Static task
static1
Behavioral task
behavioral1
Sample
BloxflipJS.exe
Resource
win7-20230220-en
General
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Target
BloxflipJS.exe
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Size
4.5MB
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MD5
e44471a1cd29cc6815cda4366cabc457
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SHA1
ed443d4b50f7131bc2630735e1fa0aa749c9387e
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SHA256
c1cc09713e8e29ec37f7e0bc5dfa0a49fad7923bf374470b4be4a6ff8e56478e
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SHA512
2bada04f497843a4b5dda9dd38be4e051fae1ef678a06ad2ddd1a872e49334341d15151151ee381658526d0fe890e81b7b9d7d73f714c30559e26951734ee802
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SSDEEP
98304:QQf3s64R9ybzUcwti78OqJ7TPBF3ZlHHgkWJ0P39qXSaDv:1zUcwti7TQlF3ZxxWJSUnDv
Malware Config
Signatures
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Nirsoft 1 IoCs
resource yara_rule sample Nirsoft -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule sample WebBrowserPassView -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource BloxflipJS.exe
Files
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BloxflipJS.exe.exe windows x86
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_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 4.5MB - Virtual size: 4.5MB
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