c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2025, 22:24

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General

Target

c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
Size

230KB
MD5

e9f12fdd671175c111b76b40aa5be81b
SHA1

2aa7dab729c90b5f903edb2f28b68d598425760c
SHA256

c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f
SHA512

bfa0c674660ec880d1429bcdd9451d97adc95e60c01da6bec48328f26b8446a34e976ed88a2820776671af9246d5ba04165edca09ae36ed8f6b032769e8f6563
SSDEEP

6144:KbEyyj2yAIJbIjNDv0bNXkbvLiPVFJ7on3NX:WyAUbIZGNXkbvLyon3NX

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3995) 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/868-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023ba0-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/868-646-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-pl.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-pl.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.Primitives.resources.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_HK.properties.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_KMS_Client-ppd.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Grace-ppd.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVClient.man.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\rtscom.dll.mui.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Input.Manipulations.resources.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp4-ul-oob.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\vstoee100.tlb.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Principal.Windows.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore_amd64_amd64_7.0.1624.6629.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTrial-ul-oob.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages.properties.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Grace-ul-oob.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-pl.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.Linq.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\coreclr.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\PresentationCore.resources.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationProvider.resources.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_altgr.xml.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-ul-phn.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-pl.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\zh-CN.pak.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-pl.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Grace-ul-oob.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.PerformanceCounter.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationClientSideProviders.resources.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\EnterInitialize.jpeg.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Java\jdk-1.8\lib\jawt.lib.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Java\jre-1.8\bin\ssv.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ppd.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\IFDPINTL.DLL.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\zh-CN\tipresx.dll.mui.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbvbs.inc.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\j2pcsc.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipshe.xml.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Common Files\System\wab32.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_HK.properties.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\tipresx.dll.mui.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Xaml.resources.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Java\jdk-1.8\bin\rmid.exe.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-synch-l1-1-0.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\7-Zip\Lang\is.txt.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaremr.dll.mui.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.IsolatedStorage.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-pl.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-ppd.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-pl.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscordaccore.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Input.Manipulations.resources.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l2-1-0.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymb.ttf.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.Extensions.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationClientSideProviders.resources.dll.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ppd.xrm-ms.tmp	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.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	c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe

C:\Users\Admin\AppData\Local\Temp\c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe
"C:\Users\Admin\AppData\Local\Temp\c41066571e383ce9945a4e6e18e5aeafff67360477fc73eb6cf7fe53b71fc52f.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:868

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-1-5-21-2437139445-1151884604-3026847218-1000\desktop.ini.tmp

Filesize
230KB

MD5
e72c98e6c1ee72edd952bc35f89a65c8

SHA1
abd378756f960766420f66a273c9872419dd06fe

SHA256
3b55710540a0236714a975cc2691fd62066f69ad7da73795f8134c4e13371d1a

SHA512
cd8b06774ab8795d17d3b94ad805c559b81b08dac6cad0390965e6e69b7928310cf9ed9facccfa1048a483f668177a8a79704ed4cd31f9ee23066ca013214d3e

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

Filesize
329KB

MD5
e12430ca6bd4c08bc6036f8edd1b9473

SHA1
e705eeb53268d2c77f198b022b956b70ceeb0f5d

SHA256
2dd0465624f847aeb4d9a7febd005b6510ce588de6e7b24c9f95aea8aaaa246c

SHA512
fdabdc30aee1fe3d8beb82e78e2cee00257581e3e783409da3d67bac0cb9f2b7ae0b6dca1eda304ff1c31ecbd66a677ca80ca8f59471fa87135492067c20a58c

Download Submit
memory/868-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/868-646-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download