Behavioral task
behavioral1
Sample
2024-01-23_b23523371156f6abdc001ce0fcf38658_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_b23523371156f6abdc001ce0fcf38658_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-23_b23523371156f6abdc001ce0fcf38658_cryptolocker
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Size
64KB
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MD5
b23523371156f6abdc001ce0fcf38658
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SHA1
da7455362d41a04ceeb140226b246211b87f890d
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SHA256
8d86ee76c3b124699d3bd1024e919abbbbad3df2c4de70f457372ad86c5ba40e
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SHA512
0cd82b7c9527f8fdec8eb72083d7d87ce2cec96b01c9edc1edc876675bf55fb6d61c9d4ab5c00f24daafcaa4d154b99ae6a187967f8a7e6a520b75fbe7d24c98
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+g0eum/kLyMro2GtOOtEvwDpjh:T6QFElP6n+g03mddpMOtEvwDpj
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 2024-01-23_b23523371156f6abdc001ce0fcf38658_cryptolocker
Files
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2024-01-23_b23523371156f6abdc001ce0fcf38658_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_CODE
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