Analysis
- max time kernel
142s - max time network
50s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system - submitted
11/10/2022, 22:32
Static task
static1
Behavioral task
behavioral1
Sample
7468b3c64e4616e2a0a5c5c343a56e65b7d8ecf166b3aa3c4d189debe4d78534.exe
Resource
win7-20220901-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
7468b3c64e4616e2a0a5c5c343a56e65b7d8ecf166b3aa3c4d189debe4d78534.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target 7468b3c64e4616e2a0a5c5c343a56e65b7d8ecf166b3aa3c4d189debe4d78534.exe
- Size 144KB
- Sample221011-2f7arahdbk
- SHA256 7468b3c64e4616e2a0a5c5c343a56e65b7d8ecf166b3aa3c4d189debe4d78534
- MD5 6e0f9818bce264cc35ab4668c8cae6b0
- SHA1 bae6c9905a27b4c03e3e1611bedcdb04dc1cae3f
- SHA512 acc3c99e1abe814322ab893958cda74591e00408535acd01eef326dcec7d47b001597f667f3a16a7f95ce1749f13d5d97b1569a33789c8273a45ba94d8c5c700
- SSDEEP 768:Zr4pOx8e/aOVq413ixQGPL4vzZq2o9W7GsxBbPr:GpOx8eyOVD13i2GCq2iW7z
- MD5 SHA1 SHA512 SSDEEP
Score
8/10
Malware Config
Signatures
-
resource yara_rule behavioral1/files/0x0008000000005c51-54.dat aspack_v212_v242 behavioral1/files/0x0008000000005c51-55.dat aspack_v212_v242 behavioral1/files/0x0008000000005c51-57.dat aspack_v212_v242 behavioral1/files/0x0008000000005c51-59.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 1776 EIhyxM.exe - Loads dropped DLL 2 IoCs
pid Process 2036 7468b3c64e4616e2a0a5c5c343a56e65b7d8ecf166b3aa3c4d189debe4d78534.exe 2036 7468b3c64e4616e2a0a5c5c343a56e65b7d8ecf166b3aa3c4d189debe4d78534.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Windows Sidebar\sidebar.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jre7\bin\kinit.exe EIhyxM.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe EIhyxM.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe EIhyxM.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdateCore.exe EIhyxM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe EIhyxM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jre7\bin\javacpl.exe EIhyxM.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe EIhyxM.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe EIhyxM.exe File opened for modification C:\Program Files\7-Zip\7zG.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe EIhyxM.exe File opened for modification C:\Program Files\DVD Maker\DVDMaker.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe EIhyxM.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe EIhyxM.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdateOnDemand.exe EIhyxM.exe File opened for modification C:\Program Files\Windows Journal\Journal.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe EIhyxM.exe File opened for modification C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe EIhyxM.exe File opened for modification C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe EIhyxM.exe File opened for modification C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe EIhyxM.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe EIhyxM.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe EIhyxM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE EIhyxM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE EIhyxM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE EIhyxM.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe EIhyxM.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe EIhyxM.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdateComRegisterShell64.exe EIhyxM.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{5FF82FCB-66EC-4D84-9E60-60D03C1CDEBC}\chrome_installer.exe EIhyxM.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe EIhyxM.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe EIhyxM.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe EIhyxM.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe EIhyxM.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe EIhyxM.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\setup.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe EIhyxM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe EIhyxM.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe EIhyxM.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2036 7468b3c64e4616e2a0a5c5c343a56e65b7d8ecf166b3aa3c4d189debe4d78534.exe 2036 7468b3c64e4616e2a0a5c5c343a56e65b7d8ecf166b3aa3c4d189debe4d78534.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2036 wrote to memory of 1776 2036 7468b3c64e4616e2a0a5c5c343a56e65b7d8ecf166b3aa3c4d189debe4d78534.exe 27 PID 2036 wrote to memory of 1776 2036 7468b3c64e4616e2a0a5c5c343a56e65b7d8ecf166b3aa3c4d189debe4d78534.exe 27 PID 2036 wrote to memory of 1776 2036 7468b3c64e4616e2a0a5c5c343a56e65b7d8ecf166b3aa3c4d189debe4d78534.exe 27 PID 2036 wrote to memory of 1776 2036 7468b3c64e4616e2a0a5c5c343a56e65b7d8ecf166b3aa3c4d189debe4d78534.exe 27 PID 1776 wrote to memory of 360 1776 EIhyxM.exe 30 PID 1776 wrote to memory of 360 1776 EIhyxM.exe 30 PID 1776 wrote to memory of 360 1776 EIhyxM.exe 30 PID 1776 wrote to memory of 360 1776 EIhyxM.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\7468b3c64e4616e2a0a5c5c343a56e65b7d8ecf166b3aa3c4d189debe4d78534.exe"C:\Users\Admin\AppData\Local\Temp\7468b3c64e4616e2a0a5c5c343a56e65b7d8ecf166b3aa3c4d189debe4d78534.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Users\Admin\AppData\Local\Temp\EIhyxM.exeC:\Users\Admin\AppData\Local\Temp\EIhyxM.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1776 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\5b523af7.bat" "3⤵PID:360
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\5b523af7.bat
- Size 187B
- SHA256 dfe2adb7fa413539ce656820ae1e28121c206e5b7224cb3db27b8a8e4d84e3c8
- MD5 f20634ed0c830855588d7f2bb4d8b3bb
- SHA1 beb76ec3429e31e2fec5e159fd9fdee49c2467b4
- SHA512 42cb11095abcf40ebba6545905abaddee13fc242ba55783961459b300612a056180fce65ad59cabf93273b635ea5c0ea976033aec2bf02a86c4a67029c317051
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\EIhyxM.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\EIhyxM.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\EIhyxM.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\EIhyxM.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- MD5 SHA1 SHA512 SSDEEP