Analysis
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max time kernel
7s -
max time network
13s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
05-05-2021 02:15
Static task
static1
Behavioral task
behavioral1
Sample
9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe
Resource
win10v20210408
General
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Target
9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe
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Size
80KB
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MD5
d64d84d57fc9cc6528acf7b78e0698ff
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SHA1
4a41c8a73a62aa28984c442ad1172323776fca28
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SHA256
9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598
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SHA512
909733bcb2fec9f65266a886d0d2a0b3a9e27fa3904876eb5e9387946cfbba2546ad12df56bfdb58b0454ef2900ed3eff52a4683e27d6984ace02c68633b3bbb
Malware Config
Signatures
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Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\uRubfT.exe aspack_v212_v242 \Users\Admin\AppData\Local\Temp\uRubfT.exe aspack_v212_v242 C:\Users\Admin\AppData\Local\Temp\uRubfT.exe aspack_v212_v242 C:\Users\Admin\AppData\Local\Temp\uRubfT.exe aspack_v212_v242 -
Executes dropped EXE 1 IoCs
Processes:
uRubfT.exepid process 1388 uRubfT.exe -
Loads dropped DLL 2 IoCs
Processes:
9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exepid process 1420 9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe 1420 9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe -
Drops file in Program Files directory 64 IoCs
Processes:
uRubfT.exedescription ioc process File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe uRubfT.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe uRubfT.exe File opened for modification C:\Program Files\7-Zip\7z.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe uRubfT.exe File opened for modification C:\Program Files\Java\jre7\bin\rmiregistry.exe uRubfT.exe File opened for modification C:\Program Files\Java\jre7\bin\ssvagent.exe uRubfT.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-hang-ui.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE uRubfT.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe uRubfT.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe uRubfT.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe uRubfT.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe uRubfT.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE uRubfT.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe uRubfT.exe File opened for modification C:\Program Files\Java\jre7\bin\javacpl.exe uRubfT.exe File opened for modification C:\Program Files\Java\jre7\bin\jp2launcher.exe uRubfT.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe uRubfT.exe File opened for modification C:\Program Files\Windows Defender\MSASCui.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.35.452\GoogleUpdateBroker.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE uRubfT.exe File opened for modification C:\Program Files\7-Zip\7zG.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe uRubfT.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrmstp.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE uRubfT.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE uRubfT.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE uRubfT.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe uRubfT.exe File opened for modification C:\Program Files\Java\jre7\bin\pack200.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe uRubfT.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe uRubfT.exe File opened for modification C:\Program Files\Java\jre7\bin\tnameserv.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.35.452\GoogleCrashHandler64.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE uRubfT.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE uRubfT.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 WriteProcessMemory 8 IoCs
Processes:
9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exeuRubfT.exedescription pid process target process PID 1420 wrote to memory of 1388 1420 9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe uRubfT.exe PID 1420 wrote to memory of 1388 1420 9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe uRubfT.exe PID 1420 wrote to memory of 1388 1420 9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe uRubfT.exe PID 1420 wrote to memory of 1388 1420 9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe uRubfT.exe PID 1388 wrote to memory of 1008 1388 uRubfT.exe cmd.exe PID 1388 wrote to memory of 1008 1388 uRubfT.exe cmd.exe PID 1388 wrote to memory of 1008 1388 uRubfT.exe cmd.exe PID 1388 wrote to memory of 1008 1388 uRubfT.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe"C:\Users\Admin\AppData\Local\Temp\9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\uRubfT.exeC:\Users\Admin\AppData\Local\Temp\uRubfT.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\28004093.bat" "3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\28004093.batMD5
a4024c0a801d195820ec1683016f62cd
SHA17149b0b34fa75e5068dbbfd6d24c92a6d297241f
SHA2561a13cfebddd23fd73318b1f023d693ecf8cb43e138e45eb59ba25f2c34bcef1d
SHA5126f320eebc9be87834cd8e8af384881cca263f92b63cb58742864b1f0e0c01245c24c31247f016c921feddbf3f1ebea6f6fd4c9f092e6830ab2f56108ef415e7d
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C:\Users\Admin\AppData\Local\Temp\uRubfT.exeMD5
56b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
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C:\Users\Admin\AppData\Local\Temp\uRubfT.exeMD5
56b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
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\Users\Admin\AppData\Local\Temp\uRubfT.exeMD5
56b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
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\Users\Admin\AppData\Local\Temp\uRubfT.exeMD5
56b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
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memory/1008-65-0x0000000000000000-mapping.dmp
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memory/1388-61-0x0000000000000000-mapping.dmp
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memory/1388-63-0x0000000074FB1000-0x0000000074FB3000-memory.dmpFilesize
8KB