Behavioral task
behavioral1
Sample
Roblox Player.rar
Resource
win7-20240508-en
General
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Target
Roblox Player.rar
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Size
82KB
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MD5
c4e3c8e2f02594c8ace6137fb50c1eb9
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SHA1
53013ab3c60826707430cf985585267e8376b420
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SHA256
3664113f7ace4433828dbc22df3592b3dc46eadfb1448868af8ff0803afd9041
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SHA512
f261b61efdb335fe722cf509e2eae58660fb2bb1cdb737db3b2a9e42ec674f57fa32a6bafaa7ccec0b91d24b313b8ee6268ccf8ebc06336bc007c756c06b5704
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SSDEEP
1536:dy1KufIr9Rx7VdRQlnwWkHvXgvKWcqQ7kT1IyKLeDWZcPCJZVpj67WvnTcf:dyQr17VdR2wA4AT1IyK6DWZLx67UT6
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule static1/unpack001/Roblox Player .exe family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Roblox Player .exe
Files
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Roblox Player.rar.rar
Password: 1
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Roblox Player .exe.exe windows:4 windows x86 arch:x86
Password: 1
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 228KB - Virtual size: 228KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