b15fb6ed5dd5f672d5187a4049fe41e1c18c8ec38c3c013f8b204ff881aa2aff

Analysis

max time kernel
120s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02/09/2024, 02:37

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General

Target

c7e20af461712de66036149ba969aec0N.exe
Size

36KB
MD5

c7e20af461712de66036149ba969aec0
SHA1

01b41a35535bd68ca6bd4e9fc1ec1e42c9327e1a
SHA256

b15fb6ed5dd5f672d5187a4049fe41e1c18c8ec38c3c013f8b204ff881aa2aff
SHA512

161d8e3db83d883eafde98c35cb0479097f4b766d2c7c38ffe94b9adea3f1ea2eca436af63c50b82817ab3e03ae041f377919b52b8c3f5856be0f72bb4fb9f21
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9ffgT+i1xrfgT+i1xtWzbHVcoN5i1xBzbHVcc:CTW7JJ7T5YXYibmRbmm

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3452) 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/1848-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x0007000000012117-2.dat	upx
behavioral1/files/0x0002000000010557-6.dat	upx
behavioral1/memory/1848-75-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\VideoLAN\VLC\plugins\visualization\libgoom_plugin.dll.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaremr.dll.mui.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Full\NavigationLeft_SelectionSubpicture.png.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\nio.dll.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\UCT.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\fr\System.Data.DataSetExtensions.Resources.dll.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\js\jquery.jstree.js.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\DVD Maker\es-ES\DVDMaker.exe.mui.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_travel_Thumbnail.bmp.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.cpl.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Brussels.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Europe\Vilnius.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_es.jar.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\EST5EDT.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\feature.properties.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\demux\libdiracsys_plugin.dll.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\7-Zip\Lang\ta.txt.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-api-search_ja.jar.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-core-kit.jar.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcor.dll.mui.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\VERSION.txt.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\spu\libmarq_plugin.dll.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\pl-PL\tipresx.dll.mui.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\TitleButtonSubpicture.png.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\VideoLAN\VLC\VideoLAN Website.url.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\Welcome.html.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.nl_ja_4.4.0.v20140623020002.jar.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jre7\bin\unpack200.exe.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jre7\lib\jfr\profile.jfc.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\fr\System.Windows.Presentation.resources.dll.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\include\classfile_constants.h.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.core\cache\binary\org.eclipse.rcp_root_4.4.0.v20141007-2301.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-core-ui.xml.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-application.xml.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jre7\lib\images\cursors\win32_CopyDrop32x32.gif.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\7-Zip\Lang\sk.txt.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jre7\bin\dt_socket.dll.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Indian\Cocos.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\es\System.Data.Entity.Design.Resources.dll.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\7-Zip\Lang\mk.txt.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Internet Explorer\perf_nt.dll.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\MET.tmp	c7e20af461712de66036149ba969aec0N.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	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-multiview_ja.jar.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jre7\bin\plugin2\msvcr100.dll.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\locale\org-openide-modules_ja.jar.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core_zh_CN.jar.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jre7\bin\deploy.dll.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jre7\lib\security\javaws.policy.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Microsoft Office\Office14\ONLNTCOMLIB.DLL.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\dcpr.dll.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT-11.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jre7\bin\java-rmi.exe.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jre7\lib\images\cursors\win32_LinkNoDrop32x32.gif.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\lv-LV\tipresx.dll.mui.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.console.nl_zh_4.4.0.v20140623020002.jar.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\demux\libimage_plugin.dll.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Windows Defender\en-US\MpEvMsg.dll.mui.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaremr.dll.mui.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\schema\com.jrockit.mc.rjmx.actionProvider.exsd.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-api-visual.xml.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe.tmp	c7e20af461712de66036149ba969aec0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\control\libnetsync_plugin.dll.tmp	c7e20af461712de66036149ba969aec0N.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	c7e20af461712de66036149ba969aec0N.exe

C:\Users\Admin\AppData\Local\Temp\c7e20af461712de66036149ba969aec0N.exe
"C:\Users\Admin\AppData\Local\Temp\c7e20af461712de66036149ba969aec0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1848

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-1-5-21-3294248377-1418901787-4083263181-1000\desktop.ini.tmp

Filesize
37KB

MD5
6057a8b78e804d0fcf8c5317ce7fffec

SHA1
72ec112cee7393c33b8be2c7bf7f0e94163068d9

SHA256
d50666dd7d52c58a5c5892af6069e0a206f2d9a5342229d74159be475615318e

SHA512
27ea868b38eaf4704a0069eb3a25812f7aa965069978d0cf4363363d729f4ae2ca6bca05d4eec9e345983abd76524436f569d22621d8cf5cd4ec00378283c42f

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

Filesize
45KB

MD5
e2c2b4b952f548c7b9ecf71f6bf0bb95

SHA1
b6e6815bb730c60691237a34f154bc639b77ed3e

SHA256
10cc394b10be2ba1704ebd10ebbf19fdb75feb5c93c153844f3794a34b169d7b

SHA512
9b8347b6f2d83ee0077c0e0258dcea8f3a63eaacd4c0a92cc7d5d33c558cf9f66bd129d5b9c4e4d5b3d2ef5425913d1b14164a12e74a2360af5263155f8f840a

Download Submit
memory/1848-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1848-75-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download