Analysis
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max time kernel
146s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
02/02/2023, 12:11
Static task
static1
Behavioral task
behavioral1
Sample
BlueStacksMicroInstaller_5.10.110.1002_native.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
BlueStacksMicroInstaller_5.10.110.1002_native.exe
Resource
win10v2004-20221111-en
General
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Target
BlueStacksMicroInstaller_5.10.110.1002_native.exe
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Size
797KB
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MD5
0eae90ce111984e1383dbcab75115da8
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SHA1
109f68927cbdd34c1d68e281d6f16faee83c71dc
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SHA256
73c05ae808cf58122419e61258a8f3deeb1d0609f84b58438cf89f8c1ba45e14
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SHA512
af13b646ced539dd169f7ad0a094a2afa2a9670bb033cf8b894c8f6f3a7fc62a10d954bf2462abe6b81900c30425ec5ed627c70ec09273d5b7353d1b065bb7ab
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SSDEEP
12288:zivtCXQd0RYK1qv6qQdeRPHKmL3PYFrmlbBk4/XEPhIdcXXjdJ:zivtCXF1qv6qQOqqPYWtk4/Xw+dcD3
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 3448 BlueStacksInstaller.exe 2580 HD-CheckCpu.exe 4260 HD-CheckCpu.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation BlueStacksMicroInstaller_5.10.110.1002_native.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3448 BlueStacksInstaller.exe 3448 BlueStacksInstaller.exe 3448 BlueStacksInstaller.exe 3448 BlueStacksInstaller.exe 3448 BlueStacksInstaller.exe 3448 BlueStacksInstaller.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3448 BlueStacksInstaller.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1208 wrote to memory of 3448 1208 BlueStacksMicroInstaller_5.10.110.1002_native.exe 79 PID 1208 wrote to memory of 3448 1208 BlueStacksMicroInstaller_5.10.110.1002_native.exe 79 PID 3448 wrote to memory of 2580 3448 BlueStacksInstaller.exe 81 PID 3448 wrote to memory of 2580 3448 BlueStacksInstaller.exe 81 PID 3448 wrote to memory of 2580 3448 BlueStacksInstaller.exe 81 PID 3448 wrote to memory of 4260 3448 BlueStacksInstaller.exe 87 PID 3448 wrote to memory of 4260 3448 BlueStacksInstaller.exe 87 PID 3448 wrote to memory of 4260 3448 BlueStacksInstaller.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\BlueStacksMicroInstaller_5.10.110.1002_native.exe"C:\Users\Admin\AppData\Local\Temp\BlueStacksMicroInstaller_5.10.110.1002_native.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1208 -
C:\Users\Admin\AppData\Local\Temp\7zS8B4222B6\BlueStacksInstaller.exe"C:\Users\Admin\AppData\Local\Temp\7zS8B4222B6\BlueStacksInstaller.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3448 -
C:\Users\Admin\AppData\Local\Temp\7zS8B4222B6\HD-CheckCpu.exe"C:\Users\Admin\AppData\Local\Temp\7zS8B4222B6\HD-CheckCpu.exe" --cmd checkHypervEnabled3⤵
- Executes dropped EXE
PID:2580
-
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C:\Users\Admin\AppData\Local\Temp\7zS8B4222B6\HD-CheckCpu.exe"C:\Users\Admin\AppData\Local\Temp\7zS8B4222B6\HD-CheckCpu.exe" --cmd checkSSE43⤵
- Executes dropped EXE
PID:4260
-
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
15KB
MD57ff5dc8270b5fa7ef6c4a1420bd67a7f
