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Overview
overview
10Static
static
8Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Ryuk
windows7_x64
10Analysis
-
max time kernel
301s -
max time network
297s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
23/04/2021, 11:24
Static task
static1
Behavioral task
behavioral1
Sample
f937b1b7b3593a38702f870077658a891974edda.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
f2e040d2c5fea1fb5e9797f7deff0a63.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral3
Sample
ea67e662ba55629b40d0eddbaaafc824e5809f31c9e35222104637a67615c51d.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral4
Sample
e430730620feec3673b9c38d87482c9294421b19.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral5
Sample
de2b5aa6de6f7ff053308084217f7a9b977489027fb103729d6a7d94298c6a6b.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral6
Sample
c4bd712a7f7185a2224806b85f3c6ac48de067e38d554608b3ee92422d902b28.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral7
Sample
b513cfbd101e728ec41c9d6f6515278434820466bfe8e4bc1849f2418d3f86da.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral8
Sample
ac94165d63c75f4adf1728aa2ecb776ac7c1c18e.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral9
Sample
aaf3abc4054f800aaa429c4f2e4b20af.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral10
Sample
aaec6ae400b38b95ae414481d8d45f0281cf26f59f8592567dfe2223f66024ad.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral11
Sample
9b40b0d3b228d9e958c8d45fb8cec64c6851d113.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral12
Sample
8879a8d1508c3297200c608f3a93da5387521767c050f17aed78dde8a0cbfe12.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral13
Sample
7dee29fbeb5af549cb8a68dc47adf9721eb2b726.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral14
Sample
75a3cf8ced873ee7bc415e27e108496b.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral15
Sample
60c16e45c5cbe88a38911f1e3176d90444e4884261d8481d4d719acec1bc5025.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral16
Sample
4d74af75deddc969fef5fd89e65fa251.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral17
Sample
45295780f2ba837be42ccf50710bd2b5.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral18
Sample
352b1f3533ded8c575246d4466f68c49.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral19
Sample
2b10ad4890c4d6e2861533cc7260a9fdc7871ea2.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral20
Sample
1dd4a0983a6884dddc3edf27eb5fdfc87664ed63.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral21
Sample
09472e7d9209b7cfc3bbc2e815a2aa843133395b.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
-
Target
4d74af75deddc969fef5fd89e65fa251.exe
-
Size
274KB
-
MD5
4d74af75deddc969fef5fd89e65fa251
-
SHA1
1dd4a0983a6884dddc3edf27eb5fdfc87664ed63
-
SHA256
8879a8d1508c3297200c608f3a93da5387521767c050f17aed78dde8a0cbfe12
-
SHA512
56cbd165259045e262b064bc1d5dd242304ef30f34b9b899b9295f79aabba02cb09438ab0c429c3828b5c13e8ebcb8f5dbae85eb4c9490f65cec9807a24d062c
Score
10/10
Malware Config
Extracted
Path
C:\users\Public\RyukReadMe.html
Family
ryuk
Ransom Note
contact
balance of shadow universe
Ryuk
$password = '2neBqEej6'; $torlink = 'http://rk2zzyh63g5avvii4irkhymha3irblchdfj7prk6zwy23f6kahidkpqd.onion';
function info(){alert("INSTRUCTION:\r\n1. Download tor browser.\r\n2. Open link through tor browser: " + $torlink + "\r\n3. Fill the form, your password: "+ $password +"\r\nWe will contact you shortly.\r\nAlways send files for test decryption.");};
URLs
http://rk2zzyh63g5avvii4irkhymha3irblchdfj7prk6zwy23f6kahidkpqd.onion
Signatures
-
Ryuk
Ransomware distributed via existing botnets, often Trickbot or Emotet.
