d0402cb26e1a4e4c67578681c28639a5fc37f2485838d7600f1d6dfaa8bc7bf0

Analysis

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

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 21:57

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General

Target

1fb58a80028c62a6dc9b3359e1b02850N.exe
Size

30KB
MD5

1fb58a80028c62a6dc9b3359e1b02850
SHA1

44e3808573f6f821bd3fe0d4fe0e9ecaa09a339b
SHA256

d0402cb26e1a4e4c67578681c28639a5fc37f2485838d7600f1d6dfaa8bc7bf0
SHA512

49c06a480c874af8cbb2ab81ccd322c1147465668df8de61b22494d29f48602c8329eb6a42fb516041185091dc95c04e9b1e0b011a95a67fc4e1755ead183930
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeHhli3:CTWpji3

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3444) 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/files/0x0008000000018718-2.dat	upx
behavioral1/memory/2628-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x0002000000010622-6.dat	upx
behavioral1/memory/2628-72-0x0000000000400000-0x000000000040A000-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\lib\zi\America\Indiana\Petersburg.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.resources_3.9.1.v20140825-1431.jar.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Bishkek.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\bg\LC_MESSAGES\vlc.mo.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack.dll.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.console.nl_ja_4.4.0.v20140623020002.jar.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Microsoft Games\Chess\fr-FR\Chess.exe.mui.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\ShapeCollector.exe.mui.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\verify.dll.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Australia\Brisbane.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\plugin2\npjp2.dll.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jre7\bin\jaas_nt.dll.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Santiago.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Amman.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jre7\lib\zi\CST6CDT.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwritalm.dat.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Indian\Maldives.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jre7\lib\zi\ZoneInfoMappings.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access_output\libaccess_output_udp_plugin.dll.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\eventlog_provider.dll.tmp	1fb58a80028c62a6dc9b3359e1b02850N.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_preferencestyle.css.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-api-visual.xml.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\fa\LC_MESSAGES\vlc.mo.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Baghdad.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Vilnius.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\org-netbeans-modules-profiler_visualvm.jar.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Belize.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.feature_1.1.0.v20140827-1444\META-INF\ECLIPSE_.SF.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-nodes.xml.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-api-caching_zh_CN.jar.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-host-remote_zh_CN.jar.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\psfont.properties.ja.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Bougainville.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench.nl_ja_4.4.0.v20140623020002.jar.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-templates.xml.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Spades\it-IT\ShvlRes.dll.mui.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\audio_filter\libaudiobargraph_a_plugin.dll.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\mux\libmux_ts_plugin.dll.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Common Files\System\en-US\wab32res.dll.mui.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\PassportMask.wmv.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Thimphu.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.engine\profileRegistry\JMC.profile\1423861261279.profile.gz.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.apache.commons.logging_1.1.1.v201101211721.jar.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Microsoft Games\Minesweeper\it-IT\Minesweeper.exe.mui.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Web.Entity.dll.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\demux\libmpc_plugin.dll.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench3_0.12.0.v20140227-2118.jar.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.director_2.3.100.v20140224-1921.jar.tmp	1fb58a80028c62a6dc9b3359e1b02850N.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	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.ui.nl_zh_4.4.0.v20140623020002.jar.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Australia\Sydney.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\fr\System.Xml.Linq.Resources.dll.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\ConvertCompress.kix.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\Welcome.html.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jre7\lib\security\javaws.policy.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jre7\lib\zi\SystemV\CST6.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\DVD Maker\fr-FR\WMM2CLIP.dll.mui.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\default_apps\external_extensions.json.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT+1.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access_output\libaccess_output_file_plugin.dll.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\meta\reader\filename.luac.tmp	1fb58a80028c62a6dc9b3359e1b02850N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\redmenu.png.tmp	1fb58a80028c62a6dc9b3359e1b02850N.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	1fb58a80028c62a6dc9b3359e1b02850N.exe

C:\Users\Admin\AppData\Local\Temp\1fb58a80028c62a6dc9b3359e1b02850N.exe
"C:\Users\Admin\AppData\Local\Temp\1fb58a80028c62a6dc9b3359e1b02850N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2628

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
30KB

MD5
9630de694a7878789a05e810373fafa3

SHA1
78f72e71010d3abad0fdbb5090f635aec55f243f

SHA256
489865157e209408ffa843e93593bac4ae911ae53a1125f5c42ad8fd1275c654

SHA512
8961b1c89008a38070a5bc974efe41a42c1e52df9055710dfaeea756a482c834b1d8407a614bfa6620dcae4984dfa4765d7cba9b7dc2d09e0fcd5583a91a0fb0

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

Filesize
39KB

MD5
9898f663b4469901f2f78a6f590153b7

SHA1
3179e8b6f124c6248a6748436606f1da99fa6102

SHA256
242e100ad9b6462cd72b32aefc1902197144f71e94f8ef8b64a4edd11230d303

SHA512
9584b93ccf39a7ac6087aac47a754a5efddb8cad737a2a61c8d905a555bba3616c0f67c567d7bd4b770e75040469a5e9d308abbe9434f2aaf622dd524715c86b

Download Submit
memory/2628-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2628-72-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download