1b6be56af5c0a2c67d75fc404a725b8458819a2c9788abd924905e1bfeb4f288

Analysis

max time kernel
119s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 11:43

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General

Target

c6ff9041c93d8a8e308e489137813430N.exe
Size

49KB
MD5

c6ff9041c93d8a8e308e489137813430
SHA1

0dc0abe1f3ae1b3677f6be9d9f3937650da52062
SHA256

1b6be56af5c0a2c67d75fc404a725b8458819a2c9788abd924905e1bfeb4f288
SHA512

2d16a44c34c8358f393304871f16b252139f2254bd00265686dbd037e2136ad7070fde1cb32805a7de17629e603c32f5e9ce916677931b91840a523318c06c72
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFWM:CTWn1++PJHJXA/OsIZfzc3/Q835X

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4643) 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/5008-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023474-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/5008-932-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-private-l1-1-0.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ppd.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ul-oob.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-80.png.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\7-Zip\Lang\lt.txt.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationUI.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\COPYRIGHT.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O17EnterpriseVL_Bypass30-ppd.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelCtxUICellLayoutModel.bin.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\rtscom.dll.mui.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Forms.resources.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jfxmedia.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Retail-ul-phn.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ppd.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-pl.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVClient.man.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\ReachFramework.resources.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PenImc_cor3.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\freebxml.md.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\policy\limited\US_export_policy.jar.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART1.BDR.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Input.Manipulations.resources.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ppd.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-string-l1-1-0.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\uk\msipc.dll.mui.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Input.Manipulations.resources.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-ul-phn.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\MICROSOFT.DATA.RECOMMENDATION.COMMON.DLL.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.MemoryMappedFiles.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\te.pak.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-ppd.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription5-pl.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ul-phn.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTOCOLHANDLERINTL.DLL.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Common Files\System\msadc\msdaprsr.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ServiceModel.Web.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ReachFramework.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-runtime-l1-1-0.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_de.properties.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ppd.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-ppd.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-ul-phn.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Ion.thmx.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Grace-ul-oob.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.lt-lt.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\Microsoft.VisualBasic.Forms.resources.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Java\jre-1.8\lib\classlist.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Royale.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-ppd.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ppd.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-oob.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\CLVWINTL.DLL.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TelemetryLog.xltx.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSO0127.ACL.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Grace-ul-oob.xrm-ms.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.Query.NetFX35.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msvcr120.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sr-latn-rs.dll.tmp	c6ff9041c93d8a8e308e489137813430N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcp120.dll.tmp	c6ff9041c93d8a8e308e489137813430N.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	c6ff9041c93d8a8e308e489137813430N.exe

C:\Users\Admin\AppData\Local\Temp\c6ff9041c93d8a8e308e489137813430N.exe
"C:\Users\Admin\AppData\Local\Temp\c6ff9041c93d8a8e308e489137813430N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5008

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
50KB

MD5
482f70f9b93a21fbde9a2e1b66947f1f

SHA1
ded022ee3a4721182f9119e6ed491d5081a11747

SHA256
8431f843d25c2148c1f1bc1b6025628e39146c03e85656f6627771ffd35dc3ee

SHA512
31e70ed908efd72137eb59b2e6f2922cce40ff5a08dbca3969203204dcdd1d32177b6d6e60b2ad8cd8d6313689888849d883ed55ad428853a8d746eb4022b684

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

Filesize
148KB

MD5
20b21913208626978306576134848c7b

SHA1
0ab54aa50559aeb43c818ef18ea0424434d531b4

SHA256
9df2848616cf92f17175f4ba65cf357136498db76146d048dc722e6d91dba049

SHA512
5be0e7c53b5b9d9b3de68cbe7ea5bf21b39846b0d4638a28dfc7cc5476a1888cd46db54f8623e29af708a0d286d2ff84273d20fd2431d0d4497c9c62b0e5ea9c

Download Submit
memory/5008-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/5008-932-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download