Behavioral task
behavioral1
Sample
2024-02-28_3b18a52d36196d9ddcb9942feed240ca_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_3b18a52d36196d9ddcb9942feed240ca_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_3b18a52d36196d9ddcb9942feed240ca_cryptolocker
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Size
93KB
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MD5
3b18a52d36196d9ddcb9942feed240ca
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SHA1
17f731c2a1c37c294f59b40bc5bc5988f8d7b824
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SHA256
3af1b45f8dacd2169ef666609d9447793d894b18f5bde566f36b44ada117c386
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SHA512
3b9dce7251a22520e1045579b17cc9354771fe69abb2e5d73e75e7cc08e2d840c8bd25b25580d0fdde0fc5bd84fc1519ede8073fdcf487b72d090668b7f2cfdc
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/9:zCsanOtEvwDpjB9
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 2024-02-28_3b18a52d36196d9ddcb9942feed240ca_cryptolocker
Files
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2024-02-28_3b18a52d36196d9ddcb9942feed240ca_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