Analysis Overview
SHA256
068ed5b08f522874db963f10c2e0e137fb8a94b7b2b2bad4f9f1aa67286ed6d2
Threat Level: Shows suspicious behavior
The file reFX Nexus v4.5.17 CE.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Loads dropped DLL
Checks installed software on the system
Drops file in Program Files directory
Detects Pyinstaller
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-20 15:25
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-20 15:25
Reported
2024-06-20 15:29
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
52s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-NR47Q.tmp\reFX Nexus v4.5.17 CE.tmp | N/A |
| N/A | N/A | C:\Users\Public\Documents\reFX\NEXUS library\update_nexus_library_location.exe | N/A |
| N/A | N/A | C:\Users\Public\Documents\reFX\NEXUS library\update_nexus_library_location.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-NR47Q.tmp\reFX Nexus v4.5.17 CE.tmp | N/A |
| N/A | N/A | C:\Users\Public\Documents\reFX\NEXUS library\update_nexus_library_location.exe | N/A |
| N/A | N/A | C:\Users\Public\Documents\reFX\NEXUS library\update_nexus_library_location.exe | N/A |
| N/A | N/A | C:\Users\Public\Documents\reFX\NEXUS library\update_nexus_library_location.exe | N/A |
Checks installed software on the system
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Common Files\Avid\Audio\Plug-Ins\Nexus.aaxplugin\is-J851D.tmp | C:\Users\Admin\AppData\Local\Temp\is-NR47Q.tmp\reFX Nexus v4.5.17 CE.tmp | N/A |
| File created | C:\Program Files\Common Files\Avid\Audio\Plug-Ins\Nexus.aaxplugin\is-AS92E.tmp | C:\Users\Admin\AppData\Local\Temp\is-NR47Q.tmp\reFX Nexus v4.5.17 CE.tmp | N/A |
| File created | C:\Program Files\Common Files\Avid\Audio\Plug-Ins\Nexus.aaxplugin\Contents\x64\is-FQGTU.tmp | C:\Users\Admin\AppData\Local\Temp\is-NR47Q.tmp\reFX Nexus v4.5.17 CE.tmp | N/A |
| File created | C:\Program Files\Steinberg\VSTPlugins\is-0G2MI.tmp | C:\Users\Admin\AppData\Local\Temp\is-NR47Q.tmp\reFX Nexus v4.5.17 CE.tmp | N/A |
| File created | C:\Program Files\Common Files\VST3\is-PANTU.tmp | C:\Users\Admin\AppData\Local\Temp\is-NR47Q.tmp\reFX Nexus v4.5.17 CE.tmp | N/A |
| File opened for modification | C:\Program Files\Steinberg\VSTPlugins\Nexus.dll | C:\Users\Admin\AppData\Local\Temp\is-NR47Q.tmp\reFX Nexus v4.5.17 CE.tmp | N/A |
| File opened for modification | C:\Program Files\Common Files\Avid\Audio\Plug-Ins\Nexus.aaxplugin | C:\Users\Admin\AppData\Local\Temp\is-NR47Q.tmp\reFX Nexus v4.5.17 CE.tmp | N/A |
Detects Pyinstaller
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-NR47Q.tmp\reFX Nexus v4.5.17 CE.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-NR47Q.tmp\reFX Nexus v4.5.17 CE.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-NR47Q.tmp\reFX Nexus v4.5.17 CE.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\reFX Nexus v4.5.17 CE.exe
"C:\Users\Admin\AppData\Local\Temp\reFX Nexus v4.5.17 CE.exe"
C:\Users\Admin\AppData\Local\Temp\is-NR47Q.tmp\reFX Nexus v4.5.17 CE.tmp
"C:\Users\Admin\AppData\Local\Temp\is-NR47Q.tmp\reFX Nexus v4.5.17 CE.tmp" /SL5="$401CC,16815311,833536,C:\Users\Admin\AppData\Local\Temp\reFX Nexus v4.5.17 CE.exe"
C:\Users\Public\Documents\reFX\NEXUS library\update_nexus_library_location.exe
"C:\Users\Public\Documents\reFX\NEXUS library\update_nexus_library_location.exe"
C:\Users\Public\Documents\reFX\NEXUS library\update_nexus_library_location.exe
