Behavioral task
behavioral1
Sample
2024-02-12_a2f123ab20e1d96ee153551cf7f57ffb_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_a2f123ab20e1d96ee153551cf7f57ffb_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_a2f123ab20e1d96ee153551cf7f57ffb_cryptolocker
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Size
60KB
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MD5
a2f123ab20e1d96ee153551cf7f57ffb
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SHA1
a5ff1d258c38c9e6ffe29befe15e54e4cc8ec4b2
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SHA256
0d987ee2b8f00bfa2b4674d5c47315cbaeeeff890ceaee206cc39467f04e46ad
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SHA512
7cc3166f43d3726439cdad559988765c514893368f81a0475a19e4cf5af7efa97f3bc01d15300ad67de7724ff2cb4a1e9ed92e91f66b0dbf370f3faa68b70700
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAWm:z6a+CdOOtEvwDpjQo
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 2024-02-12_a2f123ab20e1d96ee153551cf7f57ffb_cryptolocker
Files
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2024-02-12_a2f123ab20e1d96ee153551cf7f57ffb_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