Analysis
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max time kernel
15s -
max time network
22s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
05-05-2021 11:07
Static task
static1
Behavioral task
behavioral1
Sample
5936c25c_by_Libranalysis.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
5936c25c_by_Libranalysis.exe
Resource
win10v20210408
General
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Target
5936c25c_by_Libranalysis.exe
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Size
107KB
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MD5
5936c25cca9017437d5cb9b6d0fa0cbe
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SHA1
225db09e02d2b16cfb0b5a1b2b7d4f6d9848d809
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SHA256
2a6987c08b3f5aa3dd595fc684af68222accf71d5acd332623e830bd7657011f
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SHA512
34a4e9555390d61be6fbe8f52862cfef979431b5b98535595b6f5e6341f19eb060e024fcf408b81138c99a63739eda7411a80b2adee00ed5352ef1944ab27775
Malware Config
Signatures
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Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\adFuvY.exe aspack_v212_v242 \Users\Admin\AppData\Local\Temp\adFuvY.exe aspack_v212_v242 C:\Users\Admin\AppData\Local\Temp\adFuvY.exe aspack_v212_v242 C:\Users\Admin\AppData\Local\Temp\adFuvY.exe aspack_v212_v242 -
Executes dropped EXE 1 IoCs
Processes:
adFuvY.exepid process 1468 adFuvY.exe -
Loads dropped DLL 2 IoCs
Processes:
5936c25c_by_Libranalysis.exepid process 280 5936c25c_by_Libranalysis.exe 280 5936c25c_by_Libranalysis.exe -
Drops file in Program Files directory 64 IoCs
Processes:
adFuvY.exedescription ioc process File opened for modification C:\Program Files\Windows Mail\wab.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe adFuvY.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.35.452\GoogleUpdateCore.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe adFuvY.exe File opened for modification C:\Program Files\Java\jre7\bin\jp2launcher.exe adFuvY.exe File opened for modification C:\Program Files\Java\jre7\bin\ssvagent.exe adFuvY.exe File opened for modification C:\Program Files\Windows Journal\PDIALOG.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE adFuvY.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe adFuvY.exe File opened for modification C:\Program Files\Java\jre7\bin\javaw.exe adFuvY.exe File opened for modification C:\Program Files\Java\jre7\bin\pack200.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE adFuvY.exe File opened for modification C:\Program Files\7-Zip\7z.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE adFuvY.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.35.452\GoogleUpdate.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{A290E22C-E339-4EA1-B140-FE44A71CE551}\89.0.4389.114_chrome_installer.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe adFuvY.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE adFuvY.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE adFuvY.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE adFuvY.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe adFuvY.exe File opened for modification C:\Program Files\Windows Sidebar\sidebar.exe adFuvY.exe File opened for modification C:\Program Files\Windows Defender\MSASCui.exe adFuvY.exe File opened for modification C:\Program Files\Windows Journal\Journal.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.35.452\GoogleUpdateSetup.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe adFuvY.exe File opened for modification C:\Program Files\Java\jre7\bin\tnameserv.exe adFuvY.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe adFuvY.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe adFuvY.exe File opened for modification C:\Program Files\Java\jre7\bin\javaws.exe adFuvY.exe File opened for modification C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE adFuvY.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe adFuvY.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE adFuvY.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE adFuvY.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\setup.exe adFuvY.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe adFuvY.exe File opened for modification C:\Program Files\Java\jre7\bin\javacpl.exe adFuvY.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE adFuvY.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:
5936c25c_by_Libranalysis.exeadFuvY.exedescription pid process target process PID 280 wrote to memory of 1468 280 5936c25c_by_Libranalysis.exe adFuvY.exe PID 280 wrote to memory of 1468 280 5936c25c_by_Libranalysis.exe adFuvY.exe PID 280 wrote to memory of 1468 280 5936c25c_by_Libranalysis.exe adFuvY.exe PID 280 wrote to memory of 1468 280 5936c25c_by_Libranalysis.exe adFuvY.exe PID 1468 wrote to memory of 1748 1468 adFuvY.exe cmd.exe PID 1468 wrote to memory of 1748 1468 adFuvY.exe cmd.exe PID 1468 wrote to memory of 1748 1468 adFuvY.exe cmd.exe PID 1468 wrote to memory of 1748 1468 adFuvY.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5936c25c_by_Libranalysis.exe"C:\Users\Admin\AppData\Local\Temp\5936c25c_by_Libranalysis.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\adFuvY.exeC:\Users\Admin\AppData\Local\Temp\adFuvY.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\4b5f4d50.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\4b5f4d50.batMD5
26b000ffa6ca683fbb103736cb236831
SHA1cb7d8bf4dffd7d3f164e6921a6f3e6824f811334
SHA256e7e555706ae6d657fe55d14a6f4c8085c47c0fc9739c8262dc23dd59fa63f00b
SHA512accdf0151d5b2d4d14b5badc93ee3982183151a878f11d6b35dcafab50dfe4fe96bfc811605d29346c6883f1ee53d8c90502cfbfa4fc8b1d83a2be6c28a5fd86
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C:\Users\Admin\AppData\Local\Temp\adFuvY.exeMD5
56b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
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C:\Users\Admin\AppData\Local\Temp\adFuvY.exeMD5
56b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
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\Users\Admin\AppData\Local\Temp\adFuvY.exeMD5
56b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
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\Users\Admin\AppData\Local\Temp\adFuvY.exeMD5
56b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
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memory/1468-62-0x0000000000000000-mapping.dmp
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memory/1468-64-0x0000000075041000-0x0000000075043000-memory.dmpFilesize
8KB
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memory/1748-66-0x0000000000000000-mapping.dmp