1153df12688e5fb565b712c8bd95c3d978f9e05cb3704f05517632f39cf046c6

Analysis

max time kernel
120s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
25/07/2024, 19:00

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General

Target

ecfa3bffac2002c0707cae9c1e7b5340N.exe
Size

21KB
MD5

ecfa3bffac2002c0707cae9c1e7b5340
SHA1

1a5d4661f5ad35b4a4e812cc1df46c36a6cd973d
SHA256

1153df12688e5fb565b712c8bd95c3d978f9e05cb3704f05517632f39cf046c6
SHA512

ce0afa0774e0776386df1c1918e37281c0a42bb48e80085f96749a35cd9c1e8ddd58fa671cd4c14d248f0988051aad46459677a1b7e44d284672aa4c2eaf2fef
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJblDZblDZy924Su0QK8u2l1QI6924Su0QK8u2l1QIElv:kBT37CPKKdJJBZBZyF/MF/orMalY+

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3201) 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/1020-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x00080000000120f5-2.dat	upx
behavioral1/files/0x0002000000010667-6.dat	upx
behavioral1/memory/1020-74-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.commands.nl_zh_4.4.0.v20140623020002.jar.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Microsoft Office\Office14\GROOVEEX.DLL.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msdaprsr.dll.mui.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\1047x576black.png.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT-14.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.jetty.continuation_8.1.14.v20131031.jar.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Internet Explorer\en-US\F12Tools.dll.mui.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.services_1.1.0.v20140328-1925.jar.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-api-progress_ja.jar.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\ja\System.Management.Instrumentation.Resources.dll.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Shatter\NavigationLeft_ButtonGraphic.png.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\ext\zipfs.jar.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\META-INF\MANIFEST.MF.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\org-netbeans-lib-uihandler.xml_hidden.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\ja\LC_MESSAGES\vlc.mo.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\server\jvm.dll.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\com.jrockit.mc.feature.flightrecorder_5.5.0.165303\feature.xml.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Argentina\Salta.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Mozilla Firefox\defaults\pref\autoconfig.js.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\7-Zip\Lang\tk.txt.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\server\classes.jsa.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.extensionlocation.nl_ja_4.4.0.v20140623020002.jar.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-modules-profiler-selector-ui.xml.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Juneau.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\ResetEnable.wmx.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\rtscom.dll.mui.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification.zh_CN_5.5.0.165303.jar.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\an\LC_MESSAGES\vlc.mo.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\libimem_plugin.dll.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\WET.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-openide-windows.jar.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jre7\lib\security\cacerts.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Common Files\System\msadc\msdarem.dll.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Winnipeg.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\lib\smtp.jar.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Perf_Scenes_Subpicture1.png.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\North_Dakota\Beulah.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.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	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Microsoft Games\Chess\desktop.ini.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\PreviousMenuButtonIconSubpi.png.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\Panel_Mask_PAL.wmv.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SportsNotesBackground.wmv.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Santa_Isabel.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libtwolame_plugin.dll.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Common Files\System\msadc\msdfmap.dll.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-threaddump_ja.jar.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Mozilla Firefox\removed-files.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\es\WindowsFormsIntegration.resources.dll.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\VC\msdia90.dll.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Common Files\System\ado\msado21.tlb.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.e4.rcp_1.3.100.v20141007-2033\META-INF\MANIFEST.MF.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.feature_3.9.0.v20140827-1444\META-INF\ECLIPSE_.RSA.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.osgi.compatibility.state.nl_zh_4.4.0.v20140623020002.jar.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Pontianak.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\bin\setNetworkClientCP.bat.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Martinique.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\plugin.properties.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-uisupport_zh_CN.jar.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\106.0.5249.119.manifest.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Menominee.tmp	ecfa3bffac2002c0707cae9c1e7b5340N.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	ecfa3bffac2002c0707cae9c1e7b5340N.exe

C:\Users\Admin\AppData\Local\Temp\ecfa3bffac2002c0707cae9c1e7b5340N.exe
"C:\Users\Admin\AppData\Local\Temp\ecfa3bffac2002c0707cae9c1e7b5340N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1020

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-1-5-21-2660163958-4080398480-1122754539-1000\desktop.ini.tmp

Filesize
21KB

MD5
ef2c65ad74cc4cd78adf6a09f56049a5

SHA1
20aa8ee6e8fef91c3ff9ad34aaf16b204956516a

SHA256
8d67b4e046e2f11ef052e7abc3fe23648443e93879fdd05188097ab6515c2314

SHA512
b2b57a0bed970ee88ae9d816f4d14b36671bff884e92c09a5a24568f9a129c60248c6de9aa1ae9b2cdeb3e9a7bdb7033906ca580b4ee45fff95a8581379f70bf

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

Filesize
30KB

MD5
e4c9898df19518d94c147d26cc3e8161

SHA1
63fc3045a6dc330b8279503d2839a29823df1dce

SHA256
cb58052bb2c9566e08fc460c23761efb24c8897bcc6cce7f56bdc4d67e408f40

SHA512
be110f0dee17bdce5e3625f59947e0af62b86d2670e40953512feb6618afd6832c166d335bbbe4d49cb8c35d992811733be6b9352372695ecf604229eef0bd80

Download Submit
memory/1020-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1020-74-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download