Behavioral task
behavioral1
Sample
2024-02-18_c0f8376b19459f1308048cfa50613308_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_c0f8376b19459f1308048cfa50613308_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-18_c0f8376b19459f1308048cfa50613308_cryptolocker
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Size
97KB
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MD5
c0f8376b19459f1308048cfa50613308
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SHA1
2387952722612922820e066ace191230dcf6ed44
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SHA256
f7e79276ec9e47058434f65a8537f75737b76e962f701104b2fc97eecbe43c8e
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SHA512
3c9468e4a4a2bb3d54a1a8614f02f67fbf465e6023c54e2f5490a80890b5b88848f8defcc8bfabddd7cbca032213229a259249984e7bb8f824546caaa83f7b8e
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKic:z6a+CdOOtEvwDpjcY
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 2024-02-18_c0f8376b19459f1308048cfa50613308_cryptolocker
Files
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2024-02-18_c0f8376b19459f1308048cfa50613308_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