SHA1b224300372feaa97d882ca2552b227c0f2ef4e3e
SHA256fa64884054171515e97b78aaa1aad1ec5baa9d1daf9c682e0b3fb4a41a9cb1c1
SHA512f0d5a842a01b99f189f3d46ab59d2c388a974951b042b25bbce54a15f5a3f386984d19cfca22ba1440eebd79260066a37dfeff6cb0d1332fca136add14488eef
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Filesize
538B
MD5ce144d2aab3bf213af693d4e18f87a59
SHA1df59dc3dbba88bdc5ffc25f2e5e7b73ac3de5afa
SHA256d8e502fab00b0c6f06ba6abede6922ab3b423fe6f2d2f56941dabc887b229ad3
SHA5120f930edd485a0d49ef157f6cc8856609c087c91b77845adeb5cc8c8a80ebc7ec5416df351ffa1af780caad884dbb49dcc778b0b30de6fb7c85ffef22d7220ebe
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Filesize
15KB
MD593216b2f9d66d423b3e1311c0573332d
SHA15efaebec5f20f91f164f80d1e36f98c9ddaff805
SHA256d0b6d143642d356b40c47459a996131a344cade6bb86158f1b74693426b09bfb
SHA512922a7292de627c5e637818556d25d9842a88e89f2b198885835925679500dfd44a1e25ce79e521e63c4f84a6b0bd6bf98e46143ad8cee80ecdbaf3d3bc0f3a32
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Filesize
17KB
MD503b17f0b1c067826b0fcc6746cced2cb
SHA1e07e4434e10df4d6c81b55fceb6eca2281362477
SHA256fbece8bb5f4dfa55dcfbf41151b10608af807b9477e99acf0940954a11e68f7b
SHA51267c78ec01e20e9c8d9cdbba665bb2fd2bb150356f30b88d3d400bbdb0ae92010f5d7bcb683dcf6f895722a9151d8e669d8bef913eb6e728ba56bb02f264573b2
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Filesize
42KB
MD5162c23f5962381efba79be503b41089c
SHA1fc5a95e6eb2bb015fe27457873528c24b3bc459d
SHA25604d70d0968675290294df78800ed48fe4a681a72803405fbdc541b927b445457
SHA5129bd6e634d6cb362ab40f2646ca59a865f05e6049ac55b9d03b3df1f8e853715119438771196a351ca98c6cb61a212bbc0bedb7bf2d306563f6198353a7680c54
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Filesize
7KB
MD5d6f746b61d5c91d6688faab54ecc74c3
SHA19581cafbc93d6189c7e0633bd43dfd017510f731
SHA256ed7e205b0ccdd454d4fa47c48834ad36a6e9fb51f4042a2dcd39a7fe01244d95
SHA5120139711388976628ebd46a2f1dc7e0c38184d3b4ab63a8f2b6c8cd9e6032cddcd2dafb8ce4ab3ba8008beba9d6c3e444577cd7953bb48e39635e5c9666fdf478
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Filesize
113B
MD538b539a1e4229738e5c196eedb4eb225
SHA1f027b08dce77c47aaed75a28a2fce218ff8c936c
SHA256a064f417e3c2b8f3121a14bbded268b2cdf635706880b7006f931de31476bbc2
SHA5122ce433689a94fae454ef65e0e9ec33657b89718bbb5a038bf32950f6d68722803922f3a427278bad432395a1716523e589463fcce4279dc2a895fd77434821cc
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Filesize
279B
MD503903fd42ed2ee3cb014f0f3b410bcb4
SHA1762a95240607fe8a304867a46bc2d677f494f5c2
SHA256076263cc65f9824f4f82eb6beaa594d1df90218a2ee21664cf209181557e04b1
SHA5128b0e717268590e5287c07598a06d89220c5e9a33cd1c29c55f8720321f4b3efc869d20c61fcc892e13188d77f0fdc4c73a2ee6dece174bf876fcc3a6c5683857
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Filesize
15KB
MD5b2e7f40179744c74fded932e829cb12a
SHA1a0059ab8158a497d2cf583a292b13f87326ec3f0
SHA2565bbb2f41f9f3a805986c3c88a639bcc22d90067d4b8de9f1e21e3cf9e5c1766b
SHA512b95b7ebdb4a74639276eaa5c055fd8d9431e2f58a5f7c57303f7cf22e8b599f6f2a7852074cf71b19b49eb31cc9bf2509aedf41d608981d116e49a00030c797c
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Filesize
192B
MD5e50df2a0768f7fc4c3fe8d784564fea3
SHA1d1fc4db50fe8e534019eb7ce70a61fd4c954621a
SHA256671f26795b12008fbea1943143f660095f3dca5d925f67d765e2352fd7ee2396
