play | 52480d0a016e6df93f58ecc9a6e8d42177bd35e393406d464426a0951e206a36

Analysis

max time kernel
162s
max time network
131s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 20:06

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General

Target

ZYu4eR.exe
Size

458KB
MD5

a7220cc1827fca75b6e74efe59a8ea77
SHA1

836c066fff10ad423134f863528f4ec3d3e95962
SHA256

731457e4704d299b353e802b72a6908dfa2124cbb5130b8cb9a943c6be6bcdc6
SHA512

90cda9290fbc28187da837c4829fa1cd0084a58c87e58b6ddb0e70340b334507233bc0ab2c858462824e21babaaf2118dee68513e5c87fa7126d46bce5d38b21
SSDEEP

6144:4/MZO4aLcwC0IEVvO2UcxnwMSKY3m5MzrTV/yqUKmLzmZhbVPcK7lKWp+:4XiwC0pVvOwxSCirEXKPZh+Kdp+

Score

10^/10

play ransomware

Malware Config

Signatures

PLAY Ransomware, PlayCrypt
Ransomware family first seen in mid 2022.
ransomware play
Renames multiple (6566) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops desktop.ini file(s) 13 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\desktop.ini	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\desktop.ini	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\desktop.ini	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\desktop.ini	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\desktop.ini	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\desktop.ini	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\desktop.ini	ZYu4eR.exe
File opened for modification	C:\$Recycle.Bin\S-1-5-21-2180306848-1874213455-4093218721-1000\desktop.ini	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\desktop.ini	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\desktop.ini	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\Stationery\Desktop.ini	ZYu4eR.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\Stationery\Desktop.ini	ZYu4eR.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\G:	ZYu4eR.exe
File opened (read-only)	\??\K:	ZYu4eR.exe
File opened (read-only)	\??\M:	ZYu4eR.exe
File opened (read-only)	\??\O:	ZYu4eR.exe
File opened (read-only)	\??\R:	ZYu4eR.exe
File opened (read-only)	\??\V:	ZYu4eR.exe
File opened (read-only)	\??\Y:	ZYu4eR.exe
File opened (read-only)	\??\B:	ZYu4eR.exe
File opened (read-only)	\??\H:	ZYu4eR.exe
File opened (read-only)	\??\L:	ZYu4eR.exe
File opened (read-only)	\??\N:	ZYu4eR.exe
File opened (read-only)	\??\P:	ZYu4eR.exe
File opened (read-only)	\??\Q:	ZYu4eR.exe
File opened (read-only)	\??\W:	ZYu4eR.exe
File opened (read-only)	\??\A:	ZYu4eR.exe
File opened (read-only)	\??\E:	ZYu4eR.exe
File opened (read-only)	\??\J:	ZYu4eR.exe
File opened (read-only)	\??\U:	ZYu4eR.exe
File opened (read-only)	\??\I:	ZYu4eR.exe
File opened (read-only)	\??\S:	ZYu4eR.exe
File opened (read-only)	\??\T:	ZYu4eR.exe
File opened (read-only)	\??\X:	ZYu4eR.exe
File opened (read-only)	\??\Z:	ZYu4eR.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\de-DE\bckgRes.dll.mui	ZYu4eR.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\te\LC_MESSAGES\vlc.mo	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\Ole DB\oledbvbs.inc	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Monterrey	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.updatechecker.nl_ja_4.4.0.v20140623020002.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jre7\lib\net.properties	ZYu4eR.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\diner_dot.png	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0101856.BMP	ZYu4eR.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\whitevignette1047.png	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\deploy\messages_ja.properties	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\META-INF\ECLIPSE_.SF	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Tracker\reviews_sent.gif	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CONVERT\OL.SAM	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\security\local_policy.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Windows Journal\ja-JP\JNTFiltr.dll.mui	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PE03257_.WMF	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH01332U.BMP	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\J0115842.GIF	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\INFINTL.DLL	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\PDIR14F.GIF	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-uihandler_zh_CN.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-core-io-ui.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Windows Media Player\Media Renderer\connectionmanager_dmr.xml	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\LICLUA.EXE	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0217262.WMF	ZYu4eR.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\en-US\msaddsr.dll.mui	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-windows_zh_CN.jar	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Tracker\rss.gif	ZYu4eR.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\content-background.png	ZYu4eR.exe
File opened for modification	C:\Program Files\ExpandSuspend.snd	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.rcp.feature_1.2.0.v20140523-0116\license.html	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-util.xml	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\MSACCESS.DEV_COL.HXC	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0090070.WMF	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\Australia\Lindeman	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\desktop.ini	ZYu4eR.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\FlickLearningWizard.exe.mui	ZYu4eR.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\PreviousMenuButtonIconSubpi.png	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\Pacific\Galapagos	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\TR00097_.WMF	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\WB01843_.GIF	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.ICO	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-keyring-impl.xml	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\America\Guatemala	ZYu4eR.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_moon-waxing-crescent_partly-cloudy.png	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0089992.WMF	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0216112.JPG	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\DD00372_.WMF	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099203.GIF	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105504.WMF	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\logging.properties	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\gifs\help.gif	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jre7\lib\security\blacklist	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\Pacific\Guadalcanal	ZYu4eR.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\it-IT\js\timeZones.js	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SHOW_01.MID	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0157763.WMF	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0229389.WMF	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME19.CSS	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR34F.GIF	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\plugin.properties	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes.nl_zh_4.4.0.v20140623020002.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\ja-JP\js\picturePuzzle.js	ZYu4eR.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\Updater6\AdobeUpdater.cer	ZYu4eR.exe

C:\Users\Admin\AppData\Local\Temp\ZYu4eR.exe
"C:\Users\Admin\AppData\Local\Temp\ZYu4eR.exe"
1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Drops file in Program Files directory
PID:2112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\$Recycle.Bin\S-1-5-21-2180306848-1874213455-4093218721-1000\desktop.ini

Filesize
1KB

MD5
4089f82cd866f2327d7e147315693843

SHA1
8ebd83e4d9ca09170e5e3c952c3f3d4828a8955d

SHA256
74507db7c2c2d38ac70779ceaa2e449996d95200773457fb70c9a8631db30ded

SHA512
767c8a513f86022b3cc1b70b639fcef53ec9f6795c2ac94748819416a338bbdc6f9313c2897871b0513fc77aa051e26fe8998137fbf67c101cfebb63688f9f15

Download Submit
memory/2112-0-0x0000000000160000-0x000000000018C000-memory.dmp

Filesize
176KB

Download