Behavioral task
behavioral1
Sample
2024-04-05_a7c454c528ef5e9766099e4f7547d351_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-05_a7c454c528ef5e9766099e4f7547d351_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-05_a7c454c528ef5e9766099e4f7547d351_cryptolocker
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Size
83KB
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MD5
a7c454c528ef5e9766099e4f7547d351
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SHA1
bd2e3177da887395b88c440299207202c9b1485c
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SHA256
c3b296a091e8578120dd3d0c6e1b6f512277aef201a5f80ab5874258172ee4b9
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SHA512
c277a921a0242dc812255b15f394e51dc1102584691f8c295c26935266ba731464fae3abdaf819c30ae8e7aebfada4a94c6ebd45fe9ae04b3b6ce3a5385ac5c2
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7O:T6a+rdOOtEvwDpjN6
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 2024-04-05_a7c454c528ef5e9766099e4f7547d351_cryptolocker
Files
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2024-04-05_a7c454c528ef5e9766099e4f7547d351_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_CODE
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