Behavioral task
behavioral1
Sample
2024-06-15_bc8375c6b5dbf2ebbbf9ce941962d1eb_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-15_bc8375c6b5dbf2ebbbf9ce941962d1eb_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-15_bc8375c6b5dbf2ebbbf9ce941962d1eb_cryptolocker
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Size
57KB
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MD5
bc8375c6b5dbf2ebbbf9ce941962d1eb
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SHA1
b668494fa84aeea8a6fd701b8251978d3ef7274b
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SHA256
ba2eba0cda257c68aa046277140b6d623f4a163194777f6175bc0ce0719c14d7
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SHA512
2edf38f7b26bb7b31e10f4191056b9ca8d8d0b83871e44dfbb694a1d40d34771bce6027ee10fc1829561a17ca479677a037a66299dc139feb1e25bb5b8a89367
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlYo:bP9g/xtCS3Dxx0Lo
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-15_bc8375c6b5dbf2ebbbf9ce941962d1eb_cryptolocker
Files
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2024-06-15_bc8375c6b5dbf2ebbbf9ce941962d1eb_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE