Analysis
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max time kernel
93s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
29-05-2024 14:17
Static task
static1
Behavioral task
behavioral1
Sample
4be825ffefde03c6614e5799f7e489084e03620eb383f91624a7d24f63adfa36.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
4be825ffefde03c6614e5799f7e489084e03620eb383f91624a7d24f63adfa36.exe
Resource
win10v2004-20240426-en
General
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Target
4be825ffefde03c6614e5799f7e489084e03620eb383f91624a7d24f63adfa36.exe
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Size
535KB
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MD5
d17dcd3b8f0bd0ae5eee86b39c4232c5
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SHA1
8d9ed7444aabf5df4e4066c707358e03c9a38cf8
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SHA256
4be825ffefde03c6614e5799f7e489084e03620eb383f91624a7d24f63adfa36
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SHA512
e5bba3470615b5f854209ce8d7fbea534cc6092d7f1ed1eef32c570aeef118467e1dd1772e8a8cab4507c7088fe4ca798d086189464f51086e05255e87fce22f
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SSDEEP
12288:z/JPISLQOyNXK9ayXmhUcVbbwKylMV+rGLvbOHxGz:z78fN6YrbtbJHVsG1z
Malware Config
Signatures
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MedusaLocker
Ransomware with several variants first seen in September 2019.
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MedusaLocker payload 4 IoCs
resource yara_rule behavioral2/memory/2364-3-0x0000000000400000-0x0000000000476000-memory.dmp family_medusalocker behavioral2/memory/2364-6-0x0000000000400000-0x0000000000476000-memory.dmp family_medusalocker behavioral2/memory/2364-2-0x0000000000400000-0x0000000000476000-memory.dmp family_medusalocker behavioral2/memory/2364-8-0x0000000000400000-0x0000000000476000-memory.dmp family_medusalocker -
Program crash 2 IoCs
pid pid_target Process procid_target 2008 2364 WerFault.exe 80 3196 2364 WerFault.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\4be825ffefde03c6614e5799f7e489084e03620eb383f91624a7d24f63adfa36.exe"C:\Users\Admin\AppData\Local\Temp\4be825ffefde03c6614e5799f7e489084e03620eb383f91624a7d24f63adfa36.exe"1⤵PID:2364
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 5722⤵
- Program crash
PID:2008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 6162⤵
- Program crash
PID:3196
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2364 -ip 23641⤵PID:3840
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2364 -ip 23641⤵PID:3716