Analysis
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max time kernel
147s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 20:20
Static task
static1
Behavioral task
behavioral1
Sample
a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe
Resource
win7-20220901-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe
Resource
win10v2004-20220812-en
0 signatures
150 seconds
General
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Target
a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe
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Size
269KB
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MD5
481518e42dc8d2c28d72be2582ce5a86
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SHA1
7dfc041e74b02e4941ce548199a497443a9aa1b7
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SHA256
a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23
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SHA512
3d32cadf8e5289c132f8bd16a739fb4e09cde9d198fc2dd596a67dd17491624e812d2d1f417d00621c97e1da034196d355501d019190c5fd82d8f196b08795b1
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SSDEEP
6144:8Bv99HElTc923+7UOJQmMaqy8iyCjOBRh:W9x0Tc9UUBM2DjK
Score
10/10
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\\A21EE9~1.EXE," a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\A21EE9~1.EXE" a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\76a0733c = "øW[^xÂU8ÒÚ©\x02ÆÕ‹B>s™\x06ÛÒo\x19<TüWëë6¨ó\tW!b\x0eªêËó`•£ÂRJŒaÇñÑ/7\x032jð¦ŠwÙ:Zÿ\x10ÉÁ¬«ë}\x10$ÇӘ‚\x17g¶¤2r" a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\A21EE9~1.EXE" a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2024 a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe 2024 a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe 2024 a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe 2024 a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe 2024 a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe 2024 a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe 2024 a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 2024 a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe Token: SeSecurityPrivilege 2024 a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe Token: SeSecurityPrivilege 2024 a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe Token: SeSecurityPrivilege 2024 a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe"C:\Users\Admin\AppData\Local\Temp\a21ee9805b4ffa9f42b2b895ce5b2e7432b37ffda87ca1bda3995ecae0fdcb23.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2024