-
Executes dropped EXE 3 IoCs
pid Process 1864 tgmbcIDVerep.exe 400 aiZERgMbPlan.exe 968 WYnIsQOGplan.exe -
Modifies extensions of user files 3 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File opened for modification C:\Users\Admin\Pictures\MergeUpdate.tiff.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Users\Admin\Pictures\RevokeEnter.crw.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Users\Admin\Pictures\UnblockComplete.crw.RYK 4d74af75deddc969fef5fd89e65fa251.exe -
Loads dropped DLL 6 IoCs
pid Process 2040 4d74af75deddc969fef5fd89e65fa251.exe 2040 4d74af75deddc969fef5fd89e65fa251.exe 2040 4d74af75deddc969fef5fd89e65fa251.exe 2040 4d74af75deddc969fef5fd89e65fa251.exe 2040 4d74af75deddc969fef5fd89e65fa251.exe 2040 4d74af75deddc969fef5fd89e65fa251.exe -
Modifies file permissions 1 TTPs 2 IoCs
pid Process 2640 icacls.exe 2652 icacls.exe -
Drops desktop.ini file(s) 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI 4d74af75deddc969fef5fd89e65fa251.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\G: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\Z: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\Y: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\X: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\W: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\L: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\E: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\U: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\N: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\K: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\J: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\F: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\P: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\O: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\M: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\V: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\T: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\S: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\R: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\Q: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\I: 4d74af75deddc969fef5fd89e65fa251.exe File opened (read-only) \??\B: 4d74af75deddc969fef5fd89e65fa251.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.zh_CN_5.5.0.165303.jar 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.css.swt.theme.nl_ja_4.4.0.v20140623020002.jar 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Africa\Algiers 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00486_.WMF.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\Americana\TAB_OFF.GIF.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\sv-SE\tipresx.dll.mui 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\MSBuild\RyukReadMe.html 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0107456.WMF 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0382970.JPG 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PE03464_.WMF 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\requests\playlist_jstree.xml 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18238_.WMF 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Atlantic\Reykjavik.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0341447.JPG.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\BRCHUR11.POC 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\MSACCESS.DEV_COL.HXT 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Resource\TypeSupport\Unicode\ICU\icudt26l.dat.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18250_.WMF.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveDocumentReview\MarkupIconImages.jpg.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\QuickStyles\Simple.dotx.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA01858_.WMF 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00941_.WMF 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ENGLISH.LNG 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\icons\hprof-16.png.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\DD01176_.WMF.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO02028_.WMF.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.ui.sdk.nl_ja_4.4.0.v20140623020002.jar 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\Pipeline.v10.0\RyukReadMe.html 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\DD01015_.WMF.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18213_.WMF.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099186.JPG.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGACCBOX.XML.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hu-HU\tipresx.dll.mui 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\ast\LC_MESSAGES\vlc.mo 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\OneNote.en-us\SETUP.XML 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0187825.WMF 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.ssl.feature_1.0.0.v20140827-1444\feature.xml.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\MSB1STAR.DLL.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\WEBLINK.POC.