Behavioral task
behavioral1
Sample
2024-01-25_636b5a7caa04f1f53b21eaaa414885b7_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_636b5a7caa04f1f53b21eaaa414885b7_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_636b5a7caa04f1f53b21eaaa414885b7_cryptolocker
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Size
116KB
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MD5
636b5a7caa04f1f53b21eaaa414885b7
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SHA1
51b5485aa2cac2bba9d202e42cce6fd2ec145b3c
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SHA256
dfcc476409161e1d5c711fdb5119e5e3e3fb4e98113e747fc9ef23c25e664d7a
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SHA512
f6cac0394323567e01942d2c410aea0e0cb48a030b90c682b3b878fd09c445b6c41354bbc7628c0f74bbf5249021961015311be436498eb11dd7c8f35b863a0a
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01kQq:z6a+CdOOtEvwDpjczm
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 2024-01-25_636b5a7caa04f1f53b21eaaa414885b7_cryptolocker
Files
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2024-01-25_636b5a7caa04f1f53b21eaaa414885b7_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