Behavioral task
behavioral1
Sample
2024-01-25_a1ef0b229d812aaee7c3c1c65e86d3fe_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_a1ef0b229d812aaee7c3c1c65e86d3fe_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_a1ef0b229d812aaee7c3c1c65e86d3fe_cryptolocker
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Size
57KB
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MD5
a1ef0b229d812aaee7c3c1c65e86d3fe
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SHA1
28ec292898089494e59c4d643b0f1bc464195f63
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SHA256
cfe7c7d9fefdf94d3c9c92780f64b2a4461c5d6b796c5dc02da6d865eb7039fb
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SHA512
8c6280dcec9cc53c1eb492096b83218e9c18a73a6affd07a64411bb0e7372fcea301bd7c9554e71974fbab3baa323cf18e881fca11c787cb49d3df3670ec3e6f
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appgcmZ:z6QFElP6n+gKmddpMOtEvwDpj9aYaQ3Z
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-01-25_a1ef0b229d812aaee7c3c1c65e86d3fe_cryptolocker
Files
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2024-01-25_a1ef0b229d812aaee7c3c1c65e86d3fe_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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