SHA512c87a8308a73b17cbdd179737631fb1ba7fdaeb65e82263f6617727519b70a81266bb695867b9e599c1306ee2cf0de525452f77ce367ca89bf870ea3ae7189998
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Filesize
559KB
MD53d3cab7153b2575a05555b54d737ac3e
SHA1a1d383c960ad7ae90a13c74593615c8541a2a3b3
SHA256b95bd577b5e8a5bd4716f97c490a90923a512fa3e146c30911177b408781428f
SHA5121d75883f5f44e443651880043c2e7c9310c35e9966d90dbcadb83c2199fab23b55bea7c4d9a5b17ced9a55ef4466ef266b762049c57b1b965d4fba37faa3d393
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Filesize
559KB
MD53d3cab7153b2575a05555b54d737ac3e
SHA1a1d383c960ad7ae90a13c74593615c8541a2a3b3
SHA256b95bd577b5e8a5bd4716f97c490a90923a512fa3e146c30911177b408781428f
SHA5121d75883f5f44e443651880043c2e7c9310c35e9966d90dbcadb83c2199fab23b55bea7c4d9a5b17ced9a55ef4466ef266b762049c57b1b965d4fba37faa3d393
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Filesize
324B
MD51b456d88546e29f4f007cd0bf1025703
SHA1e5c444fcfe5baf2ef71c1813afc3f2c1100cab86
SHA256d6d316584b63bb0d670a42f88b8f84e0de0db4275f1a342084dc383ebeb278eb
SHA512c545e416c841b8786e4589fc9ca2b732b16cdd759813ec03f558332f2436f165ec1ad2fbc65012b5709fa19ff1e8396639c17bfad150cabeb51328a39ea556e6
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Filesize
211KB
MD5764ac83167adcd8d2273f6bff7d769b2
SHA1bf6a46b8c03d7efb16fdd6e4ce0a5e4362f41957
SHA256e81e0444ba2deb4056872d1c4f9b01971bb4fb376c6434c942718da7c39190bf
SHA512a3a484aaf5cfdff1c198c37f3055409dc066646db3d61e74bfef2b4ce212d95fd43d3e3b239e080ba9fab62eae23cd4b54b6b466fad3192845b43d4212ccd667
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Filesize
211KB
MD5764ac83167adcd8d2273f6bff7d769b2
SHA1bf6a46b8c03d7efb16fdd6e4ce0a5e4362f41957
SHA256e81e0444ba2deb4056872d1c4f9b01971bb4fb376c6434c942718da7c39190bf
SHA512a3a484aaf5cfdff1c198c37f3055409dc066646db3d61e74bfef2b4ce212d95fd43d3e3b239e080ba9fab62eae23cd4b54b6b466fad3192845b43d4212ccd667
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Filesize
211KB
MD5764ac83167adcd8d2273f6bff7d769b2
SHA1bf6a46b8c03d7efb16fdd6e4ce0a5e4362f41957
SHA256e81e0444ba2deb4056872d1c4f9b01971bb4fb376c6434c942718da7c39190bf
SHA512a3a484aaf5cfdff1c198c37f3055409dc066646db3d61e74bfef2b4ce212d95fd43d3e3b239e080ba9fab62eae23cd4b54b6b466fad3192845b43d4212ccd667
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Filesize
411KB
MD5f5fd966e29f5c359f78cb61a571d1be4
SHA1a55e7ed593b4bc7a77586da0f1223cfd9d51a233
SHA256d2c8d26f95f55431e632c8581154db7c19547b656380e051194a9d2583dd2156
SHA512d99e6fe250bb106257f86135938635f6e7ad689b2c11a96bb274f4c4c5e9a85cfacba40122dbc953f77b5d33d886c6af30bff821f10945e15b21a24b66f6c8be
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Filesize
17KB
MD5d8316371294c2e3fd9cded40261e0e17
SHA139a33c431d2a5085fa421f7183cd705d8282d010
SHA2562b8f16a7ba900b7d5602697c2a028cf4a55f451394ef36ad1b83fe94aa5f534d
SHA51298e55fdaec682e1ac92386115862a17df2ba14f6991125b548bcd1699ecf88043ba26ad28772434a9e25e50f46ed24ffd03414ce4f01be630b2daf15e4ad55e8
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Filesize
80KB
MD5c3e6bab4f92ee40b9453821136878993
SHA194493a6b3dfb3135e5775b7d3be227659856fbc4
SHA256de1a2e6b560e036da5ea6b042e29e81a5bfcf67dde89670c332fc5199e811ba6
SHA512a64b6b06b3a0f3591892b60e59699682700f4018b898efe55d6bd5fb417965a55027671c58092d1eb7e21c2dbac42bc68dfb8c70468d98bed45a8cff0e945895