6621db78a44de317ec13ec074032cc9b09081c2625604dffd049e339ac0ff67c

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/09/2024, 06:45

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General

Target

c1c91dfef1dfb5509d605074408be530N.exe
Size

63KB
MD5

c1c91dfef1dfb5509d605074408be530
SHA1

dcc383ee8375d74d9feada84c9d839adddd87564
SHA256

6621db78a44de317ec13ec074032cc9b09081c2625604dffd049e339ac0ff67c
SHA512

a3bad13076d6022253e613a04651b933f77d3ec06c2871fbad8800fc91bcc621ab92fb930552ab7edd68fa6dd2418f00d343bee91f4b95794b2e461d0cf2b3ee
SSDEEP

1536:V7Zf/FAxTWoJJTU3UytJfOKI+h/YI+h/BMJevJea:fny1sI+h/YI+h/Bl

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3189) 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/2080-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0007000000012119-2.dat	upx
behavioral1/files/0x0002000000010541-6.dat	upx
behavioral1/memory/2080-74-0x0000000000400000-0x000000000040B000-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\lib\zi\America\North_Dakota\New_Salem.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-host-remote.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\libbluray-awt-j2se-1.3.2.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Internet Explorer\sqmapi.dll.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.emf.common_2.10.1.v20140901-1043\license.html.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\gifs\feedbck2.gif.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.apache.batik.css_1.7.0.v201011041433.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-explorer.xml.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\fr\System.Speech.resources.dll.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Internet Explorer\iediagcmd.exe.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench.swt.nl_ja_4.4.0.v20140623020002.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Mozilla Firefox\default-browser-agent.exe.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-execution.xml.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\UIAutomationTypes.dll.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\7-Zip\7-zip.dll.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\tabskb.dll.mui.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\DVD Maker\de-DE\DVDMaker.exe.mui.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\css\dark\e4-dark_partstyle.css.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-snaptracer_ja.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-coredump_zh_CN.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Khandyga.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\am_ET\LC_MESSAGES\vlc.mo.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\7-Zip\Lang\hi.txt.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\passport_mask_right.png.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-spi-quicksearch_zh_CN.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-application.xml.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jre7\bin\sunec.dll.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\it\PresentationBuildTasks.resources.dll.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\es\System.Management.Instrumentation.Resources.dll.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.property.nl_zh_4.4.0.v20140623020002.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.property_1.4.200.v20140214-0004.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-lib-profiler-charts_zh_CN.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jre7\lib\ext\zipfs.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\requests\vlm.xml.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Common Files\System\msadc\msdaprst.dll.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-keyring_zh_CN.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-progress-ui.xml.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\bin\setNetworkServerCP.bat.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\alt-rt.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.nl_ja_4.4.0.v20140623020002.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.base_4.0.200.v20141007-2301.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Anadyr.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\icons\hprof-16.png.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Macau.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Microsoft Games\Hearts\Hearts.exe.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Microsoft Games\Hearts\it-IT\Hearts.exe.mui.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\zip.dll.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Ojinaga.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Indian\Mauritius.tmp	c1c91dfef1dfb5509d605074408be530N.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	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.browser_5.5.0.165303.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.mbeanbrowser.zh_CN_5.5.0.165303.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-autoupdate-services.xml.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Shatter\shatter.png.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\icudtl.dat.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Guayaquil.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx.ja_5.5.0.165303.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-masterfs.jar.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jre7\lib\deploy\ffjcext.zip.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\es-ES\InputPersonalization.exe.mui.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\win32_LinkDrop32x32.gif.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Amman.tmp	c1c91dfef1dfb5509d605074408be530N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.babel.nls_eclipse_zh_4.4.0.v20140623020002\eclipse_update_120.jpg.tmp	c1c91dfef1dfb5509d605074408be530N.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	c1c91dfef1dfb5509d605074408be530N.exe

C:\Users\Admin\AppData\Local\Temp\c1c91dfef1dfb5509d605074408be530N.exe
"C:\Users\Admin\AppData\Local\Temp\c1c91dfef1dfb5509d605074408be530N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2080

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-1-5-21-1846800975-3917212583-2893086201-1000\desktop.ini.tmp

Filesize
64KB

MD5
c7b510e59f74eb7dc34c5f0fedf76174

SHA1
025e2a13a084e1e2210f7f3861b7662410b154fa

SHA256
71132168cb6d838bff952a1893f6171e4f7c39b768bc324ba1bd40ffd7cd4265

SHA512
767347ef70042e2437e496b38e3addbe2c8fcb61d5d05c24daa3e665466eadb325409a7f5a0a8f331f72b0d0e5ccebf21d884f266cd6c7cd0c069973421870b7

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

Filesize
73KB

MD5
134b2a17f0a01057de50749494bd1e3a

SHA1
7f8ef99934d0306092e2e958f7128d971bf3dee1

SHA256
4f9aa5d70cd4fe4b76d367ad8c90633906235b6b8e6e0d15d2b3a7ea4562506f

SHA512
77d2f7ce2d6e6566771b30a6681b8de370da019de69c17809b31a827731d0ed411dfb430da485932119d99ccc70d267728a6611aefd7dd40859ebb5aa87e00bb

Download Submit
memory/2080-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2080-74-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download