Behavioral task
behavioral1
Sample
2024-02-04_711ba9c5b8068ae8f5484dba5479f1d3_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_711ba9c5b8068ae8f5484dba5479f1d3_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-04_711ba9c5b8068ae8f5484dba5479f1d3_cryptolocker
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Size
67KB
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MD5
711ba9c5b8068ae8f5484dba5479f1d3
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SHA1
87e567ab4cc451e5c2507d6edee4745efeee011e
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SHA256
0741fbfb9e31bf53b6a6f07241f9553f90cf9590b729d1fd9f6e95067268d67c
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SHA512
deb69ee9a87475c07b5aebfce2a60392acc8328817234c29073aebb904d34fa8a4851b7bd94430e08b1b63c353f79c3d97e58f15c38c48ed6bd09ef42497ef54
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeB9:z6a+CdOOtEvwDpjQf
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 2024-02-04_711ba9c5b8068ae8f5484dba5479f1d3_cryptolocker
Files
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2024-02-04_711ba9c5b8068ae8f5484dba5479f1d3_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