Behavioral task
behavioral1
Sample
2024-05-03_efc805f8ad90dc59163c9fa7c335e156_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-03_efc805f8ad90dc59163c9fa7c335e156_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-03_efc805f8ad90dc59163c9fa7c335e156_cryptolocker
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Size
89KB
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MD5
efc805f8ad90dc59163c9fa7c335e156
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SHA1
22802f3bfca0fd6c681ec4ad3dbccb24aa952a2b
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SHA256
5ddccdf2afe932b1aa2d9b66ffa2c11197808e8eb63c3b45083c198c67b8a89e
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SHA512
9d0845780f776949acd45cfbed1ced432454f61beceff40ea9b8134fef448af7bfdf4ebe2f64d2d2966ba160e2eaabf5cde633e147917bfe442ad28f81c724cb
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAP:n6a+1SEOtEvwDpjYYvQd2PP
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 2024-05-03_efc805f8ad90dc59163c9fa7c335e156_cryptolocker
Files
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2024-05-03_efc805f8ad90dc59163c9fa7c335e156_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