General
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Target
b4de9283c94506b50619b04a6be223d6
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Size
1.1MB
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Sample
240305-raenfagd5x
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MD5
b4de9283c94506b50619b04a6be223d6
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SHA1
c1b098d8dfc9e08b0f74fe11ed27a6971d01c415
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SHA256
fc59d57ad4adc8dd36263f505f54f918ae04ed608099caba15203c5d793e8140
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SHA512
9c3191d8eadff0580838bb5598b0a5c5bec3ebf5da2521b52953f642d257ed2d8d0cb5b755802524b493772d1c75e661df39ae5569d4c006fb60a0eefac5f28a
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SSDEEP
12288:5MMpXKb0hNGh1kG0HWnAL7MMpXKb0hNGh1kG0HWnALI:5MMpXS0hN0V0H7MMpXS0hN0V0HI
Behavioral task
behavioral1
Sample
b4de9283c94506b50619b04a6be223d6.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b4de9283c94506b50619b04a6be223d6.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
b4de9283c94506b50619b04a6be223d6
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Size
1.1MB
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MD5
b4de9283c94506b50619b04a6be223d6
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SHA1
c1b098d8dfc9e08b0f74fe11ed27a6971d01c415
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SHA256
fc59d57ad4adc8dd36263f505f54f918ae04ed608099caba15203c5d793e8140
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SHA512
9c3191d8eadff0580838bb5598b0a5c5bec3ebf5da2521b52953f642d257ed2d8d0cb5b755802524b493772d1c75e661df39ae5569d4c006fb60a0eefac5f28a
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SSDEEP
12288:5MMpXKb0hNGh1kG0HWnAL7MMpXKb0hNGh1kG0HWnALI:5MMpXS0hN0V0H7MMpXS0hN0V0HI
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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