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Analysis
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max time kernel
47s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
03/10/2022, 04:45
Static task
static1
Behavioral task
behavioral1
Sample
5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe
Resource
win10v2004-20220812-en
General
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Target
5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe
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Size
80KB
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MD5
66812f41b2b9653051f2e8fdba4888e0
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SHA1
9f208e4dcb64df19ea6a5d8288066f6beb7ed9ae
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SHA256
5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a
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SHA512
f4e1f9351afde6584231050e7069d3b3c4a47d243b96d50f4a37724a31fa98e07dbdfaebfe19497203c2ae8950b840ddfbb93a0ee39fc9ff52cb2763f235e28d
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SSDEEP
1536:fHB0UxMkzOt7HcvJGt5AdHIOWnToIf12ZtrGCq2iW7z:fhAWJGSCTBf12Z1GCH
Malware Config
Signatures
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resource yara_rule behavioral1/files/0x0008000000005c51-55.dat aspack_v212_v242 behavioral1/files/0x0008000000005c51-57.dat aspack_v212_v242 behavioral1/files/0x0008000000005c51-54.dat aspack_v212_v242 behavioral1/files/0x0008000000005c51-59.dat aspack_v212_v242 -
Executes dropped EXE 1 IoCs
pid Process 840 riaFcv.exe -
Loads dropped DLL 2 IoCs
pid Process 1376 5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe 1376 5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe riaFcv.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe riaFcv.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE riaFcv.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe riaFcv.exe File opened for modification C:\Program Files\Java\jre7\bin\unpack200.exe riaFcv.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe riaFcv.exe File opened for modification C:\Program Files\Java\jre7\bin\ssvagent.exe riaFcv.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdate.exe riaFcv.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe riaFcv.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe riaFcv.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdateSetup.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe riaFcv.exe File opened for modification C:\Program Files\Windows Sidebar\sidebar.exe riaFcv.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{5FF82FCB-66EC-4D84-9E60-60D03C1CDEBC}\chrome_installer.exe riaFcv.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe riaFcv.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe riaFcv.exe File opened for modification C:\Program Files\Java\jre7\bin\ktab.exe riaFcv.exe File opened for modification C:\Program Files\Java\jre7\bin\policytool.exe riaFcv.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE riaFcv.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe riaFcv.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe riaFcv.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE riaFcv.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE riaFcv.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\chrome_pwa_launcher.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe riaFcv.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe riaFcv.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe riaFcv.exe File opened for modification C:\Program Files\Windows Mail\wab.exe riaFcv.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe riaFcv.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\misc.exe riaFcv.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe riaFcv.exe File opened for modification C:\Program Files\Java\jre7\bin\javacpl.exe riaFcv.exe File opened for modification C:\Program Files\Microsoft Games\Chess\Chess.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe riaFcv.exe File opened for modification C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe riaFcv.exe File opened for modification C:\Program Files\Mozilla Firefox\minidump-analyzer.exe riaFcv.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE riaFcv.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe riaFcv.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe riaFcv.exe File opened for modification C:\Program Files\Java\jre7\bin\jp2launcher.exe riaFcv.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdateComRegisterShell64.exe riaFcv.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE riaFcv.exe File opened for modification C:\Program Files\Java\jre7\bin\javaws.exe riaFcv.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe riaFcv.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
description pid Process procid_target PID 1376 wrote to memory of 840 1376 5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe 26 PID 1376 wrote to memory of 840 1376 5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe 26 PID 1376 wrote to memory of 840 1376 5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe 26 PID 1376 wrote to memory of 840 1376 5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe 26 PID 840 wrote to memory of 1464 840 riaFcv.exe 29 PID 840 wrote to memory of 1464 840 riaFcv.exe 29 PID 840 wrote to memory of 1464 840 riaFcv.exe 29 PID 840 wrote to memory of 1464 840 riaFcv.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe"C:\Users\Admin\AppData\Local\Temp\5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Users\Admin\AppData\Local\Temp\riaFcv.exeC:\Users\Admin\AppData\Local\Temp\riaFcv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:840 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\60d55470.bat" "3⤵PID:1464
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
187B
MD511dafe36892ae04c31d32cbe33e3158a
SHA17a7832484a3e083caf07a24cd92f7b3bff7f724a
SHA256fb03c716b4396af8ed6d35c4ff0e19c0df17163843966815235bb0887fe95196
SHA512151f856f50a612e232c7a9c5853613e5a1318403b6edc9209385f95afe8b08ae41c061a6aff9d0434332947bd959971ed749e995ba31e6d0d93d69ba821b7a7e
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e