Behavioral task
behavioral1
Sample
2024-05-26_4e90afc9cf560cb32cc78692a7755da0_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-26_4e90afc9cf560cb32cc78692a7755da0_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-26_4e90afc9cf560cb32cc78692a7755da0_cryptolocker
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Size
90KB
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MD5
4e90afc9cf560cb32cc78692a7755da0
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SHA1
c5920037e3ef4ef42d66d53bea8295deab2a1abd
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SHA256
a58a940eb8be108b52abc89b2a6d7b20659232c0a1a269206ce55d7b4ce821dc
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SHA512
ee82ee8e3cc477941734bb87fbfbb09be79f5fa4beaa50784561e644d10b2dd5585b91ddb49013ccd560ecf5f7f926f2d27c6eb45b85009b2b868dcd55e10ba6
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAyP:n6a+1SEOtEvwDpjYYvQd2Pa
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 2024-05-26_4e90afc9cf560cb32cc78692a7755da0_cryptolocker
Files
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2024-05-26_4e90afc9cf560cb32cc78692a7755da0_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