Behavioral task
behavioral1
Sample
2024-03-08_c635fb456662db4cb434c633c579e32d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-08_c635fb456662db4cb434c633c579e32d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-08_c635fb456662db4cb434c633c579e32d_cryptolocker
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Size
87KB
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MD5
c635fb456662db4cb434c633c579e32d
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SHA1
cf27e5c307c12a9720dee3967d2dbcbf8299c0a0
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SHA256
91e820230abc15a68f4e278ffc27280d29bcfd1ec355499530342966751002be
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SHA512
2a6cb2f38ec24405ece0db83ab6ba946401bb08dbb302cd6bd2452eb9cebd2f4eaf69c60c5358fd76770e21076d31f1f18b1fba3077779797ae6a43f7421acb2
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tP:zCsanOtEvwDpjR
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 2024-03-08_c635fb456662db4cb434c633c579e32d_cryptolocker
Files
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2024-03-08_c635fb456662db4cb434c633c579e32d_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