Analysis
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max time kernel
171s -
max time network
211s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
16-05-2022 13:52
Behavioral task
behavioral1
Sample
7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe
Resource
win10v2004-20220414-en
General
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Target
7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe
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Size
20.3MB
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MD5
8f8b7fa7e7bb2808e8dd27ef7548c28b
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SHA1
424f2dc28e6d36a640171f1a93c1367741c3f05a
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SHA256
7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d
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SHA512
1377d82b445088a17b68a4b45e5012ee2e93d8744c2f29a337a68e4b3c872e042e95f52563e7c13d25f4990d07a23823f3c5e9ae6750865fd2960d228c0b0a63
Malware Config
Signatures
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XMRig Miner Payload 1 IoCs
Processes:
resource yara_rule C:\Windows\svchost.exe xmrig -
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 1648 svchost.exe -
Sets file execution options in registry 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe" 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe -
Processes:
7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe -
Drops file in Program Files directory 64 IoCs
Processes:
7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exedescription ioc process File created C:\Program Files\Common Files\Microsoft Shared\ink\InputPersonalization.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\FlickLearningWizard.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\notification_helper.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\7-Zip\7z.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File created C:\Program Files\DVD Maker\DVDMaker.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\chrome_pwa_launcher.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\TabTip.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\InkWatson.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File created C:\Program Files\Common Files\Microsoft Shared\MSInfo\msinfo32.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File created C:\Program Files\Internet Explorer\iexplore.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\ConvertInkStore.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrmstp.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\7-Zip\7zG.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\mip.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe -
Drops file in Windows directory 4 IoCs
Processes:
7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exedescription ioc process File created C:\Windows\config.json 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File created C:\Windows\svchost.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Windows\config.json 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe File opened for modification C:\Windows\svchost.exe 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exesvchost.exedescription pid process Token: SeDebugPrivilege 1660 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe Token: 33 1660 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe Token: SeIncBasePriorityPrivilege 1660 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe Token: SeIncBasePriorityPrivilege 1648 svchost.exe Token: SeLockMemoryPrivilege 1648 svchost.exe Token: SeLockMemoryPrivilege 1648 svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exepid process 1660 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exedescription pid process target process PID 1660 wrote to memory of 1648 1660 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe svchost.exe PID 1660 wrote to memory of 1648 1660 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe svchost.exe PID 1660 wrote to memory of 1648 1660 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe svchost.exe PID 1660 wrote to memory of 1648 1660 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe svchost.exe -
System policy modification 1 TTPs 2 IoCs
Processes:
7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe"C:\Users\Admin\AppData\Local\Temp\7b81661cd1382b65231f4d669ddf064ebff7852cf567f89b3bf10525c047415d.exe"1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\svchost.exe"C:\Windows\svchost.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\config.jsonFilesize
1KB
MD588c5c5706d2e237422eda18490dc6a59
SHA1bb8d12375f6b995301e756de2ef4fa3a3f6efd39
SHA2564756a234ed3d61fe187d9b6140792e54e7b757545edff82df594a507e528ed8e
SHA512a417270a0d46de5bb06a621c0383c893042a506524713f89ba55567df6e5c3ac8b198bce5a0300ec6e716897bb53fd3e8289a51240157dc743004517673d4ab7
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C:\Windows\svchost.exeFilesize
833KB
MD54a87a4d6677558706db4afaeeeb58d20
SHA17738dc6a459f8415f0265d36c626b48202cd6764
SHA25608b55f9b7dafc53dfc43f7f70cdd7048d231767745b76dc4474370fb323d7ae7
SHA512bedd8ed4975df3fcd4a0f575d6f38e3841e7a4b771baac4f72033102a070818b8539eb101c50563d89d4f3454899a1cedb33047b02e421256dedf9aaf258b594
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memory/1648-55-0x0000000000000000-mapping.dmp
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memory/1660-54-0x0000000075761000-0x0000000075763000-memory.dmpFilesize
8KB