Analysis
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max time kernel
93s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
11/04/2024, 03:24
General
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Target
unicallem.dll
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Size
1009KB
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MD5
21285f2f301be864240aeb2c922ec99e
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SHA1
7b87d11fb3c3eba4869e9949cbe7873c8bf4c53b
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SHA256
db7f6960f17163aa836c180fc1845fc14d9c49f7584ca63a24192f011589b6b1
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SHA512
6a44483379aecca92ca913e06668d987f32684878366a87b0c9da4d8e5f6e710ba0a3690227aa4e7e09195d7012e76c41c457ca29d8ddbb631e16f2a507b8962
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SSDEEP
24576:g7mF0WFAB652nVotTX2Lwf3ZAZQ0VHdXn6r6J:3ZlCsL1f+ZQ6P
Score
6/10
Malware Config
Signatures
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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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Program crash 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\unicallem.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\unicallem.dll,#12⤵
- Writes to the Master Boot Record (MBR)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 7243⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4700 -ip 47001⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.6MB
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Filesize
3.6MB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
1024KB
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Filesize
4KB
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Filesize
4KB
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Filesize
1024KB
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Filesize
4KB
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Filesize
1024KB
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Filesize
4KB
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Filesize
4KB
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Filesize
8KB
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Filesize
4KB
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Filesize
4KB
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Filesize
1024KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
300KB
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Filesize
4KB
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Filesize
3.6MB