Behavioral task
behavioral1
Sample
2024-03-18_3968aa3e237445a54e14fb01b7a2e233_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-18_3968aa3e237445a54e14fb01b7a2e233_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-18_3968aa3e237445a54e14fb01b7a2e233_cryptolocker
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Size
71KB
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MD5
3968aa3e237445a54e14fb01b7a2e233
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SHA1
5aa2c998d96077d6ede11ee6c52bd2e59c982a34
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SHA256
f8fa71e42274d99a7d54f2c29e4b2f364842ab0dffb55565a6b9e99d0114500b
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SHA512
7bfa504652dc60f6ff7c9b351462d2d68814342ebce3096bd814e7e49d1f078786583ab2ddfe9b10491e3b38513dbaff857234fb78a0a484131d194cfeb5567c
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBh:z6a+CdOOtEvwDpjQj
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 2024-03-18_3968aa3e237445a54e14fb01b7a2e233_cryptolocker
Files
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2024-03-18_3968aa3e237445a54e14fb01b7a2e233_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