Behavioral task
behavioral1
Sample
2024-02-19_09cb93249ed0687da42caae8f37e7a71_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_09cb93249ed0687da42caae8f37e7a71_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-19_09cb93249ed0687da42caae8f37e7a71_cryptolocker
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Size
81KB
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MD5
09cb93249ed0687da42caae8f37e7a71
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SHA1
1a798531ac0bba08f26aa09335f94e70ac7b8cb5
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SHA256
66af679b60ab3d45989b42a715096bf862f5ecea16ffc9a58a9564f835b2b86c
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SHA512
ad4dfe79ef3692fba9b323088aeb6c46af0c8b8d3cf6a39204f450d32c433af17bd81e92cd2c3ee2a14b8edc86bdaa3b4fa80a74cb433018fbf034ed7dcb4c51
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1Zm:zCsanOtEvwDpjq
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 2024-02-19_09cb93249ed0687da42caae8f37e7a71_cryptolocker
Files
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2024-02-19_09cb93249ed0687da42caae8f37e7a71_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