Analysis
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max time kernel
151s -
max time network
172s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 06:25
Static task
static1
Behavioral task
behavioral1
Sample
c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe
Resource
win10v2004-20221111-en
General
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Target
c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe
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Size
276KB
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MD5
00ae07e7ab54ea8ca70a2d74db7d63c6
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SHA1
d0737647dfffee7e6271e17e908eb67c6309f151
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SHA256
c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20
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SHA512
5b8871831bb173ce05888e9f28c48cde654a602d7d1bdc6ee90042a75bbce5fae86b715f726c304db1d34371154c59f04fa723b3c8b4cc4745b60ca28e25962c
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SSDEEP
6144:IcD08VhiUJw46Xjhbg6xDyv2GALijX1Na/HZuk:IcD08VwUJ76Xjh0sFXiJk
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\\C5B6EE~1.EXE," c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\C5B6EE~1.EXE" c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\8ff53af1 = "Ÿ>ãSU{žt\x1c±ÛCö\x060ŸÄ@ðA¨gL$iå.ª¬[¢ut°E‹,Ñ¢µþð‡b^\x1bN2\x1aÄ \b\n\x12¹q™{}bc\"4\x02Nud\x1aD¹6¦‡¾\u008d]\x12H\x05\x12\u008dþZaþ(]%Ê" c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\C5B6EE~1.EXE" c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1728 c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe 1728 c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe 1728 c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe 1728 c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe 1728 c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe 1728 c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe 1728 c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 1728 c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe Token: SeSecurityPrivilege 1728 c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe Token: SeSecurityPrivilege 1728 c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe Token: SeSecurityPrivilege 1728 c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe"C:\Users\Admin\AppData\Local\Temp\c5b6ee8f86f5fbdd64566a63becb0e61844f2aa91a6f9bb82a60c9d03314ab20.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1728