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Analysis
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max time kernel
142s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 15:33
Static task
static1
Behavioral task
behavioral1
Sample
8f833a67164c441c989b861b86ec4e72.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8f833a67164c441c989b861b86ec4e72.exe
Resource
win10v2004-20231215-en
General
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Target
8f833a67164c441c989b861b86ec4e72.exe
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Size
2.0MB
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MD5
8f833a67164c441c989b861b86ec4e72
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SHA1
2c0cabe9cf1ae8a66d0c15e8f66aebd7391710f4
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SHA256
03a38d4de7132a935a3d776fcfb0cf458bdef0ee3f544c25f9b546315fc66c48
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SHA512
07c034ffc8d334b6bf0fb88cb3137796457157f8bde6f57ca0ae5ed499337cf9b573c65749b4b298cc4c60d6c956670ff777b07ac7070405b240d307147746cc
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SSDEEP
49152:oevLOCzg2G79RQ1bROiwIaC4njT1iXz7Shepx+6LST9u:onygfpRiROi1aC4njpOz7SAG6LI9u
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000a000000012247-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 2256 8f833a67164c441c989b861b86ec4e72.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 8f833a67164c441c989b861b86ec4e72.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main 8f833a67164c441c989b861b86ec4e72.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2256 8f833a67164c441c989b861b86ec4e72.exe 2256 8f833a67164c441c989b861b86ec4e72.exe 2256 8f833a67164c441c989b861b86ec4e72.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2256 8f833a67164c441c989b861b86ec4e72.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2256 8f833a67164c441c989b861b86ec4e72.exe 2256 8f833a67164c441c989b861b86ec4e72.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8f833a67164c441c989b861b86ec4e72.exe"C:\Users\Admin\AppData\Local\Temp\8f833a67164c441c989b861b86ec4e72.exe"1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2256
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
488KB
MD5f911db2a58f65c928c6476c7963c6a66
SHA14a457c0daf5557287ef3fa10085daf1b1d451132
SHA256f45c16103eb275a1ebec159c021fe60fa42d0105535a995a7ddf9e8417ddb364
SHA5122c1c04951aefb5352acccad7e8bf786113b59808f7ba79d904cabaac84d928d04e5f4c1cdc739630a1304ce065474d41a35ef38838e9058a6f6e6ee4e3550679