Behavioral task
behavioral1
Sample
2024-01-25_81caf8767ab8bcff413d970475806660_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_81caf8767ab8bcff413d970475806660_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_81caf8767ab8bcff413d970475806660_cryptolocker
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Size
116KB
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MD5
81caf8767ab8bcff413d970475806660
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SHA1
a9e8770076e7d67653efc52fae00b4e2d2055e98
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SHA256
6871f294332b3e0e0c8fb66a52eebe975c852c3327a47629d415050ed9069aa6
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SHA512
7a10583919866b66a9fd09b1a60c79fc77b28d4ba84fe8f41fe7c3977f7782ee8da74daf4935573f5e77ef208a47c4db6dab432e857886e6a61c94332af54ca0
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01kQK:z6a+CdOOtEvwDpjczW
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_81caf8767ab8bcff413d970475806660_cryptolocker
Files
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2024-01-25_81caf8767ab8bcff413d970475806660_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