Analysis
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max time kernel
148s -
max time network
148s -
platform
windows10_x64 -
resource
win10v20210408 -
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 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 2300 uRubfT.exe -
Drops file in Program Files directory 64 IoCs
Processes:
uRubfT.exedescription ioc process File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\javah.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\wsimport.exe uRubfT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.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\Microsoft Office\root\Office16\WINWORD.EXE uRubfT.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe uRubfT.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\jhat.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\jre\bin\rmid.exe uRubfT.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\rmiregistry.exe uRubfT.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\tnameserv.exe uRubfT.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\jabswitch.exe uRubfT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE uRubfT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE uRubfT.exe File opened for modification C:\Program Files\Windows Defender\MSASCuiL.exe uRubfT.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Maps.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\jre\bin\klist.exe uRubfT.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\policytool.exe uRubfT.exe File opened for modification C:\Program Files\Windows Mail\wab.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{A50F5BA2-C1DE-4223-A03D-AB17178FF778}\89.0.4389.114_chrome_installer.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\jre\bin\servertool.exe uRubfT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE uRubfT.exe File opened for modification C:\Program Files\Windows Defender\Offline\OfflineScannerShell.exe uRubfT.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\MsSense.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.35.452\GoogleUpdate.exe uRubfT.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\java.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\jdb.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\jre\bin\jp2launcher.exe uRubfT.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\rmid.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\java-rmi.exe uRubfT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.exe uRubfT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe uRubfT.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1702.301.0_x64__8wekyb3d8bbwe\SoundRec.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\orbd.exe uRubfT.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe uRubfT.exe File opened for modification C:\Program Files\Windows Defender\MsMpEng.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe uRubfT.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe uRubfT.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Wallet_1.0.16328.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe uRubfT.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.14.2002.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.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\Java\jdk1.8.0_66\bin\kinit.exe uRubfT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE uRubfT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE uRubfT.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_1.1702.21039.0_x64__8wekyb3d8bbwe\3DViewer.ResourceResolver.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\jdeps.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\unpack200.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\jre\bin\orbd.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\lib\nbexec.exe uRubfT.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe uRubfT.exe File opened for modification C:\Program Files\Windows Mail\WinMail.exe uRubfT.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe uRubfT.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_1.4.101.0_x64__8wekyb3d8bbwe\Microsoft.StickyNotes.exe uRubfT.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\notification_helper.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\extcheck.exe uRubfT.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\java-rmi.exe uRubfT.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\klist.exe uRubfT.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\wsgen.exe uRubfT.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_17.8010.5926.0_x64__8wekyb3d8bbwe\Office16\OfficeHubWin32.exe uRubfT.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.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 6 IoCs
Processes:
9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exeuRubfT.exedescription pid process target process PID 1000 wrote to memory of 2300 1000 9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe uRubfT.exe PID 1000 wrote to memory of 2300 1000 9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe uRubfT.exe PID 1000 wrote to memory of 2300 1000 9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe uRubfT.exe PID 2300 wrote to memory of 208 2300 uRubfT.exe cmd.exe PID 2300 wrote to memory of 208 2300 uRubfT.exe cmd.exe PID 2300 wrote to memory of 208 2300 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⤵
- 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.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\519d2431.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\519d2431.batMD5
e2fd0f45d99670e32716e3e0d6e61d86
SHA1a10a8df965b1dc8f67a550a086c4aeed313f4c35
SHA25653148201537722175ff8335cee8b22c2e5fe8527f008e066282cde23997c0369
SHA512adbc1f1e34a73fb6bc061ba7b14f5ec8c46657cc624e2e7f916f263e62b4d817f88909e5b4bdc7699ff60b7abb9b2ef78e448b22ecb99380a49f9a2ec86b9ef3
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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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memory/208-117-0x0000000000000000-mapping.dmp
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memory/2300-114-0x0000000000000000-mapping.dmp