Analysis
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max time kernel
150s -
max time network
207s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
01-12-2022 22:30
Static task
static1
Behavioral task
behavioral1
Sample
7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe
Resource
win10v2004-20220901-en
General
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Target
7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe
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Size
260KB
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MD5
41e0cef3bb6871be4bf9d4ed3c920e95
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SHA1
d043c06b4061d3baf0a6d03a833d16e9f9f145d1
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SHA256
7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b
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SHA512
1ad91ce5a650b98c07d6f52bc06cd3ec7893e29cc27b7a0bf9919af8c354bddbc3b0f792e9efa386d7f168d37b3aed188ab358d57de316c4b947d11b74e9dc89
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SSDEEP
6144:yFAqgNMrMNnHGUS0mATGBqxwO54kBzPpSC5T0i8S:yUNKMQUzSwh5bBzseT0m
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\\7BF960~1.EXE," 7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7BF960~1.EXE" 7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\1ad23133 = "“S˜2-Ýn\x16¨^Z)ñ~X\x1f\b¾ØÖ\n©áx›L?KD2|ãp" 7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7BF960~1.EXE" 7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1364 7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe 1364 7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe 1364 7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe 1364 7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe 1364 7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe 1364 7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe 1364 7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 1364 7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe Token: SeSecurityPrivilege 1364 7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe Token: SeSecurityPrivilege 1364 7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe Token: SeSecurityPrivilege 1364 7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe"C:\Users\Admin\AppData\Local\Temp\7bf9607e29b2908938eecb81d372f3c931f03cb23db546e88ad245dd0e38e43b.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1364