Behavioral task
behavioral1
Sample
2024-04-29_737f34bab29cf418ef2ca38016fd52c9_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-29_737f34bab29cf418ef2ca38016fd52c9_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-29_737f34bab29cf418ef2ca38016fd52c9_cryptolocker
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Size
89KB
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MD5
737f34bab29cf418ef2ca38016fd52c9
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SHA1
24cc05633c0d860e55e5c60036202e6c363c7141
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SHA256
b15a0f4aa8e28053a68d33ed1353620099403c465abad4ff2b77ccbe77e33102
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SHA512
83a51c219de11d7b0bc02d09a01e6abd95551b59ec8caa7c12359f7f7f07bc4315be3197a48941ba4ed7bcff6427425b2bb017c40d1443f32fcde84b7b087c7e
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAAg:n6a+1SEOtEvwDpjYYvQd2PH
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_737f34bab29cf418ef2ca38016fd52c9_cryptolocker
Files
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2024-04-29_737f34bab29cf418ef2ca38016fd52c9_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: 11KB - 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