15c1a92eb466e225f23bb6b1cfa7d1c1bd0dc8300f68998a403b80f8a0a7aa57

Analysis

max time kernel
120s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-09-2024 11:14

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General

Target

c05ab772cffa771f3f489b3e151b4650N.exe
Size

45KB
MD5

c05ab772cffa771f3f489b3e151b4650
SHA1

1ccd5519fac2db35873f4a7ae578ec6be4369d3b
SHA256

15c1a92eb466e225f23bb6b1cfa7d1c1bd0dc8300f68998a403b80f8a0a7aa57
SHA512

7950e9c3c11d5fc5d62423986c5f376375c5d92ceef3f58af0c632244dec9f40b4f1c913e922382693d3a4d6b5ff789f668ac0129fd2aa6e9132616f89bb7eee
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9HXEpwuD7I/pwuD7I5yAohGCYyAohG6dwEbds:CTW7JJ7TFXCwnwDy4CYy46dwEbdwEU

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3273) 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/2076-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x000a00000001202c-2.dat	upx
behavioral1/files/0x0002000000010489-6.dat	upx
behavioral1/memory/2076-71-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\jsdbgui.dll.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\FlipPage\pagecurl.png.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Internet Explorer\Timeline_is.dll.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-charts_ja.jar.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jre7\bin\javafx-font.dll.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Mozilla Firefox\api-ms-win-crt-environment-l1-1-0.dll.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Filters\msgfilt.dll.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\PST8PDT.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\com.jrockit.mc.feature.rcp.ja_5.5.0.165303\feature.properties.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Accra.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ShapeCollector.exe.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\calendars.properties.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Noumea.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-util-lookup.xml.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\org-netbeans-modules-profiler_visualvm.jar.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\cs\LC_MESSAGES\vlc.mo.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\dialogs\mosaic_window.html.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\7-Zip\Lang\ast.txt.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\NavigationLeft_SelectionSubpicture.png.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Creston.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Mozilla Firefox\browser\features\[email protected]	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Mozilla Firefox\nss3.dll.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\DvdTransform.fx.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\deploy\messages_de.properties.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\SystemV\EST5.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-windows.xml.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\audio_filter\libequalizer_plugin.dll.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\ClearMount.eps.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.webapp_3.6.300.v20140407-1855.jar.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jre7\bin\dt_shmem.dll.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jre7\lib\alt-rt.jar.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\it\System.ServiceModel.Resources.dll.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Internet Explorer\ielowutil.exe.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jre7\bin\server\Xusage.txt.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT+11.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.repository_2.3.0.v20131211-1531.jar.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-application-views.xml.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Antarctica\Rothera.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\de\System.Net.Resources.dll.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\pt_PT\LC_MESSAGES\vlc.mo.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\tiptsf.dll.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\DVD Maker\SecretST.TTF.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\org-netbeans-modules-profiler-oql.jar.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\7-Zip\Lang\hr.txt.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\plugin.jar.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\playlist\twitch.luac.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Notes_LOOP_BG_PAL.wmv.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-spi-actions.xml.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-profiling_zh_CN.jar.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\North_Dakota\Beulah.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\decora-sse.dll.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-sampler.xml.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-threaddump.jar.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Africa\Abidjan.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Araguaina.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Miquelon.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\es\PresentationBuildTasks.resources.dll.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\audio_output\libwasapi_plugin.dll.tmp	c05ab772cffa771f3f489b3e151b4650N.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\prodbig.gif.tmp	c05ab772cffa771f3f489b3e151b4650N.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	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.extensionlocation.nl_zh_4.4.0.v20140623020002.jar.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\nb\LC_MESSAGES\vlc.mo.tmp	c05ab772cffa771f3f489b3e151b4650N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Stucco.gif.tmp	c05ab772cffa771f3f489b3e151b4650N.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	c05ab772cffa771f3f489b3e151b4650N.exe

C:\Users\Admin\AppData\Local\Temp\c05ab772cffa771f3f489b3e151b4650N.exe
"C:\Users\Admin\AppData\Local\Temp\c05ab772cffa771f3f489b3e151b4650N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2076

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-1-5-21-2958949473-3205530200-1453100116-1000\desktop.ini.tmp

Filesize
45KB

MD5
83628faef22167b7fa4c52f27a7d5463

SHA1
da58d23696dea6e13de2d9fa6824d611b52a29f3

SHA256
d6b53aafb0339a77fba460f095c11e9d94226c33f2a3217fb15029693a2708ed

SHA512
9f148fd8a5635dd5ed67a38fe29b036b4ed6660661ce4753ad3b1f1cd7aa761f2b81be13a8d22d0fde357b1c9d156fe260b4da2083769d85fed7b60960e856fb

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

Filesize
54KB

MD5
ea529622c91731d8574934df33acc544

SHA1
e90cde935fab3f43169151d66c94060ba9da8a4d

SHA256
dbb0a6b189d0789baba116583afa56ac84d4e18968c1f647d9013d325734eabe

SHA512
afbdcc6a756885dde41ce226789bccc904426195a8af9c54d64abb2a305735d1f66b85b62ead77b413edeb3821df0aa8ef3926c1ad154c56199f73e3a57209f8

Download Submit
memory/2076-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2076-71-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download