Analysis
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max time kernel
149s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
08-10-2022 20:30
General
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Target
24071662414012a689e2e4255c0a6b917f9ed40fc937834b127b803c7b3e7893.exe
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Size
2.8MB
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MD5
f13b30230ecebedea0628ff05cf8dd1f
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SHA1
764ec8bdd350bf9fad3e8a59948d932da785497d
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SHA256
24071662414012a689e2e4255c0a6b917f9ed40fc937834b127b803c7b3e7893
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SHA512
1605b4921393156e7fa00674483ad2916155ad90d657efa02e9b44ea0ef20268433c0f697bac01613e74558dbb6d5554c35c725b1c14da2f5d552dc99726bbfc
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SSDEEP
49152:j20wUNfi5XW1TPwZkr0Wm3krnoukFQXC33ebJF+3KvWIzoxVSnUZ8WOyhAR8ygVM:S0wy7TPwc00M9FQX2Q+3PxVSUZ8lnRQm
Malware Config
Extracted
joker
https://ruanjian336.oss-cn-beijing.aliyuncs.com
Signatures
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joker
Joker is an Android malware that targets billing and SMS fraud.
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detect oss ak 8 IoCs
oss ak information detected.
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UPX packed file 24 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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.
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Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs
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Enumerates system info in registry 2 TTPs 2 IoCs
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Suspicious use of SetWindowsHookEx 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\24071662414012a689e2e4255c0a6b917f9ed40fc937834b127b803c7b3e7893.exe"C:\Users\Admin\AppData\Local\Temp\24071662414012a689e2e4255c0a6b917f9ed40fc937834b127b803c7b3e7893.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
4.1MB
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Filesize
1.6MB
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Filesize
2.1MB
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Filesize
1.6MB
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Filesize
488KB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
1024KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
252KB
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Filesize
4.1MB
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Filesize
1024KB
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Filesize
4.1MB
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Filesize
4.1MB