b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 15:51

Sharing

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General

Target

b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
Size

52KB
MD5

050ceaa67849edb7749fa74da41b9790
SHA1

317ea74dcab99ac742efbff3ad26024eeacce276
SHA256

b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676
SHA512

f0e70e373479d6c16b061296398b10ad32c767c91837e7e29f991b9d03dc5d64084f5b1160010578fe3e987415a996959126d9a43c1d5daecc30caa044369a0e
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9nPCQIQ5:V7Zf/FAxTWoJJ7Tkpm

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3147) 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
behavioral1/memory/3040-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0007000000012118-2.dat	upx
behavioral1/files/0x000200000001067f-6.dat	upx
behavioral1/memory/3040-70-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk1.7.0_80\jre\COPYRIGHT.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.ui_5.5.0.165303.jar.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Australia\Perth.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Mozilla Firefox\api-ms-win-crt-environment-l1-1-0.dll.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ja\WindowsBase.resources.dll.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\deploy\messages_zh_TW.properties.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-application-views.xml.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jre7\lib\meta-index.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Microsoft Office\Office14\ONFILTER.DLL.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\SpecialNavigationUp_ButtonGraphic.png.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Indian\Cocos.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Mozilla Firefox\default-browser-agent.exe.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\index.html.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Kentucky\Louisville.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\TabIpsps.dll.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\DVD Maker\ja-JP\DVDMaker.exe.mui.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Title_Trans_Notes_PAL.wmv.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-util-enumerations_zh_CN.jar.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-uisupport_ja.jar.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Mozilla Firefox\precomplete.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Chihuahua.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\de\System.ServiceModel.Resources.dll.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.ssl.feature_1.0.0.v20140827-1444\META-INF\eclipse.inf.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Mozilla Firefox\locale.ini.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\7-Zip\Lang\ro.txt.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.ssl.feature_1.0.0.v20140827-1444\about.html.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-util.xml.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-profiling_zh_CN.jar.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Argentina\San_Juan.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Mozilla Firefox\application.ini.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\DVD Maker\directshowtap.ax.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.historicaldata.zh_CN_5.5.0.165303.jar.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-actions_zh_CN.jar.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\org-netbeans-modules-uihandler.xml_hidden.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Riyadh87.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\fr\UIAutomationProvider.resources.dll.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ja\PresentationBuildTasks.resources.dll.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\grid_(cm).wmf.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\NavigationUp_SelectionSubpicture.png.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.e4.rcp_1.3.100.v20141007-2033\epl-v10.html.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.swt.win32.win32.x86_64.nl_zh_4.4.0.v20140623020002.jar.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jre7\lib\logging.properties.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Microsoft Office\Office14\GROOVEEX.DLL.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_it.jar.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Indian\Christmas.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT+7.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\VideoLAN\VLC\libvlccore.dll.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\7-Zip\Lang\be.txt.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaprsr.dll.mui.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\North_Dakota\Beulah.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.base.nl_zh_4.4.0.v20140623020002.jar.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Jerusalem.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\7-Zip\Lang\ba.txt.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OFFICE14\Cultures\OFFICE.ODF.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Push\1047x576black.png.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Baku.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.publisher.nl_ja_4.4.0.v20140623020002.jar.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-queries_zh_CN.jar.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\gd\LC_MESSAGES\vlc.mo.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\icons\flight_recorder.png.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-api-search.xml.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Resolute.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\dialogs\create_stream.html.tmp	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.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	b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe

C:\Users\Admin\AppData\Local\Temp\b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe
"C:\Users\Admin\AppData\Local\Temp\b341f4dc5990f878a43a54b977864c265a6d2844eaf7711bc2dda603a2e7d676N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3040

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-1-5-21-1488793075-819845221-1497111674-1000\desktop.ini.tmp

Filesize
52KB

MD5
66966dcd62a27f8dac8f1b0cf861a04d

SHA1
b50e463f76527ccd63cb1b07f9aa01ac3415cfaf

SHA256
2893163c0f11a549a438135f73ddd746c5ed2ca65bdf8773ab612f453a703da9

SHA512
945fee8f66607d36f404b48a3a04125eeafbd63bedaef4054aaf275fb36c73b7964851257726ae7c74955373f5a1d6ab4b3195f6015a7792991d01c5a7dbb694

Download Submit
C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

Filesize
61KB

MD5
9f9750c90feb5879d4ff07d7881e5b4b

SHA1
90de1bb33ef61d0c42d7fbb8d180ecb02eda1126

SHA256
db50d2719697aec647ce94df0e27592b8bf332e1646d5fffbd6ffee51cb3e828

SHA512
10be0743cf61692ca3831000aeea183570a902f0541e0355a2e433e5143142d401fb667704644b4efbf03077fa0ecd5c36ba253f906eadb5f8b99b9e620911c6

Download Submit
memory/3040-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3040-70-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download