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Analysis
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max time kernel
143s -
max time network
157s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/12/2022, 13:09
Behavioral task
behavioral1
Sample
ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe
Resource
win10v2004-20220901-en
General
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Target
ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe
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Size
257KB
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MD5
45134015a574801f546ab925d074ec64
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SHA1
0a7de6485a947e429a216ab9ad6e771e4ab5fb0b
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SHA256
ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562
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SHA512
7048cf7ef1a75d3a937a928960e62b27c20f1e8b1030499c7dfecde076634579014ec00e095f47785cb6324dc03ffcc11ece1ce35a8153680accc3f0d41e2ce7
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SSDEEP
6144:1+g/UuZuwAjDwzzCAoyzOC6IvDePVf6MCRON/7:1CRDqCXyqief68N/7
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\CA5D87~1.EXE," ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CA5D87~1.EXE" ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\63760eff = "\x12jŽxsÃg’øÙA½\x13\x0fí\x19þUE©„¯ÁÄ¢f”Ø\"¢uSô9ö¹ýXª·Ðž\x7f6?WA©}ìyÚ¬»\x16Tý•ó@cå4g%³5NÄœ~¤\u0090uYÇn\x04—ø“r]}ªÖ\x04\x16(ù\x10\x1aj\a`ÌwG$}5SM`m\x05aMLX°heÐœ>Ž&‚MåÐàÅZ\x16ÁÈ\u0090MÉ(¸U,\x1c½Q†\x10Øài¶Ð\u00a0MØ>í™\x119ŽÐöˆ\u008dè\u0090ÒèiÖÍÕ¥MÊÐ\x10\x12ݲÕXPÍXà¢\u008d„¢\x10Â\u0090¸•\x1dÕáI-Œ„P\u008d‘JΰµMˆüè\x1eõ–i¾ö\x15ø\x15 Vi%¸¡" ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CA5D87~1.EXE" ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 748 ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe 748 ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe 748 ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe 748 ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe 748 ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe 748 ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe 748 ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 748 ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe Token: SeSecurityPrivilege 748 ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe Token: SeSecurityPrivilege 748 ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe Token: SeSecurityPrivilege 748 ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe"C:\Users\Admin\AppData\Local\Temp\ca5d878f7baa958ba216fad79efa621654fd41857cb05e38ee46f6048702e562.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:748