General
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Target
Optimizer.exe
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Size
159KB
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MD5
59c1d1b1d0e5447efc7dea6087ecee39
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SHA1
b824b16e781a3238dfe9bbe3b34990a1054c48d5
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SHA256
c1d0c89274c04a62eed5c41f5fe592e95dbd4e4e2e25b6000ebb5ddefd2124cb
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SHA512
cba7c13bb2e9267d2c78bb9f98fcca1a8b2c84ad6cd27cae9e0b701107c944d292dfdc032bd8a90c4877c04b173703ff8a66246002ab9bdb85e3604a843a5ddc
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SSDEEP
3072:+vjciRUMVLEK/NwhxaE0UojUPeKW74MELtomx9avYFZloH8:UjeJcQ900eWZxWvYFZloH8
Malware Config
Signatures
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Processes:
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource Optimizer.exe
Files
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Optimizer.exe.exe windows:4 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
UPX0 Size: - Virtual size: 256KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 95KB - Virtual size: 96KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE