Behavioral task
behavioral1
Sample
FERFWER.exe
Resource
win7-20231215-en
General
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Target
FERFWER.zip
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Size
3.3MB
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MD5
2fbe3dbaeda367d1d01c4254cc32f452
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SHA1
91f7890573c2930b2fb01a2eeeb45b7cb5eb6f02
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SHA256
d69b95400c04e86dc545dbfd25bb445f6480234975d6c3cf65eae7deca2cea6d
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SHA512
bd18785e86f04a7e4b93b66e5974580085a3f4323141594d20ca5d836b0b752f1a50511d8a876252efb14453426efe4dcf6a029a7ac0d934eb87097c38b2216e
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SSDEEP
98304:nLc1QGAJt2Sv7dz92vFjT9jlEOjHtYi/2:L+UXbv7dz9wFf9JEOjKi/2
Malware Config
Signatures
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resource yara_rule static1/unpack001/FERFWER.exe themida -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/FERFWER.exe
Files
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FERFWER.zip.zip
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FERFWER.exe.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
Size: 22KB - Virtual size: 48KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 8KB - Virtual size: 29KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 953B - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 1KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 37KB - Virtual size: 37KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 434B - Virtual size: 460B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.imports Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 4KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.themida Size: - Virtual size: 5.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 3.2MB - Virtual size: 3.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 16B - Virtual size: 4KB
IMAGE_SCN_MEM_READ