Analysis
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max time kernel
125s -
max time network
225s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
20-10-2021 15:32
Static task
static1
Behavioral task
behavioral1
Sample
OpenSea-App_v2.1-setup.exe
Resource
win7-ja-20211014
Behavioral task
behavioral2
Sample
OpenSea-App_v2.1-setup.exe
Resource
win7-en-20210920
Behavioral task
behavioral3
Sample
OpenSea-App_v2.1-setup.exe
Resource
win7-de-20210920
Behavioral task
behavioral4
Sample
OpenSea-App_v2.1-setup.exe
Resource
win11
Behavioral task
behavioral5
Sample
OpenSea-App_v2.1-setup.exe
Resource
win10-ja-20211014
Behavioral task
behavioral6
Sample
OpenSea-App_v2.1-setup.exe
Resource
win10-en-20211014
Behavioral task
behavioral7
Sample
OpenSea-App_v2.1-setup.exe
Resource
win10-de-20210920
General
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Target
OpenSea-App_v2.1-setup.exe
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Size
116.4MB
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MD5
b188206887e0f25a50c50e1955413442
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SHA1
3f4fcd1debd12586f712d694218339a7fd40c50b
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SHA256
de644e637da7cd117517b1bb96ee0f58131515013a322366d680f613afa31bc4
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SHA512
94391442364c2e6a16a2fd0bd2384d0f21a56cd5a67faa7998511ebb55feb3e5a7915c603c2caaa8da79f8bdfc1490eb2a8f559546193977b239a2d133bf3624
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
Processes:
OpenSea-App_v2.1-setup.tmpOpenSea-App_v2.1-setup.tmpuniconverter.exepid process 3828 OpenSea-App_v2.1-setup.tmp 1988 OpenSea-App_v2.1-setup.tmp 3572 uniconverter.exe -
Loads dropped DLL 1 IoCs
Processes:
uniconverter.exepid process 3572 uniconverter.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
Processes:
uniconverter.exepid process 3572 uniconverter.exe 3572 uniconverter.exe 3572 uniconverter.exe 3572 uniconverter.exe 3572 uniconverter.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2108 timeout.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
OpenSea-App_v2.1-setup.tmppid process 1988 OpenSea-App_v2.1-setup.tmp 1988 OpenSea-App_v2.1-setup.tmp -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
uniconverter.exedescription pid process Token: SeShutdownPrivilege 3572 uniconverter.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
OpenSea-App_v2.1-setup.tmppid process 1988 OpenSea-App_v2.1-setup.tmp -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
uniconverter.exepid process 3572 uniconverter.exe 3572 uniconverter.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
OpenSea-App_v2.1-setup.exeOpenSea-App_v2.1-setup.tmpOpenSea-App_v2.1-setup.exeOpenSea-App_v2.1-setup.tmpuniconverter.execmd.exedescription pid process target process PID 1840 wrote to memory of 3828 1840 OpenSea-App_v2.1-setup.exe OpenSea-App_v2.1-setup.tmp PID 1840 wrote to memory of 3828 1840 OpenSea-App_v2.1-setup.exe OpenSea-App_v2.1-setup.tmp PID 1840 wrote to memory of 3828 1840 OpenSea-App_v2.1-setup.exe OpenSea-App_v2.1-setup.tmp PID 3828 wrote to memory of 1340 3828 OpenSea-App_v2.1-setup.tmp OpenSea-App_v2.1-setup.exe PID 3828 wrote to memory of 1340 3828 OpenSea-App_v2.1-setup.tmp OpenSea-App_v2.1-setup.exe PID 3828 wrote to memory of 1340 3828 