Behavioral task
behavioral1
Sample
2024-03-15_85e7b4d503dda6f3728955f7f75c735e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-15_85e7b4d503dda6f3728955f7f75c735e_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-15_85e7b4d503dda6f3728955f7f75c735e_cryptolocker
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Size
67KB
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MD5
85e7b4d503dda6f3728955f7f75c735e
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SHA1
1a3a3a31fd18b900e935c34413cf154b773cde54
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SHA256
4385c2660c9a1a7073b8d5d16c808a2794bcc04175521825b05412f5f7bb6171
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SHA512
84189ec1251667a6a6c8fd40b3da81a86445dc60d236cd83d46d8db5244919e714ef7ac41bad6765c043d3ad006896151ff5de111ef4188573b0a2e4ef516822
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBr:z6a+CdOOtEvwDpjQ5
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 2024-03-15_85e7b4d503dda6f3728955f7f75c735e_cryptolocker
Files
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2024-03-15_85e7b4d503dda6f3728955f7f75c735e_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_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