General
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Target
Optimizer.zip
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Size
107KB
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MD5
f3bcf6b8ed0e5affe06a1b1d4f3f2820
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SHA1
844cfea6390aa3644dfad9c6f9a2833109147158
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SHA256
58185aef58b2fdefa6579bfb7a30048f3b91efe1560f355a3f71c95614dded2f
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SHA512
2650f04a08f7e02c53cb69a224817041ef6ffb29bdd4ec3f75e876c5736d3dbe23004405fac676fc0966bb37eead4859e48cdcf42b458ed65d6c5f951f33fc0d
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SSDEEP
3072:82mvPbZSkmUJlum6XhJTaiWswHaVcScs7U3/Dwr8g/I:8PvPbZvV7udxtaiWpaVcEU3MP/I
Malware Config
Signatures
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Processes:
resource yara_rule static1/unpack001/Optimizer.exe upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/Optimizer.exe
Files
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Optimizer.zip.zip
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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