Behavioral task
behavioral1
Sample
2024-04-29_b4e92d0b8258eec13f94749f6531fb37_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-29_b4e92d0b8258eec13f94749f6531fb37_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-29_b4e92d0b8258eec13f94749f6531fb37_cryptolocker
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Size
77KB
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MD5
b4e92d0b8258eec13f94749f6531fb37
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SHA1
92210b79df4396491195d6e606f7053f76cf20c0
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SHA256
f1ccaa076ccf803cc5e8e3161511a3ff36c37306fe9c94df42ff00e03903b8ec
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SHA512
e30364ef12388720af975506825ebfb8d6b841b47b29b4bf257409d20f6fe981466f45eb28e310f936fb9fba5ce88f319e057b13ec0c24f393a491f429999836
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcRjx:T6a+rdOOtEvwDpjNt4
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 2024-04-29_b4e92d0b8258eec13f94749f6531fb37_cryptolocker
Files
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2024-04-29_b4e92d0b8258eec13f94749f6531fb37_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