300abd09f486e063434fbaa881738da0a5fbcf14c1d70e1dd469e0f78848091a

Analysis

max time kernel
120s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 05:57

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General

Target

5f7390f9e47ee1a86c1886e404183200N.exe
Size

56KB
MD5

5f7390f9e47ee1a86c1886e404183200
SHA1

0bd77e5abd375380ccafabacc6b9d4ec10d89ea6
SHA256

300abd09f486e063434fbaa881738da0a5fbcf14c1d70e1dd469e0f78848091a
SHA512

fbf745f36221aa7a435c34a413372700930d843858f7b685ece95a5120d8a8fdaa27e557b8fd5be1d1eca480102f45dfc4b0542276e55d98c0be3b2c646a01c9
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFIR:CTWn1++PJHJXA/OsIZfzc3/Q8IZT2pO

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4650) 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/4796-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00080000000234ac-2.dat	upx
behavioral2/files/0x00040000000228f4-6.dat	upx
behavioral2/memory/4796-878-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000008\FA000000008.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\7-Zip\Lang\ku.txt.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_KMS_Client-ul-oob.xrm-ms.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Forms.Design.resources.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\eventlog_provider.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_KMS_Client-ul.xrm-ms.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationFramework.resources.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscorlib.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Controls.Ribbon.resources.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationCore.resources.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\mesa3d.md.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\blacklisted.certs.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-pl.xrm-ms.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\msotdintl.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-phonetic.xml.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-synch-l1-2-0.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-locale-l1-1-0.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCONTROL.DLL.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GRAPH.ICO.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationTypes.resources.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\HarvardAnglia2008OfficeOnline.xsl.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-80.png.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_MAK-ul-phn.xrm-ms.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jdwp.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\policy\limited\US_export_policy.jar.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-pl.xrm-ms.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-ppd.xrm-ms.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-140.png.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\7-Zip\Lang\fr.txt.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Drawing.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.Primitives.resources.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\ReachFramework.resources.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\nb.pak.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash.gif.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ppd.xrm-ms.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-ul-oob.xrm-ms.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\sqloledb.rll.mui.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationUI.resources.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sunec.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-pl.xrm-ms.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-pl.xrm-ms.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\otkloadr_x64.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Configuration.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Xaml.resources.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial-ul-oob.xrm-ms.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\CHIMES.WAV.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Aero.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-ul-oob.xrm-ms.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Java\jre-1.8\bin\javafx_iio.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Office 2007 - 2010.xml.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_logo_small.png.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\TipRes.dll.mui.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcor.dll.mui.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-environment-l1-1-0.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.Design.resources.dll.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_sv.properties.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\c2rpridslicensefiles_auto.xml.tmp	5f7390f9e47ee1a86c1886e404183200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Trial-pl.xrm-ms.tmp	5f7390f9e47ee1a86c1886e404183200N.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	5f7390f9e47ee1a86c1886e404183200N.exe

C:\Users\Admin\AppData\Local\Temp\5f7390f9e47ee1a86c1886e404183200N.exe
"C:\Users\Admin\AppData\Local\Temp\5f7390f9e47ee1a86c1886e404183200N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4796

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-1-5-21-2392887640-1187051047-2909758433-1000\desktop.ini.tmp

Filesize
57KB

MD5
d4c4d5e8b5448a400d6499dc94fe8bde

SHA1
fa734653fac0fb31e3c805bd7512c2af36581511

SHA256
7e8b6f725fd1bc1456c6f7db745449765856ebe9bf63fca2b56f0cb95c0f58a2

SHA512
c1b546f7a5c5d5c37dc2a0e6582ecd1d47d60811617438e8f3e6c5e96bfcc779d3550f46fca6fc0b0cff0e9b3a3409550a28b67e191e533efbf9965c43e2a86e

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

Filesize
155KB

MD5
7829190ba07dcf7e18d32e58aef90f60

SHA1
df7b1ee202deedcc94cfcb4502d8cf5660408ba2

SHA256
237cb157a63c7120bee0d64d7051faa6e64081d47e8834acb266ecdbec92e5be

SHA512
2cf4bf82572263166517d78d15a1da2860304b0d326304b91573441eb0f9c2c6741af98e988678011044e3fa25683ce55f1000c1afd5ffb7442ab9dee60f39b0

Download Submit
memory/4796-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4796-878-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download