OpenSea-App_v2.1-setup.tmp OpenSea-App_v2.1-setup.exe PID 1340 wrote to memory of 1988 1340 OpenSea-App_v2.1-setup.exe OpenSea-App_v2.1-setup.tmp PID 1340 wrote to memory of 1988 1340 OpenSea-App_v2.1-setup.exe OpenSea-App_v2.1-setup.tmp PID 1340 wrote to memory of 1988 1340 OpenSea-App_v2.1-setup.exe OpenSea-App_v2.1-setup.tmp PID 1988 wrote to memory of 3572 1988 OpenSea-App_v2.1-setup.tmp uniconverter.exe PID 1988 wrote to memory of 3572 1988 OpenSea-App_v2.1-setup.tmp uniconverter.exe PID 1988 wrote to memory of 3572 1988 OpenSea-App_v2.1-setup.tmp uniconverter.exe PID 3572 wrote to memory of 1532 3572 uniconverter.exe cmd.exe PID 3572 wrote to memory of 1532 3572 uniconverter.exe cmd.exe PID 1532 wrote to memory of 2108 1532 cmd.exe timeout.exe PID 1532 wrote to memory of 2108 1532 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\OpenSea-App_v2.1-setup.exe"C:\Users\Admin\AppData\Local\Temp\OpenSea-App_v2.1-setup.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Users\Admin\AppData\Local\Temp\is-1J4N3.tmp\OpenSea-App_v2.1-setup.tmp"C:\Users\Admin\AppData\Local\Temp\is-1J4N3.tmp\OpenSea-App_v2.1-setup.tmp" /SL5="$30112,121164526,934400,C:\Users\Admin\AppData\Local\Temp\OpenSea-App_v2.1-setup.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Users\Admin\AppData\Local\Temp\OpenSea-App_v2.1-setup.exe"C:\Users\Admin\AppData\Local\Temp\OpenSea-App_v2.1-setup.exe" /VERYSILENT /NORESTART3⤵
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Users\Admin\AppData\Local\Temp\is-IUVFH.tmp\OpenSea-App_v2.1-setup.tmp"C:\Users\Admin\AppData\Local\Temp\is-IUVFH.tmp\OpenSea-App_v2.1-setup.tmp" /SL5="$40112,121164526,934400,C:\Users\Admin\AppData\Local\Temp\OpenSea-App_v2.1-setup.exe" /VERYSILENT /NORESTART4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1988 -
C:\Users\Admin\AppData\Roaming\Network UniConverter Management 13\uniconverter.exe"C:\Users\Admin\AppData\Roaming\Network UniConverter Management 13\uniconverter.exe"5⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3572 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\kfDvTMGl.bat" "6⤵
- Suspicious use of WriteProcessMemory
PID:1532 -
C:\Windows\system32\timeout.exetimeout /t 5 /nobreak7⤵
- Delays execution with timeout.exe
PID:2108
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\is-1J4N3.tmp\OpenSea-App_v2.1-setup.tmpMD5
1d58a53221a0e00ae086d5727f5e97a8
SHA1425d12467917bb82dd3f67f43e0c7178b0993aa3
SHA2563865953f354379ea7e66e28ae265915deffcda296048430027e0e6931ffa657d
SHA5128afd7f6f114125d32a3724f0a0a51b9b7a7eae12f8844b59d74a61bde886055c7db5f043ed33263521adb0847f8523f1b2b183fd848b098c57d7ad328fe818e8
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C:\Users\Admin\AppData\Local\Temp\is-IUVFH.tmp\OpenSea-App_v2.1-setup.tmpMD5
1d58a53221a0e00ae086d5727f5e97a8
SHA1425d12467917bb82dd3f67f43e0c7178b0993aa3
SHA2563865953f354379ea7e66e28ae265915deffcda296048430027e0e6931ffa657d
SHA5128afd7f6f114125d32a3724f0a0a51b9b7a7eae12f8844b59d74a61bde886055c7db5f043ed33263521adb0847f8523f1b2b183fd848b098c57d7ad328fe818e8
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C:\Users\Admin\AppData\Local\Temp\kfDvTMGl.batMD5
ac33d95fe578a84c09e941a7cce0da98
SHA1b794f73efbbd31f59db1cfeecb982c188a82a463
SHA2565df578374a4ea5bc0527888e6e517283393b1e601bac62394851128933d2e193
