f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59c

Analysis

max time kernel
120s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 05:59

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General

Target

f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
Size

47KB
MD5

dd9cd7f680851a4bbbc5b5e884cf1130
SHA1

a1d7e1ddd89f4bee26a5f2fb8b3614246d7144da
SHA256

f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59c
SHA512

b69642af83f249765c5f73c67f6f752d4dada14f2572065e822a9d964439493e2428011fbbd1c9be18779b23f611f46d2e5efd03140f4a0d0cecd62de812ff30
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9pJzjJzX:V7Zf/FAxTWoJJ7TXJzjJzX

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4679) 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/2684-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000800000002347e-2.dat	upx
behavioral2/files/0x000c0000000220a6-6.dat	upx
behavioral2/memory/2684-1006-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTest-ppd.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Numerics.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.resources.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-pl.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Common Files\System\de-DE\wab32res.dll.mui.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Registry.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-ul-oob.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest1-pl.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_Subscription-ul-oob.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe.config.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\server\jvm.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial5-pl.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_KMS_Client-ul-oob.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.AeroLite.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.manifest.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-white_scale-80.png.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\msvcp140.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymk.ttf.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Luna.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Java\jre-1.8\bin\server\classes.jsa.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.BackEnd.XmlSerializers.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.SecureString.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscorrc.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationFramework.resources.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.exe.sig.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ms.pak.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-oob.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-ul-oob.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp6-ul-phn.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipssrb.xml.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Xaml.resources.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\j2pcsc.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\colorimaging.md.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-time-l1-1-0.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Trial-ppd.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_K_COL.HXK.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART8.BDR.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.Design.resources.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\PresentationCore.resources.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\v8_context_snapshot.bin.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ul-phn.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebHeaderCollection.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.ServicePoint.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\dynalink.md.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHKEY.DAT.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSMUX.OSMUX.x-none.msi.16.x-none.xml.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-140.png.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.CoreLib.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationFramework.resources.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\PresentationFramework.resources.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Forms.Primitives.resources.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ul-oob.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription5-ul-oob.xrm-ms.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrusash.dat.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Ping.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_COL.HXT.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\EXCELPLUGINCORE.DLL.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.AeroLite.dll.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_de.properties.tmp	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.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	f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe

C:\Users\Admin\AppData\Local\Temp\f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe
"C:\Users\Admin\AppData\Local\Temp\f6a9fd0c0298ac82c32bb05ae71494b26486a6b3d9ae23b36644602c659cc59cN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2684

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-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

Filesize
47KB

MD5
1addf15ca2798048b6a6dcb41cf0f26d

SHA1
2af049ef1d3715300aa7f62c1661f4b4720579fa

SHA256
acb1bc98474622f00c8f4aeb42a4c85278623cf25e0b8cd0196a8827235a2b72

SHA512
231d6a433a6ba7610cf9be10b491c4e689c0a27f969dc761c374a19bfb027b3cb1ab6b85106aba8eef0cd64e4e87c035f95f51f8c200c8e9e556f11422ebbb9d

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

Filesize
146KB

MD5
3aa0fe41bd8efb1e7d39704078bffc03

SHA1
b972acd08b32f83c242932bd8be4516913d3662e

SHA256
7dcacd6b5c655df5010a355d3703f6a8c5ec1c189c2e8caa52717b699665999f

SHA512
c83b3cd396081234da4cc2fb092cfdbd82b8dc8b55688a48aad181f7e3b8c0cc839f7e74034a6141a9ead3b2c20da7f35795eef53b11448216aaf9c732ba3332

Download Submit
memory/2684-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2684-1006-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download