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Full\NavigationUp_SelectionSubpicture.png 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\NavigationLeft_ButtonGraphic.png 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\intf\dummy.luac 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Effects\Austin.eftx.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\WINWORD.DEV.HXS.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\circleround_videoinset.png 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\javafx.properties 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Pacific\Tongatapu 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\PDIR46F.GIF 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.ui.zh_CN_5.5.0.165303.jar.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BS00145_.WMF.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0400002.PNG.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyrun.jar 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CONVERT\1033\DELIMR.FAE 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolIcons\MAIL.ICO 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\lib\gimap.jar 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-lib-uihandler.jar 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00454_.WMF.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.ui.ja_5.5.0.165303.jar 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Help\ITIRCL55.DLL 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\VideoLAN\VLC\skins\skin.catalog.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.ssl.feature_1.0.0.v20140827-1444\about.html 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Almaty.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\an\LC_MESSAGES\vlc.mo.RYK 4d74af75deddc969fef5fd89e65fa251.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\PAPYRUS\PREVIEW.GIF 4d74af75deddc969fef5fd89e65fa251.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5888 SCHTASKS.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2040 4d74af75deddc969fef5fd89e65fa251.exe 2040 4d74af75deddc969fef5fd89e65fa251.exe 2040 4d74af75deddc969fef5fd89e65fa251.exe 2040 4d74af75deddc969fef5fd89e65fa251.exe 2040 4d74af75deddc969fef5fd89e65fa251.exe 2040 4d74af75deddc969fef5fd89e65fa251.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2040 wrote to memory of 1864 2040 4d74af75deddc969fef5fd89e65fa251.exe 29 PID 2040 wrote to memory of 1864 2040 4d74af75deddc969fef5fd89e65fa251.exe 29 PID 2040 wrote to memory of 1864 2040 4d74af75deddc969fef5fd89e65fa251.exe 29 PID 2040 wrote to memory of 1864 2040 4d74af75deddc969fef5fd89e65fa251.exe 29 PID 2040 wrote to memory of 400 2040 4d74af75deddc969fef5fd89e65fa251.exe 30 PID 2040 wrote to memory of 400 2040 4d74af75deddc969fef5fd89e65fa251.exe 30 PID 2040 wrote to memory of 400 2040 4d74af75deddc969fef5fd89e65fa251.exe 30 PID 2040 wrote to memory of 400 2040 4d74af75deddc969fef5fd89e65fa251.exe 30 PID 2040 wrote to memory of 968 2040 4d74af75deddc969fef5fd89e65fa251.exe 31 PID 2040 wrote to memory of 968 2040 4d74af75deddc969fef5fd89e65fa251.exe 31 PID 2040 wrote to memory of 968 2040 4d74af75deddc969fef5fd89e65fa251.exe 31 PID 2040 wrote to memory of 968 2040 4d74af75deddc969fef5fd89e65fa251.exe 31 PID 2040 wrote to memory of 2640 2040 4d74af75deddc969fef5fd89e65fa251.exe 32 PID 2040 wrote to memory of 2640 2040 4d74af75deddc969fef5fd89e65fa251.exe 32 PID 2040 wrote to memory of 2640 2040 4d74af75deddc969fef5fd89e65fa251.exe 32 PID 2040 wrote to memory of 2640 2040 4d74af75deddc969fef5fd89e65fa251.exe 32 PID 2040 wrote to memory of 2652 2040 4d74af75deddc969fef5fd89e65fa251.exe 33 PID 2040 wrote to memory of 2652 2040 4d74af75deddc969fef5fd89e65fa251.exe 33 PID 2040 wrote to memory of 2652 2040 4d74af75deddc969fef5fd89e65fa251.exe 33 PID 2040 wrote to memory of 2652 2040 4d74af75deddc969fef5fd89e65fa251.exe 33 PID 2040 wrote to memory of 3268 2040 4d74af75deddc969fef5fd89e65fa251.exe 36 PID 2040 wrote to memory of 3268 2040 4d74af75deddc969fef5fd89e65fa251.exe 36 PID 2040 wrote to memory of 3268 2040 4d74af75deddc969fef5fd89e65fa251.exe 36 PID 2040 wrote to memory of 3268 2040 4d74af75deddc969fef5fd89e65fa251.exe 36 PID 3268 wrote to memory of 4048 3268 net.exe 41 PID 3268 wrote to memory of 4048 3268 net.exe 41 PID 3268 wrote to memory of 4048 3268 net.exe 41 PID 3268 wrote to memory of 4048 3268 net.exe 41 PID 2040 wrote to memory of 4060 2040 4d74af75deddc969fef5fd89e65fa251.exe 38 PID 2040 wrote to memory of 4060 2040 4d74af75deddc969fef5fd89e65fa251.exe 38 PID 2040 wrote to memory of 4060 2040 4d74af75deddc969fef5fd89e65fa251.exe 38 PID 2040 wrote to memory of 4060 2040 4d74af75deddc969fef5fd89e65fa251.exe 38 PID 2040 wrote to memory of 2900 2040 4d74af75deddc969fef5fd89e65fa251.exe 39 PID 2040 wrote to memory of 2900 2040 4d74af75deddc969fef5fd89e65fa251.exe 39 PID 2040 wrote to memory of 2900 2040 4d74af75deddc969fef5fd89e65fa251.exe 39 PID 2040 wrote to memory of 2900 2040 4d74af75deddc969fef5fd89e65fa251.exe 39 PID 2040 wrote to memory of 2820 2040 