d32848fc09fb814245e327e4d417904ca4b5ae7b666e3ff05aaf2fd384de9d54

Analysis

max time kernel
120s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02/09/2024, 06:57

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General

Target

a765590f8485e653819d8e0832b1fc90N.exe
Size

54KB
MD5

a765590f8485e653819d8e0832b1fc90
SHA1

2cfad5d0fb72e190b59752351daca2670a596b97
SHA256

d32848fc09fb814245e327e4d417904ca4b5ae7b666e3ff05aaf2fd384de9d54
SHA512

61a25cf71bac2fcf91410c540e795fae78b6e962efa3e44c2fe96dc36208dbcee3495b9652900345d4ba27af0443bcac0437ef62d532605419838b30b664b3bb
SSDEEP

768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATNy2/mepYXwILQ7ZVnEbisFhiXFhari:CTW7JJZENTNyavf73tQqarjry

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3260) 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/2516-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x000c00000001227f-2.dat	upx
behavioral1/files/0x0002000000010622-6.dat	upx
behavioral1/memory/2516-71-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.cpl.tmp	a765590f8485e653819d8e0832b1fc90N.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	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Detroit.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Core.dll.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\7-Zip\Lang\cs.txt.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Postage_SelectionSubpicture.png.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-sendopts.jar.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jre7\lib\deploy\ffjcext.zip.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\it\UIAutomationClientsideProviders.resources.dll.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\MSInfo\it-IT\msinfo32.exe.mui.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-text_ja.jar.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Grand_Turk.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\North_Dakota\Center.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\intf\dumpmeta.luac.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Nassau.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.rcp.feature_1.2.0.v20140523-0116\META-INF\ECLIPSE_.SF.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Common Files\System\ado\msado28.tlb.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Chita.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libddummy_plugin.dll.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrdeulm.dat.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.babel.nls_eclipse_zh_4.4.0.v20140623020002\epl-v10.html.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\winXPHandle.png.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Internet Explorer\F12.dll.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaprsr.dll.mui.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\requests\vlm.xml.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\FlickLearningWizard.exe.mui.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Argentina\Tucuman.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Microsoft Games\FreeCell\FreeCellMCE.png.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Scenes_INTRO_BG.wmv.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Riga.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Nauru.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\Welcome.html.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-javahelp_zh_CN.jar.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-compat.xml.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Juneau.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\sqlxmlx.rll.mui.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ja\WindowsBase.resources.dll.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libtwolame_plugin.dll.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\mr\LC_MESSAGES\vlc.mo.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Heart_ButtonGraphic.png.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jre7\bin\gstreamer-lite.dll.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\audio_mixer\libfloat_mixer_plugin.dll.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Wrinkled_Paper.gif.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench.renderers.swt_0.12.1.v20140903-1023.jar.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Mozilla Firefox\api-ms-win-crt-heap-l1-1-0.dll.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\requests\vlm_cmd.xml.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\NavigationRight_SelectionSubpicture.png.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.ui_2.3.0.v20140404-1657.jar.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Mozilla Firefox\maintenanceservice.exe.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\demux\libpva_plugin.dll.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\hr.pak.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libcc_plugin.dll.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Dili.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\NavigationRight_SelectionSubpicture.png.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\ext\jaccess.jar.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\security\javaws.policy.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.emf.common_2.10.1.v20140901-1043\META-INF\ECLIPSE_.SF.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrdeush.dat.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Accra.tmp	a765590f8485e653819d8e0832b1fc90N.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	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Java\jre7\bin\dtplugin\deployJava1.dll.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\Mozilla Firefox\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	a765590f8485e653819d8e0832b1fc90N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\nl\LC_MESSAGES\vlc.mo.tmp	a765590f8485e653819d8e0832b1fc90N.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	a765590f8485e653819d8e0832b1fc90N.exe

C:\Users\Admin\AppData\Local\Temp\a765590f8485e653819d8e0832b1fc90N.exe
"C:\Users\Admin\AppData\Local\Temp\a765590f8485e653819d8e0832b1fc90N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2516

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-1-5-21-940600906-3464502421-4240639183-1000\desktop.ini.tmp

Filesize
54KB

MD5
3a89b6b382091d528d0d2ee3b68a0b08

SHA1
97f3b76569cb82e06efc72ce5dd58d456bad80f0

SHA256
39ab524bb5c61f34998e7a16e6fd89af595cde909151142010dfa2a06134a71d

SHA512
17b497a2bc463861290ae7e6df4291b89a353bca326d8992bb144d537c109a29921c9110749aabdcc0876d460f904363040223f18e2b83b4b72d4dc8e455ba96

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

Filesize
63KB

MD5
28d11c6c185dc03bf59166e881075623

SHA1
40807858e1faa40c302d1bbdf5d91c9ef7fa7237

SHA256
894e8bb13c7a913dac1cf34f0e5a80437b0b667bb6b360db76b87358d7a07308

SHA512
3034bfd3ceefb83f2bc10632372390ebdfb79697e43f0cd7742b480844b41bcab38eec8b4666fdf6a94be6947863a935f32d3f381a22f4f4a94a07305f7a8234

Download Submit
memory/2516-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2516-71-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download