Behavioral task
behavioral1
Sample
2024-04-20_4749ece6ce51f46e9b2e70a98d1a4384_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-20_4749ece6ce51f46e9b2e70a98d1a4384_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-20_4749ece6ce51f46e9b2e70a98d1a4384_cryptolocker
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Size
88KB
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MD5
4749ece6ce51f46e9b2e70a98d1a4384
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SHA1
ef83d29adf02f1d52dddd53936fcfbb8f802e3f8
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SHA256
cf4908d2929f6cdf0aa72bf028e1a2b65994585dfabf4c7797e5ce53c416327e
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SHA512
6bc12feeaad7dcaaddaf4bfe217134d0ae0c78db1bc95ceba4b5f74a3b198523be36aff5dc502fa852763804fd1f66ef52d72a5d215433499a15dd5daa5b7152
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tyblK:zCsanOtEvwDpjp
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 2024-04-20_4749ece6ce51f46e9b2e70a98d1a4384_cryptolocker
Files
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2024-04-20_4749ece6ce51f46e9b2e70a98d1a4384_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_CODE
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