b5137a66820115b9d09f8b96e2487a8e4cbd42f073e4a50d32fb0892e350ac5b

Analysis

max time kernel
120s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2024, 04:04

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General

Target

4717806e05e4c1e4b5d2240df810c2c0N.exe
Size

54KB
MD5

4717806e05e4c1e4b5d2240df810c2c0
SHA1

8e9bcc2421ce626454eb9ef260344ca51bfa5f82
SHA256

b5137a66820115b9d09f8b96e2487a8e4cbd42f073e4a50d32fb0892e350ac5b
SHA512

8ef5015606df9d75a2d6286bb3cfd28ee3593999974ec43b54386c2fc2189cb72e2431e4feda8ed7f9ce067ab2eccbd0bd282677d856180f0d46c4084031b78e
SSDEEP

1536:V7Zf/FAxTWoJJ7TTKP2awclvmxaKP2awclvmxF:fny1aP2awclvmxrP2awclvmxF

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4641) 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/1004-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233ff-2.dat	upx
behavioral2/files/0x000600000001e5db-6.dat	upx
behavioral2/memory/1004-1952-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.et-ee.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\java.security.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DIFF_MATCH_PATCH_WIN32.DLL.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\public_suffix_list.dat.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-pl.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-pl.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ppd.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00C1-0000-1000-0000000FF1CE.xml.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\th\msipc.dll.mui.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledb32.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encodings.Web.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Http.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationCore.resources.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ppd.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_MAK-ppd.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ServiceModel.Web.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Controls.Ribbon.resources.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\PresentationCore.resources.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E1-0000-1000-0000000FF1CE.xml.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ul-phn.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\VC\msdia100.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_SubTrial-pl.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-string-l1-1-0.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe.config.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\TPN.txt.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvVirtualization.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Primitives.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Google\Chrome\Application\debug.log.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\GRAY.pf.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-pl.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\7-Zip\Lang\fi.txt.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Primitives.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-pl.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\DATATRANSFORMERWRAPPER.DLL.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sl-SI\tipresx.dll.mui.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\ecc.md.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_KMS_Client_AE-ul.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Overlapped.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages.properties.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsfin.xml.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial1-ppd.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\bg.pak.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-synch-l1-1-0.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-string-l1-1-0.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fi-FI\tipresx.dll.mui.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ServiceProcess.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\PresentationUI.resources.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Xaml.resources.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationClient.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\ApiClient.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\PresentationFramework.resources.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTest-pl.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ppd.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-ppd.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\fontmanager.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_Grace-ul-oob.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ul-oob.xrm-ms.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\sqlxmlx.rll.mui.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-fibers-l1-1-0.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.NETCore.App.runtimeconfig.json.tmp	4717806e05e4c1e4b5d2240df810c2c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationFramework.resources.dll.tmp	4717806e05e4c1e4b5d2240df810c2c0N.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	4717806e05e4c1e4b5d2240df810c2c0N.exe

C:\Users\Admin\AppData\Local\Temp\4717806e05e4c1e4b5d2240df810c2c0N.exe
"C:\Users\Admin\AppData\Local\Temp\4717806e05e4c1e4b5d2240df810c2c0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1004

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-1-5-21-1705699165-553239100-4129523827-1000\desktop.ini.tmp

Filesize
54KB

MD5
93a2ff02227d458fcde237a189445f95

SHA1
a4c21d39c8e398cd61588e1b2b43e41d2d17cfdc

SHA256
0d4454b23c3e2290cf21900f4c5eabf6f7f9849111ee6d4420169e59fa461ec8

SHA512
6d746cdbef0c6ab5d87256e0400ec3fff89a5e50978bfd762b9c4eecee653476adea06476480c10195a27dbaff5578f7982ed005f8bf7552365d5291d92b556b

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

Filesize
153KB

MD5
ee1e1cc9dae37ca861bafb9f5473b79d

SHA1
a60c9d96113d0e17f98f15f5d16654a77ed44d29

SHA256
5dbc66b351994e686b849d3365aca875dfa3bcff9724f65cca7a478d0ab4c63f

SHA512
b6d10e88e817a9dcbf8b70b4fbdd3ba4f159b8d20de2e5b6222cea49e7873e364a6375ff21b2d5662f974a9aa3fcc40a94df91c5411473b50f24c837607ec9d6

Download Submit
memory/1004-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1004-1952-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download