppData\Local\Temp\a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe
"C:\Users\Admin\AppData\Local\Temp\a9597f5fcd33ed51cccf23700f034db2f17661f9e82a68caef3b1a62877d0fab.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4600

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-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

Filesize
124KB

MD5
e5246f66aa1ed26e66a860be95ef317c

SHA1
9e3f8e7b1de1149374497c8eaba1a2a55853cd32

SHA256
9f8593bb62d10646fa77de7b8b570b0d721729c2bb43c49232e84f6b8ba7699d

SHA512
0af2c876e4da823845c36c890ef426a8b786143fd7b5a97c661256d1f470939a48a7ad6b1c4d3b659e5115de0607ede77ebc6646220b5ac95de4f89dd0c11bcc

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

Filesize
223KB

MD5
fdad7fcaa327bb842af3e840ddbb5fcc

SHA1
59bc80ed9692aea878c9173008d76cfa1a047bce

SHA256
e6ceed2fab51de73afd38fcea04e0f52f4bd9a4e575b48dc7c55a35fd380ad3e

SHA512
71987591ce5ada56d04e744436b198e8752915840729b2766bcd3f405c74d19816cb6d543f06865db0587903d8a481738e3452d233706cace260f389f69575f2

Download Submit
memory/4600-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4600-1784-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download