play | 52480d0a016e6df93f58ecc9a6e8d42177bd35e393406d464426a0951e206a36

Analysis

max time kernel
151s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2023, 20:07

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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 (2485) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\$Recycle.Bin\S-1-5-21-919254492-3979293997-764407192-1000\desktop.ini	ZYu4eR.exe
File opened for modification	C:\Program Files\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)	\??\V:	ZYu4eR.exe
File opened (read-only)	\??\Y:	ZYu4eR.exe
File opened (read-only)	\??\Z:	ZYu4eR.exe
File opened (read-only)	\??\E:	ZYu4eR.exe
File opened (read-only)	\??\N:	ZYu4eR.exe
File opened (read-only)	\??\R:	ZYu4eR.exe
File opened (read-only)	\??\U:	ZYu4eR.exe
File opened (read-only)	\??\G:	ZYu4eR.exe
File opened (read-only)	\??\H:	ZYu4eR.exe
File opened (read-only)	\??\O:	ZYu4eR.exe
File opened (read-only)	\??\K:	ZYu4eR.exe
File opened (read-only)	\??\L:	ZYu4eR.exe
File opened (read-only)	\??\M:	ZYu4eR.exe
File opened (read-only)	\??\S:	ZYu4eR.exe
File opened (read-only)	\??\T:	ZYu4eR.exe
File opened (read-only)	\??\A:	ZYu4eR.exe
File opened (read-only)	\??\B:	ZYu4eR.exe
File opened (read-only)	\??\I:	ZYu4eR.exe
File opened (read-only)	\??\X:	ZYu4eR.exe
File opened (read-only)	\??\W:	ZYu4eR.exe
File opened (read-only)	\??\J:	ZYu4eR.exe
File opened (read-only)	\??\P:	ZYu4eR.exe
File opened (read-only)	\??\Q:	ZYu4eR.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\System\msadc\ja-JP\msaddsr.dll.mui	ZYu4eR.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\MEIPreload\manifest.json	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\gifs\doclib.gif	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\modules\locale\org-netbeans-modules-applemenu_zh_CN.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Glossy.eftx	ZYu4eR.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\hwrlatinlm.dat	ZYu4eR.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\LogoBeta.png	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.core.databinding_1.4.2.v20140729-1044.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.ui.win32.nl_ja_4.4.0.v20140623020002.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-jvmstat_ja.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-threaddump.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\lib\meta-index	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\title.htm	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.e4.core.di.extensions_0.12.0.v20140417-2033.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.equinox.p2.garbagecollector_1.0.200.v20131115-1210.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\modules\org-openide-io.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\update_tracking\org-netbeans-core-execution.xml	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\profiler\modules\org-netbeans-modules-profiler-oql.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial4-ppd.xrm-ms	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription5-ppd.xrm-ms	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\include\jawt.h	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.core.databinding.observable_1.4.1.v20140210-1835.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\profiler\config\Modules\org-netbeans-lib-profiler.xml	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\TrebuchetMs.xml	ZYu4eR.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.sig	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.ssl.feature_1.0.0.v20140827-1444\epl-v10.html	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench.renderers.swt.nl_zh_4.4.0.v20140623020002.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\lib\deploy\messages_zh_CN.properties	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\config\Modules\org-netbeans-modules-keyring-fallback.xml	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-pl.xrm-ms	ZYu4eR.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert.xml	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.equinox.frameworkadmin_2.0.100.v20131209-2144.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-host-remote.xml	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\lib\psfont.properties.ja	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\PackageManifests\AppXManifestLoc.16.en-us.xml	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Office Theme.thmx	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-ppd.xrm-ms	ZYu4eR.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\ja-JP\msadcor.dll.mui	ZYu4eR.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\WidevineCdm\LICENSE	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-ul-phn.xrm-ms	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ppd.xrm-ms	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-pl.xrm-ms	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-phn.xrm-ms	ZYu4eR.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TabTip.exe.mui	ZYu4eR.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\ja-JP\msdasqlr.dll.mui	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\server\Xusage.txt	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\lib\ext\meta-index	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\com.jrockit.mc.browser_5.5.0.165303.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\config\Modules\org-netbeans-core-ui.xml	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ul-oob.xrm-ms	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial-pl.xrm-ms	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-pl.xrm-ms	ZYu4eR.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.cab.cat	ZYu4eR.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-changjei.xml	ZYu4eR.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ko-KR\tipresx.dll.mui	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\modules\locale\org-openide-loaders_ja.jar	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\PersonalDemoR_BypassTrial180-ppd.xrm-ms	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-ul-oob.xrm-ms	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\config\Modules\org-netbeans-modules-masterfs.xml	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0000-1000-0000000FF1CE.xml	ZYu4eR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-pl.xrm-ms	ZYu4eR.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fy.txt	ZYu4eR.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\de-DE\msdaprsr.dll.mui	ZYu4eR.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-sampler.xml	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:2692

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

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-919254492-3979293997-764407192-1000\desktop.ini

Filesize
1KB

MD5
b50f8be8ca36102c258c8614c3fc4fd7

SHA1
60ca49735da14e29ea6d0984d6a1db0050df3a18

SHA256
6aff302d6a296effee7e74bf4df616ba5e52a9794a4157998e24b4877ad67af8

SHA512
61e1caa1478428dbadabc3da9ebdf05be14a25fb26da9586bbe2aba2cff25519181f206604619d8d5802952abb8e54bb9c7795ad3588e57d053f35c0dc2d52ff

Download Submit
memory/2692-0-0x0000000002CF0000-0x0000000002D1C000-memory.dmp

Filesize
176KB

Download