General
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Target
ab7b8c6838cd96c08fde537907e56ac0.exe
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Size
834KB
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Sample
240107-yc1f9adfe7
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MD5
ab7b8c6838cd96c08fde537907e56ac0
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SHA1
02ea761b88f90a641eb88de8e7ad99d77fd917e3
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SHA256
a0c64195f226bdbf50d86312d5c64046567262385969fcb9c1aef9f1139154ba
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SHA512
85718bffa0ead44d46724ce97793809a82e544790ed4adc48f86b87dff280464695fdc6c378af1401856af1952e872fb0f0fe1a7ec9350da2b09c146e2ba4a60
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SSDEEP
12288:zMMpXKb0hNGh1kG0HWNAuCsltHiw+VsLkjrVlQB9FbDTF53nlNFRpO50w9XCfyGt:zMMpXS0hN0V0HDIHiw7
Behavioral task
behavioral1
Sample
ab7b8c6838cd96c08fde537907e56ac0.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
ab7b8c6838cd96c08fde537907e56ac0.exe
Resource
win10v2004-20231222-en
Malware Config
Targets
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Target
ab7b8c6838cd96c08fde537907e56ac0.exe
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Size
834KB
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MD5
ab7b8c6838cd96c08fde537907e56ac0
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SHA1
02ea761b88f90a641eb88de8e7ad99d77fd917e3
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SHA256
a0c64195f226bdbf50d86312d5c64046567262385969fcb9c1aef9f1139154ba
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SHA512
85718bffa0ead44d46724ce97793809a82e544790ed4adc48f86b87dff280464695fdc6c378af1401856af1952e872fb0f0fe1a7ec9350da2b09c146e2ba4a60
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SSDEEP
12288:zMMpXKb0hNGh1kG0HWNAuCsltHiw+VsLkjrVlQB9FbDTF53nlNFRpO50w9XCfyGt:zMMpXS0hN0V0HDIHiw7
Score10/10-
Modifies WinLogon for persistence
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Renames multiple (84) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory
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