Behavioral task
behavioral1
Sample
2024-04-06_38f6ebb2f615c22f77fe1f2ea54a9971_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-06_38f6ebb2f615c22f77fe1f2ea54a9971_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-06_38f6ebb2f615c22f77fe1f2ea54a9971_cryptolocker
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Size
88KB
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MD5
38f6ebb2f615c22f77fe1f2ea54a9971
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SHA1
b2814ee0c9a8ac4ede788cedd3aa23efcf7e2296
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SHA256
fd6c5f233d9fbb8b17ea5e6d12e6342283e6e9531f7239475683f5d52e1f3205
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SHA512
4dd7bc28c9acb1b1590ec4b43560f5a00fffbab4ada6fe87944fea9f65655b945c6ca732a62c92625e1e6da7374ea55192d9b5d3c997a857782e9d79786b2fbd
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjRH:zCsanOtEvwDpjE
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 2024-04-06_38f6ebb2f615c22f77fe1f2ea54a9971_cryptolocker
Files
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2024-04-06_38f6ebb2f615c22f77fe1f2ea54a9971_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