Behavioral task
behavioral1
Sample
2024-02-19_a38d97deacf87e85138a945772d09eb5_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_a38d97deacf87e85138a945772d09eb5_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-19_a38d97deacf87e85138a945772d09eb5_cryptolocker
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Size
57KB
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MD5
a38d97deacf87e85138a945772d09eb5
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SHA1
140590c14cc1afc9c88d1e7e1d39dab65d2d1f9d
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SHA256
8daa0a308ed1878578aca2273367afae9784cb520fe9283d6733c633977bdaa3
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SHA512
af7fef780a84ab773092412876a40a01cea9ac1a29385cc89e7e130253c66c5a23cf8645cecd33e799bd4c1cada5efe61b876f82f4375a567fc5352b1c64423c
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ap7fL:z6QFElP6n+gKmddpMOtEvwDpj9aYaFfL
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 2024-02-19_a38d97deacf87e85138a945772d09eb5_cryptolocker
Files
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2024-02-19_a38d97deacf87e85138a945772d09eb5_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