Behavioral task
behavioral1
Sample
2024-06-05_83f44bd69baf4760b25d02ef4804b8cb_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-06-05_83f44bd69baf4760b25d02ef4804b8cb_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-05_83f44bd69baf4760b25d02ef4804b8cb_cryptolocker
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Size
90KB
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MD5
83f44bd69baf4760b25d02ef4804b8cb
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SHA1
985e727b5eb60dc96d177509db97bed49f4a9df4
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SHA256
45c8ba7c5f2a029c76d09297159cd34f8f3083a6534fc6d8c8983739358f73f2
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SHA512
8cdca336b706543292139b8817db1ede58b856ed65691b952a88a66526194542cc43a7d0622159c2d34d0f27a8a319a1b4d1530e7ff180fff1406cf4643fe5b6
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAyU:n6a+1SEOtEvwDpjYYvQd2Pd
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 2024-06-05_83f44bd69baf4760b25d02ef4804b8cb_cryptolocker
Files
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2024-06-05_83f44bd69baf4760b25d02ef4804b8cb_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