4d74af75deddc969fef5fd89e65fa251.exe 43 PID 2040 wrote to memory of 2820 2040 4d74af75deddc969fef5fd89e65fa251.exe 43 PID 2040 wrote to memory of 2820 2040 4d74af75deddc969fef5fd89e65fa251.exe 43 PID 2040 wrote to memory of 2820 2040 4d74af75deddc969fef5fd89e65fa251.exe 43 PID 4060 wrote to memory of 3028 4060 net.exe 46 PID 4060 wrote to memory of 3028 4060 net.exe 46 PID 4060 wrote to memory of 3028 4060 net.exe 46 PID 4060 wrote to memory of 3028 4060 net.exe 46 PID 2900 wrote to memory of 1324 2900 net.exe 45 PID 2900 wrote to memory of 1324 2900 net.exe 45 PID 2900 wrote to memory of 1324 2900 net.exe 45 PID 2900 wrote to memory of 1324 2900 net.exe 45 PID 2820 wrote to memory of 3116 2820 net.exe 47 PID 2820 wrote to memory of 3116 2820 net.exe 47 PID 2820 wrote to memory of 3116 2820 net.exe 47 PID 2820 wrote to memory of 3116 2820 net.exe 47 PID 2040 wrote to memory of 7116 2040 4d74af75deddc969fef5fd89e65fa251.exe 51 PID 2040 wrote to memory of 7116 2040 4d74af75deddc969fef5fd89e65fa251.exe 51 PID 2040 wrote to memory of 7116 2040 4d74af75deddc969fef5fd89e65fa251.exe 51 PID 2040 wrote to memory of 7116 2040 4d74af75deddc969fef5fd89e65fa251.exe 51 PID 2040 wrote to memory of 3652 2040 4d74af75deddc969fef5fd89e65fa251.exe 50 PID 2040 wrote to memory of 3652 2040 4d74af75deddc969fef5fd89e65fa251.exe 50 PID 2040 wrote to memory of 3652 2040 4d74af75deddc969fef5fd89e65fa251.exe 50 PID 2040 wrote to memory of 3652 2040 4d74af75deddc969fef5fd89e65fa251.exe 50 PID 7116 wrote to memory of 5912 7116 net.exe 54 PID 7116 wrote to memory of 5912 7116 net.exe 54 PID 7116 wrote to memory of 5912 7116 net.exe 54 PID 7116 wrote to memory of 5912 7116 net.exe 54
Processes
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C:\Users\Admin\AppData\Local\Temp\4d74af75deddc969fef5fd89e65fa251.exe"C:\Users\Admin\AppData\Local\Temp\4d74af75deddc969fef5fd89e65fa251.exe"1⤵
- Modifies extensions of user files
- Loads dropped DLL
- Drops desktop.ini file(s)
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Users\Admin\AppData\Local\Temp\tgmbcIDVerep.exe"C:\Users\Admin\AppData\Local\Temp\tgmbcIDVerep.exe" 9 REP2⤵
- Executes dropped EXE
PID:1864
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C:\Users\Admin\AppData\Local\Temp\aiZERgMbPlan.exe"C:\Users\Admin\AppData\Local\Temp\aiZERgMbPlan.exe" 8 LAN2⤵
- Executes dropped EXE
PID:400
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C:\Users\Admin\AppData\Local\Temp\WYnIsQOGplan.exe"C:\Users\Admin\AppData\Local\Temp\WYnIsQOGplan.exe" 8 LAN2⤵
- Executes dropped EXE
PID:968
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C:\Windows\SysWOW64\icacls.exeicacls "C:\*" /grant Everyone:F /T /C /Q2⤵
- Modifies file permissions
PID:2640
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C:\Windows\SysWOW64\icacls.exeicacls "D:\*" /grant Everyone:F /T /C /Q2⤵
- Modifies file permissions
PID:2652
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C:\Windows\SysWOW64\net.exe"C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y2⤵
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop "audioendpointbuilder" /y3⤵PID:4048
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C:\Windows\SysWOW64\net.exe"C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y2⤵
- Suspicious use of WriteProcessMemory
PID:4060 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop "audioendpointbuilder" /y3⤵PID:3028
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C:\Windows\SysWOW64\net.exe"C:\Windows\System32\net.exe" stop "samss" /y2⤵
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop "samss" /y3⤵PID:1324
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C:\Windows\SysWOW64\net.exe"C:\Windows\System32\net.exe" stop "samss" /y2⤵
- Suspicious use of WriteProcessMemory
PID:2820 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop "samss" /y3⤵PID:3116
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C:\Windows\SysWOW64\net.exe"C:\Windows\System32\net.exe" stop "samss" /y2⤵PID:3652
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop "samss" /y3⤵PID:5068
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C:\Windows\SysWOW64\net.exe"C:\Windows\System32\net.exe" stop "samss" /y2⤵
- Suspicious use of WriteProcessMemory
PID:7116 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop "samss" /y3⤵PID:5912
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C:\Windows\SysWOW64\SCHTASKS.exeSCHTASKS /CREATE /NP /SC DAILY /TN "PrintSm" /TR "C:\Windows\System32\cmd.exe /c for /l %x in (1,1,50) do start wordpad.exe /p C:\users\Public\KC1Il.dll" /ST 10:25 /SD 04/24/2021 /ED 05/01/20212⤵
- Creates scheduled task(s)
PID:5888
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C:\Windows\SysWOW64\net.exe"C:\Windows\System32\net.exe" stop "samss" /y2⤵PID:8772
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop "samss" /y3⤵PID:8832
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C:\Windows\SysWOW64\net.exe"C:\Windows\System32\net.exe" stop "samss" /y2⤵PID:8796
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop "samss" /y3⤵PID:8844
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