Behavioral task
behavioral1
Sample
2024-02-12_1b553dd66edc61968555fcefeab7754d_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_1b553dd66edc61968555fcefeab7754d_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-12_1b553dd66edc61968555fcefeab7754d_cryptolocker
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Size
116KB
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MD5
1b553dd66edc61968555fcefeab7754d
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SHA1
9dca47adcfbbd254a31fc934748375ef994e28ad
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SHA256
52714e70ce69195ff89d309a87e5ad2c684674ec019eb9ebf156fda82c4bcf30
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SHA512
781b7397b555766aeabeaf4a42bb413f62faf9998c7018de2db52a1229bd2d69f0c5d5c095ed78d439e71d3cbbada077665148049c5dabe1fb45443d986d0fab
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01c:z6a+CdOOtEvwDpjcza
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 2024-02-12_1b553dd66edc61968555fcefeab7754d_cryptolocker
Files
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2024-02-12_1b553dd66edc61968555fcefeab7754d_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