fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 03:53

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General

Target

fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
Size

76KB
MD5

a217184e32bc2be542231eaf972c5976
SHA1

527edbda97bd0b92227238a99c2f7033f483032e
SHA256

fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634
SHA512

e9cd4ce0cf923e96bd2da0214bfa71bd82e852894674db447c19a4e88aa4e49fdb450da30cbafeef9bcfd27d896d52e8dc15662f0e0d6c25245a283def5d3253
SSDEEP

1536:CTWn1++PJHJXA/OsIZfzc3/Q8wYeHNm5EvDxfIyKoIWbsHfySkT5GeCyi348oWGh:KQSodYeHNmkDxfIyKoIWbsHfySkT5Geb

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5046) 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/2980-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000234b2-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/2980-909-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.AccessControl.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\PresentationFramework.resources.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Java\jre-1.8\bin\prism_sw.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\asm.md.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.fr-fr.xml.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.WindowsAzure.StorageClient.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Common Files\System\wab32res.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.VisualElementsManifest.xml.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.DataWarehouse.DLL.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-stdio-l1-1-0.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-ppd.xrm-ms.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Grace-ppd.xrm-ms.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.VisualBasic.Forms.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\mesa3d.md.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\lv\msipc.dll.mui.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\sl\msipc.dll.mui.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOLoader.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msaddsr.dll.mui.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Formats.Asn1.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.TextWriterTraceListener.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-ppd.xrm-ms.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.DataWarehouse.Interfaces.DLL.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscsy.xml.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_KMS_Client_AE-ul.xrm-ms.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-pl.xrm-ms.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-oob.xrm-ms.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_COL.HXC.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Common Files\System\msadc\msdaremr.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig.companion.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Accessibility.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Java\jre-1.8\bin\j2pkcs11.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-ppd.xrm-ms.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ja\msipc.dll.mui.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.cs-cz.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-pl.xrm-ms.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSIRESOURCES.DLL.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN092.XML.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscorlib.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ServiceProcess.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ko.pak.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\giflib.md.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Java\jre-1.8\bin\policytool.exe.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Trial-ppd.xrm-ms.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\7-Zip\Lang\tt.txt.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-string-l1-1-0.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Retail-ul-oob.xrm-ms.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\casual.dotx.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-white_scale-140.png.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Pipes.AccessControl.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\th.pak.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xmlresolver.md.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\wpfgfx_cor3.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.Unsafe.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Classic.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-pl.xrm-ms.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\sqmapi.dll.tmp	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.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	fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe

C:\Users\Admin\AppData\Local\Temp\fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe
"C:\Users\Admin\AppData\Local\Temp\fa07f8a8d6fca285a328fdfe09c2cd09908d0333e5365c8143dfd5ee5c776634.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2980

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-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp

Filesize
76KB

MD5
655fbbee9e8c947f922c1baa7695049c

SHA1
c815ed4b1abb3c6afa737a405a0ff14d57148f33

SHA256
e492049d22adf3ad5fa3c89d5c4ad6dfe1a3126b41698ac96ee2b9c30b77fd4c

SHA512
970be18b53bcb233b7c19b2605975a1457423da4035631063e18be9664740bfae6506836e4d26b99da4527f5c4d80a375d05aacbf42568db8804089484f83adc

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

Filesize
175KB

MD5
40496e79cc1e91162dde857a70667405

SHA1
fc6caf5a104bcba4dba6493aba975e38329205b8

SHA256
126b89864d18fc5164e61e7ea8e0d988733100fe3a9240ffc775282ab72f3c83

SHA512
2fc908451f2606ef810bea3352c8c4007488962a5f46b9bb2256e31b3382a326e4bb0b779f7013bd5964f15456ec1f5440dea1260066e5f165451987bd2eeba1

Download Submit
memory/2980-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2980-909-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download