Behavioral task
behavioral1
Sample
2024-03-07_f4dd25a6c36ce5d678f64e8564a65332_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-07_f4dd25a6c36ce5d678f64e8564a65332_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-07_f4dd25a6c36ce5d678f64e8564a65332_cryptolocker
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Size
115KB
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MD5
f4dd25a6c36ce5d678f64e8564a65332
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SHA1
97079d710c826822971000b4b9f16b78fea23c33
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SHA256
833c43e2f7d84613ba3c4010db60e8298f27d4879ef551c44a0682cf9f10c95d
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SHA512
d9f0eabca68f8795a058c10054528d3f36421e09cf1323c6fbf8c89eac500d430fb179ab6cc3c6d9bd52b866e5c12f4178105cb9c27ed76ff37fec9635ac5de9
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01H:z6a+CdOOtEvwDpjcz1
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 2024-03-07_f4dd25a6c36ce5d678f64e8564a65332_cryptolocker
Files
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2024-03-07_f4dd25a6c36ce5d678f64e8564a65332_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