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General
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Target
4f0a7b8523cea2af5411490ec5a94333
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Size
666KB
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Sample
240109-ycq8ksaed9
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MD5
4f0a7b8523cea2af5411490ec5a94333
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SHA1
291f3a0e32334823c41da2e1013819bd9b133bd4
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SHA256
e61e016f08831015aa39a818fc430b786f13f3611d269a8a88165c899730a4f7
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SHA512
62488dd26192fcc487785e09f7493b990d54fba6b97aa1b201f3a746dd0b789e16b98d5bbd3f5e96f7b6b2cb0acc6266b29b558e52612bddbaf6e4c6873eb9bd
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SSDEEP
12288:5MMpXKb0hNGh1kG0HWnAL7MMpXKb0hNGh1kG0HWnAL+:5MMpXS0hN0V0H7MMpXS0hN0V0H+
Behavioral task
behavioral1
Sample
4f0a7b8523cea2af5411490ec5a94333.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4f0a7b8523cea2af5411490ec5a94333.exe
Resource
win10v2004-20231222-en
Malware Config
Targets
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Target
4f0a7b8523cea2af5411490ec5a94333
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Size
666KB
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MD5
4f0a7b8523cea2af5411490ec5a94333
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SHA1
291f3a0e32334823c41da2e1013819bd9b133bd4
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SHA256
e61e016f08831015aa39a818fc430b786f13f3611d269a8a88165c899730a4f7
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SHA512
62488dd26192fcc487785e09f7493b990d54fba6b97aa1b201f3a746dd0b789e16b98d5bbd3f5e96f7b6b2cb0acc6266b29b558e52612bddbaf6e4c6873eb9bd
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SSDEEP
12288:5MMpXKb0hNGh1kG0HWnAL7MMpXKb0hNGh1kG0HWnAL+:5MMpXS0hN0V0H7MMpXS0hN0V0H+
Score10/10-
Modifies WinLogon for persistence
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Renames multiple (91) 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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