SHA512b1a39130fad503b25daa46bee6a5f42519fd6e4f3a3634f9815d70cbd68a284cb42e2178ab3a5336d467b8aa699a3cece326c1fc3c8d8911df76521ca156b965
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C:\Users\Admin\AppData\Roaming\Network UniConverter Management 13\JdbcOdbc.dllMD5
791791c0e466eb0a6af462a265074c9d
SHA1db4e66209bd211ddc0378c0f62e644eb466cde0e
SHA256187d0a87805102aaacfdb0e18ea84a90af1540529e92430f84e3f46736383fc7
SHA512badbe604c1e99b848dbb184a1d081560a31749a89573a4c6202abec1c6aa670ca248a0e5cd9330a7c3fc90193f3f95cde6a9d44c881568ca1a9b3b063da68566
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C:\Users\Admin\AppData\Roaming\Network UniConverter Management 13\menMD5
a6448d8d59e1745612001ce13359bb30
SHA140715399ee65505ae77adf615cc8ea0921e44956
SHA2562739158b312b0c2185c3481586d3e9498cf1f9440ad8144deae3ffad9a491e85
SHA5123eb5cadf18f31c059cb3335c7a7e07eda947760d37b424c60ea296c05c57e285caed879773d9ab901eaab48e3732a58bb9acb627d26d79a7e32836cb1078acc7
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C:\Users\Admin\AppData\Roaming\Network UniConverter Management 13\uniconverter.exeMD5
7c874ddc2e0689786d7635aa25326b4c
SHA1f7654000b1d39b8f88d4b98159c54e124cbb00d6
SHA256445c90f61dd0d7897475a7675d213b5d2819487f7bf665751fd4d352ba4a8752
SHA512bd4a786a1b4f9fa552991e90ce0bfcb0951a01bbecd5c0b579c0b6804a978e4285695cbad48975979f9b8cdb56e2b28fb5d27a3aa21760aa9bd09c23fa2b64f3
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C:\Users\Admin\AppData\Roaming\Network UniConverter Management 13\uniconverter.exeMD5
7c874ddc2e0689786d7635aa25326b4c
SHA1f7654000b1d39b8f88d4b98159c54e124cbb00d6
SHA256445c90f61dd0d7897475a7675d213b5d2819487f7bf665751fd4d352ba4a8752
SHA512bd4a786a1b4f9fa552991e90ce0bfcb0951a01bbecd5c0b579c0b6804a978e4285695cbad48975979f9b8cdb56e2b28fb5d27a3aa21760aa9bd09c23fa2b64f3
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\Users\Admin\AppData\Roaming\Network UniConverter Management 13\JdbcOdbc.dllMD5
791791c0e466eb0a6af462a265074c9d
SHA1db4e66209bd211ddc0378c0f62e644eb466cde0e
SHA256187d0a87805102aaacfdb0e18ea84a90af1540529e92430f84e3f46736383fc7
SHA512badbe604c1e99b848dbb184a1d081560a31749a89573a4c6202abec1c6aa670ca248a0e5cd9330a7c3fc90193f3f95cde6a9d44c881568ca1a9b3b063da68566
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memory/1340-122-0x0000000000000000-mapping.dmp
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memory/1340-125-0x0000000000400000-0x00000000004F1000-memory.dmpFilesize
964KB
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memory/1532-135-0x0000000000000000-mapping.dmp
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memory/1840-118-0x0000000000400000-0x00000000004F1000-memory.dmpFilesize
964KB
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memory/1988-128-0x0000000000890000-0x0000000000891000-memory.dmpFilesize
4KB
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memory/1988-126-0x0000000000000000-mapping.dmp
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memory/2108-137-0x0000000000000000-mapping.dmp
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memory/3572-129-0x0000000000000000-mapping.dmp
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memory/3828-121-0x0000000002780000-0x0000000002781000-memory.dmpFilesize
4KB
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memory/3828-119-0x0000000000000000-mapping.dmp