Behavioral task
behavioral1
Sample
2024-03-27_bfac02b469c5575259843e586ab88ce2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-27_bfac02b469c5575259843e586ab88ce2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-27_bfac02b469c5575259843e586ab88ce2_cryptolocker
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Size
80KB
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MD5
bfac02b469c5575259843e586ab88ce2
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SHA1
1c5b7cc0d1c2944ead49c5e17c20730ee734c7b9
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SHA256
ad3c667c0f8e666fbe05568412ad515add84d1bd3a2df52182d705a5d4134c12
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SHA512
437ae6a81c18618bf995da317031264edcaa11a2b600f0a1749b5f4b098f728f380bd75ee3c883d367e6d00cd5be99daadeed115d0ba49c5ae50fa639f57f32e
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kySeY:zCsanOtEvwDpjj
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 2024-03-27_bfac02b469c5575259843e586ab88ce2_cryptolocker
Files
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2024-03-27_bfac02b469c5575259843e586ab88ce2_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