Behavioral task
behavioral1
Sample
2024-05-12_bcd9d7db8f9fa29606d77b0ff0c23a40_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-12_bcd9d7db8f9fa29606d77b0ff0c23a40_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-12_bcd9d7db8f9fa29606d77b0ff0c23a40_cryptolocker
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Size
56KB
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MD5
bcd9d7db8f9fa29606d77b0ff0c23a40
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SHA1
ef2c5812b3c0b71ad184901cbf502d5801e415da
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SHA256
168b48526353af1bb4a8596e6e00a635a149fbf3900336a17babaadc031f733e
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SHA512
9f2c592fbf951bfe46d77f545939f7b2be8f7c710f8d3b85a5061b84a0e0111ca04003244ea395303f64484ed21c779f3703a8eadadac97b85a9f229837a74b4
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlYRY:bP9g/xtCS3Dxx0Lq
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 2024-05-12_bcd9d7db8f9fa29606d77b0ff0c23a40_cryptolocker
Files
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2024-05-12_bcd9d7db8f9fa29606d77b0ff0c23a40_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