36dcce34ed33fdeb4826a7e57cf9b86f666efc3a4637c13a697b3d79f800ba87

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/09/2024, 11:10

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General

Target

d73828d042040527dad227e2e46e2a00N.exe
Size

83KB
MD5

d73828d042040527dad227e2e46e2a00
SHA1

35eecc104a62545d0b1d572ce0052a1fdb019df2
SHA256

36dcce34ed33fdeb4826a7e57cf9b86f666efc3a4637c13a697b3d79f800ba87
SHA512

07ef749bf4da0cfc160b4bc9d7eb3b130436885b1e12bb0f6cf4f6009b429f8991aae152b427684a54c961d12ecbb3556f9593a92abfea9d4825944431854e82
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8IZTkb/b8QH:fnyiQSo7Zgr4QH

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3042) 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/2372-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000c000000012281-2.dat	upx
behavioral1/files/0x000c000000010546-6.dat	upx
behavioral1/memory/2372-74-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\IPSEventLogMsg.dll.mui.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT+4.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Microsoft Games\SpiderSolitaire\fr-FR\SpiderSolitaire.exe.mui.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\NavigationLeft_ButtonGraphic.png.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jre7\lib\resources.jar.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\El_Salvador.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Europe\Simferopol.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Full\dotsdarkoverlay.png.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Europe\Vienna.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Guadalcanal.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Indiana\Petersburg.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\ja-JP\bckgzm.exe.mui.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\ka\LC_MESSAGES\vlc.mo.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Kiritimati.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe.tmp	d73828d042040527dad227e2e46e2a00N.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\feature.properties.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Africa\Lagos.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\7-Zip\Lang\fi.txt.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\TravelIntroToMain_PAL.wmv.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_elf.dll.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Argentina\La_Rioja.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Mozilla Firefox\browser\features\[email protected]	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-sendopts.xml.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-explorer.xml.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\fr\System.Data.Services.resources.dll.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ConvertInkStore.exe.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Scenes_INTRO_BG_PAL.wmv.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\accessibility.properties.tmp	d73828d042040527dad227e2e46e2a00N.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\epl-v10.html.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.emf.common_2.10.1.v20140901-1043\epl-v10.html.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.director.app.nl_ja_4.4.0.v20140623020002.jar.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\7-Zip\Lang\sw.txt.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\nav_leftarrow.png.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.VisualElementsManifest.xml.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Australia\Perth.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Marquesas.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jsoundds.dll.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\jce.jar.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\schema\triggerEvaluators.exsd.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\ext\jhall-2.0_05.jar.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.win32.nl_ja_4.4.0.v20140623020002.jar.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\es-ES\IpsMigrationPlugin.dll.mui.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\bandwidth.png.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\NavigationUp_SelectionSubpicture.png.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.help_2.0.102.v20141007-2301\feature.xml.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\about.html.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Mozilla Firefox\libEGL.dll.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\sq\LC_MESSAGES\vlc.mo.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Shanghai.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.jarprocessor.nl_ja_4.4.0.v20140623020002.jar.tmp	d73828d042040527dad227e2e46e2a00N.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	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-jvmstat.xml.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\it-IT\MSTTSLoc.dll.mui.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\WinFXList.xml.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\fr\System.Data.Entity.Design.Resources.dll.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Kuching.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\tiptsf.dll.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msaddsr.dll.mui.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Circle_SelectionSubpictureB.png.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Internet Explorer\ielowutil.exe.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\win32_MoveNoDrop32x32.gif.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.frameworkadmin.equinox_1.0.500.v20131211-1531.jar.tmp	d73828d042040527dad227e2e46e2a00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-modules-profiler-attach.xml.tmp	d73828d042040527dad227e2e46e2a00N.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	d73828d042040527dad227e2e46e2a00N.exe

C:\Users\Admin\AppData\Local\Temp\d73828d042040527dad227e2e46e2a00N.exe
"C:\Users\Admin\AppData\Local\Temp\d73828d042040527dad227e2e46e2a00N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2372

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-1-5-21-4177215427-74451935-3209572229-1000\desktop.ini.tmp

Filesize
84KB

MD5
aec0f80d17582a9e42cadf3e3d80eb41

SHA1
38a4b2c20efc1837d2bc2daef2a6044c3e52e774

SHA256
74398e3532211877a4fc3d64661c9b00e242221ac669a6e7d21d237c6f0ee890

SHA512
e891e8be7eb47b0cf58d50a754c1d1faedd37fc26d8ec5d92b6de30220cc14020f086ae3f4520abe5186b326d8a33555d87f10653a28a49655ea75724a8240e0

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

Filesize
93KB

MD5
e2f4f135466b67d2f5f4eedaab3b7a8a

SHA1
45ff043727e962424d8670675d30579a28850d8a

SHA256
63ea2012d2cb2acd8bfb8ccf7682e83b540dcfac376acf8ebb0d2b218a684c18

SHA512
7a67a4fac5023f69fa735402640674260ea9ab21580715960e691657b23335930cbf708ec0acf73ba1237fe9b8ff371a8e475ffb2724e75abaea535edcc8f7b6

Download Submit
memory/2372-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2372-74-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download