e70a58f71129ce41a2b73f7411cda3dc39e6175647439efe17e5d2875c243e9b

Analysis

max time kernel
120s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 02:55

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General

Target

5ec2d0e98395a0cf150fa0e483996710N.exe
Size

54KB
MD5

5ec2d0e98395a0cf150fa0e483996710
SHA1

de41feea2bd5b287b6680e99835b06e7385ab838
SHA256

e70a58f71129ce41a2b73f7411cda3dc39e6175647439efe17e5d2875c243e9b
SHA512

afd2f469cf1460796da445ebce7509087c553149cbcb25fd5a71c9dfd5904177b157e9f2397a1a524d72bda401f88ec68c783c21a5043337ea1c042122fd3061
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rq:V7Zf/FAxTWgGpGv

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4171) 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/3308-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233eb-2.dat	upx
behavioral2/files/0x0014000000022932-6.dat	upx
behavioral2/memory/3308-1732-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\Ole DB\en-US\sqloledb.rll.mui.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\VisualElements\Logo.png.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\jawt.lib.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Java\jre-1.8\bin\java.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-pl.xrm-ms.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationCore.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\WindowsFormsIntegration.resources.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\VisualElements\SmallLogoCanary.png.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.PPT.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Common Files\microsoft shared\VC\msdia90.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.Reader.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationProvider.resources.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationCore.resources.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_TW.properties.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Violet.xml.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-pl.xrm-ms.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Primitives.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Principal.Windows.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Xaml.resources.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Xaml.resources.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-root-bridge-test.xrm-ms.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-pl.xrm-ms.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-ppd.xrm-ms.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\gstreamer.md.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_KMS_Client-ppd.xrm-ms.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_MAK_AE-ul-phn.xrm-ms.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Configuration.ConfigurationManager.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\InputPersonalization.exe.mui.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ValueTuple.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Xaml.resources.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.resources.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\gu.pak.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC.HXS.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymk.ttf.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Encoding.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\et.pak.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\ms.pak.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.sig.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Grace-ppd.xrm-ms.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-ppd.xrm-ms.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ppd.xrm-ms.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationCore.resources.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\mesa3d.md.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win10_RTL.mp4.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ul-oob.xrm-ms.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Grace-ul-oob.xrm-ms.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xerces.md.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-profile-l1-1-0.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Core.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationTypes.resources.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationProvider.resources.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-ul-oob.xrm-ms.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\MSOSEC.DLL.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Garamond-TrebuchetMs.xml.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClient.resources.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsFormsIntegration.resources.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Extensions.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.Design.Editors.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\es.pak.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jdb.exe.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Java\jre-1.8\bin\dcpr.dll.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-pl.xrm-ms.tmp	5ec2d0e98395a0cf150fa0e483996710N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Trial-ppd.xrm-ms.tmp	5ec2d0e98395a0cf150fa0e483996710N.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	5ec2d0e98395a0cf150fa0e483996710N.exe

C:\Users\Admin\AppData\Local\Temp\5ec2d0e98395a0cf150fa0e483996710N.exe
"C:\Users\Admin\AppData\Local\Temp\5ec2d0e98395a0cf150fa0e483996710N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3308

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-1-5-21-1176886754-713327781-2233697964-1000\desktop.ini.tmp

Filesize
54KB

MD5
7da1b4f2709469bbef3a383ca3b6e04a

SHA1
8e3717098316c8f7f7839312eab5ff0973d97a6a

SHA256
6aa885a6c442d687edd8be0a287351b672a5229568ff073d2eadd0968c56186a

SHA512
bad9b17c45d1e1b01c508a9952ef5659fde8176196c10026c654178acf9c457f50e7b2963f468877f76a36c1e50aa6c457a0e6c9780c7c78f87eea609904d5c4

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

Filesize
153KB

MD5
8df6258d0f38f6965727f3e47e5390df

SHA1
ed6116b06a6600d542b78f5c905d9c4c5734c45a

SHA256
9edc225cd656e7e46b793dc1f38ca67ebc46563821f9e0b623cc66a366cf2188

SHA512
5eb151f33e0067ab4d30cba8fb259711596218b7908859139bf0177b21f95acfe7606b64dc7fbe35434b8fb1e924d17ab6627f0a09c3a07fb0d0250299e2b361

Download Submit
memory/3308-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3308-1732-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download