"C:\Users\Public\Documents\reFX\NEXUS library\update_nexus_library_location.exe"
Network
Files
memory/2156-2-0x0000000000401000-0x00000000004C1000-memory.dmp
memory/2156-0-0x0000000000400000-0x00000000004DC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-NR47Q.tmp\reFX Nexus v4.5.17 CE.tmp
| MD5 | 8783b6e042387cd97a88f6c6cf049506 |
| SHA1 | b1d5fadec05175204bfb8f1d1a68c676e4edb1b4 |
| SHA256 | 3d821c065bd06d7a537ad7bda123e49db5ee6aea8e98ea4cd786ec4be2704e49 |
| SHA512 | 3d4b44fd891c34ce154004f3bd8d3fc6b12ca94e1484c08c38a1e9e7469a8206bbbdcec16d0952976e5a5f5433a70cdceaaf0f39bddf1a9622d330712ef93c33 |
memory/6052-6-0x0000000000400000-0x0000000000724000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-1FU8H.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
memory/2156-11-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/6052-12-0x0000000000400000-0x0000000000724000-memory.dmp
memory/6052-16-0x0000000000400000-0x0000000000724000-memory.dmp
memory/6052-34-0x0000000000400000-0x0000000000724000-memory.dmp
C:\Users\Public\Documents\reFX\NEXUS library\update_nexus_library_location.exe
| MD5 | 9b636915e620b369dfb9f5995a010eb3 |
| SHA1 | 5e80f0e8f3076d541b85ca8530c30d71dc94a7d5 |
| SHA256 | 78e7192751e4edf5eb48df9b1c7c6724c17213e7a209e28375b24df339179f67 |
| SHA512 | c79e1767408fa650a6e0ba9ac0ea097aa13e6af8a27e418f11ecf6e3d88ba3a6538887adb0dcbccb8f057c079258c152c1b90203da526ef7a39193007e0bdfd7 |
C:\Users\Admin\AppData\Local\Temp\_MEI46442\ucrtbase.dll
| MD5 | 2c8fe06966d5085a595ffa3c98fe3098 |
| SHA1 | e82945e3e63ffef0974d6dd74f2aef2bf6d0a908 |
| SHA256 | de8d08d01291df93821314176381f3d1ae863e6c5584a7f8ea42f0b94b15ef65 |
| SHA512 | fb08838983c16082a362b3fc89d5b82e61ae629207c13c3cb76b8a0af557ad95c842ce5197ae458b5af61e5449cbab579f509fa72866308aa6fbd3d751522d0f |
C:\Users\Admin\AppData\Local\Temp\_MEI46442\python310.dll
| MD5 | e9c0fbc99d19eeedad137557f4a0ab21 |
| SHA1 | 8945e1811ceb4b26f21edcc7a36dcf2b1d34f0bf |
| SHA256 | 5783c5c5a3ffce181691f19d27de376a03010d32e41360b72bcdbd28467cfcc5 |
| SHA512 | 74e1289683642ae2bc3cf780a07af1f27fed2011ef6cc67380f9c066c59d17a2fb2394a45a5c6cd75dad812a61093fdbd0f2108925f5c58fc6644c1c98be5c0b |
C:\Users\Admin\AppData\Local\Temp\_MEI46442\VCRUNTIME140.dll
| MD5 | f34eb034aa4a9735218686590cba2e8b |
| SHA1 | 2bc20acdcb201676b77a66fa7ec6b53fa2644713 |
| SHA256 | 9d2b40f0395cc5d1b4d5ea17b84970c29971d448c37104676db577586d4ad1b1 |
| SHA512 | d27d5e65e8206bd7923cf2a3c4384fec0fc59e8bc29e25f8c03d039f3741c01d1a8c82979d7b88c10b209db31fbbec23909e976b3ee593dc33481f0050a445af |
C:\Users\Admin\AppData\Local\Temp\_MEI46442\base_library.zip
| MD5 | 2d0755498d6e89f50ac623ae455bd3ac |
| SHA1 | 17d4ecd4c287cb560c078bdce0f3a918ca58f4e9 |
| SHA256 | 024a2f6a0d2ff800db3777ec568f21a543d1a3de8ad6f78793035a85b40d536d |
| SHA512 | 7fed7cd062d2de0e23eb7fcd204295918e546e414cf1234340f73eb0e6a9c06eac55bafc28f7c6adea487d6b234d9e95bc49fd5e88cef23cf7eaf2ba1e00af76 |
C:\Users\Public\Documents\reFX\nexus\settings.json
| MD5 | 34f97fb0198667f755e9a7a25af7588f |
| SHA1 | 88144505129f267f007130062767b317abe267af |
| SHA256 | 1197dd3512d7a26a7ebf1576c2e795a399fbaca2662fc8562f9ccdc0de9a4668 |
| SHA512 | 73f3d159239dd7dad841c340745c3c9decb8485a38f719cca16aac678fca419435b97e9408cabb79775c69f93752ad8674457126e070e1dc41f8aa6c56a76e9e |
memory/6052-616-0x0000000000400000-0x0000000000724000-memory.dmp
memory/2156-617-0x0000000000400000-0x00000000004DC000-memory.dmp