Behavioral task
behavioral1
Sample
2024-04-22_31e209c1d9f353846e068e51893bc1af_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-22_31e209c1d9f353846e068e51893bc1af_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-22_31e209c1d9f353846e068e51893bc1af_cryptolocker
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Size
85KB
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MD5
31e209c1d9f353846e068e51893bc1af
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SHA1
6fe76f7ca1b9ba860fc2a37cfd2ca606361a5eac
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SHA256
322cca1c183e41e89d95402ad88bcd0728f07e10cd6601bf662a5c8665be2a42
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SHA512
0623351b85484bf19ab6fa0118cd76a3cbe878842ed0b7c739c758bb692fbe330dedbd2beaca0d6761302990d5328c0fd7ddc0940cabc175df110f34eff68625
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5Rv:T6a+rdOOtEvwDpjN2
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 2024-04-22_31e209c1d9f353846e068e51893bc1af_cryptolocker
Files
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2024-04-22_31e209c1d9f353846e068e51893bc1af_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