Analysis
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max time kernel
151s -
max time network
161s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03-12-2022 19:51
Static task
static1
Behavioral task
behavioral1
Sample
a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe
Resource
win10v2004-20220901-en
General
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Target
a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe
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Size
249KB
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MD5
136b180d281f37ada4e0551a8fe575f3
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SHA1
3843c26e8efc39198273dd42063b3f832e4fcdd4
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SHA256
a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b
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SHA512
11428d933a249d379e96f179a82bc177d1fe07c948f9094c68b2394a0a1c4c527da05bced4d97cd57a7eb4965c8e6db14110b3a511030aa9385fac79ce66d8df
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SSDEEP
6144:7PnkMwb+DWF3ayNbxB+m3dsYfNdPhTr4E6A3cK:TkMwb+DWYsq54d5TXPcK
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\\A41749~1.EXE," a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\A41749~1.EXE" a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\8d6165e6 = "ÃoF™\x03_ÁƒÌ‘Ný\x03ª/Ùà8¾Sžñ9¾\x030ؾ‘\x1dÇ\x01€ä\x1aØA·,mÿî:ÕÆ\v½Lëzs›¯\x04\"\x19\x13.Ì,骩\x06þTÄ\x15¸ŸÓïõÚE¤VèŠ5˜gy¸7´¿D\vÙ\x17\x14\x1be;çªN¸-Ý£`#\u00a0¹2ì|\x121j™½2Ê0\nPªJ:ÂyeAÛÓ2H\x131\x01Ýر€\\ÒE2²\"\u00a0\n\x19’Ô\t`8\x12¨\u0090€(\nÀüÙ¼ õqóÂ別뱑e$BLÒ²„9L\x11h€\x04xb’È{\b\fTrì\bÅYŠ\x1bƒ°¡²9ðÁ\nzjX‚,¼±Z" a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\A41749~1.EXE" a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1728 a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe 1728 a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe 1728 a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe 1728 a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe 1728 a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe 1728 a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 1728 a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe Token: SeSecurityPrivilege 1728 a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe Token: SeSecurityPrivilege 1728 a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe Token: SeSecurityPrivilege 1728 a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe"C:\Users\Admin\AppData\Local\Temp\a417499d4fef2561a8fe083bdf108ab46f40ba27ba0482f872479561a6d1ec7b.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1728