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Analysis
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max time kernel
0s -
max time network
14s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
24/12/2023, 14:24
Static task
static1
Behavioral task
behavioral1
Sample
28ec24a9e75bbec5744bb29dd8c9681fe5d03488bb8ef872ac7b6f3f63732cfe.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
28ec24a9e75bbec5744bb29dd8c9681fe5d03488bb8ef872ac7b6f3f63732cfe.exe
Resource
win10v2004-20231215-en
Errors
General
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Target
28ec24a9e75bbec5744bb29dd8c9681fe5d03488bb8ef872ac7b6f3f63732cfe.exe
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Size
956KB
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MD5
b65a5d5745564fbe0a03aef2a94d5f33
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SHA1
ce53c310e1a288be95c5e5edbc5f3531bbb4ef53
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SHA256
28ec24a9e75bbec5744bb29dd8c9681fe5d03488bb8ef872ac7b6f3f63732cfe
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SHA512
fa24a4e064edb0438983e8a2ad95965a0910be5fc22508e699f5eb6d0c84b50f440f36a77b52d025904aacf246dbc8a48ee48d27b8e397b42c70f744f42ae7a2
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SSDEEP
24576:9jOCyxUFVtCChXueW1RTvSIuTZiUyteRjBAt:9LyI7hQRT3uIoGt
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Program Files\\System.dll" 28ec24a9e75bbec5744bb29dd8c9681fe5d03488bb8ef872ac7b6f3f63732cfe.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\physicaldrive0 28ec24a9e75bbec5744bb29dd8c9681fe5d03488bb8ef872ac7b6f3f63732cfe.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files\System.dll 28ec24a9e75bbec5744bb29dd8c9681fe5d03488bb8ef872ac7b6f3f63732cfe.exe File opened for modification C:\Program Files\System.dll 28ec24a9e75bbec5744bb29dd8c9681fe5d03488bb8ef872ac7b6f3f63732cfe.exe File created C:\Program Files\360.dll 28ec24a9e75bbec5744bb29dd8c9681fe5d03488bb8ef872ac7b6f3f63732cfe.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 2124 28ec24a9e75bbec5744bb29dd8c9681fe5d03488bb8ef872ac7b6f3f63732cfe.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2124 28ec24a9e75bbec5744bb29dd8c9681fe5d03488bb8ef872ac7b6f3f63732cfe.exe 2124 28ec24a9e75bbec5744bb29dd8c9681fe5d03488bb8ef872ac7b6f3f63732cfe.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\28ec24a9e75bbec5744bb29dd8c9681fe5d03488bb8ef872ac7b6f3f63732cfe.exe"C:\Users\Admin\AppData\Local\Temp\28ec24a9e75bbec5744bb29dd8c9681fe5d03488bb8ef872ac7b6f3f63732cfe.exe"1⤵
- Adds Run key to start application
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2124
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x01⤵PID:2368
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x11⤵PID:2720