Behavioral task
behavioral1
Sample
2024-05-24_a34ec1fd92be243be852bd16c9762ddb_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-24_a34ec1fd92be243be852bd16c9762ddb_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-24_a34ec1fd92be243be852bd16c9762ddb_cryptolocker
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Size
57KB
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MD5
a34ec1fd92be243be852bd16c9762ddb
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SHA1
445d3e57c186428e5d26ece1b88b7caa345d71d3
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SHA256
44d886873c6f79980b2226c7a78d79221093b5144d7b0a9c6db7a44a9ee1a42a
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SHA512
8d9d02f9036fca337830c0d74495fd71a595a5269f01d3b675f3f5144b7a6acb3f12f84e6e40ebfdf43965fccfd79b39c80234868af9c856ce55a41b0824ddc3
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlgzw:bP9g/xtCS3Dxx0nw
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-24_a34ec1fd92be243be852bd16c9762ddb_cryptolocker
Files
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2024-05-24_a34ec1fd92be243be852bd16c9762ddb_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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