Behavioral task
behavioral1
Sample
2024-02-25_a42f6797859e739528641885915aa368_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-25_a42f6797859e739528641885915aa368_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-25_a42f6797859e739528641885915aa368_cryptolocker
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Size
109KB
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MD5
a42f6797859e739528641885915aa368
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SHA1
55236b465f86cd2ff4e992a222518bb9cf90f679
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SHA256
caaf0018b35a64ed9446a3c51ce734b23ee54b1a07fd34e4787f447bc0d8370e
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SHA512
f0b24e13d1ecc585bfe1eee9664157ce7d31618132a8597370d340ab11539b92e5162c49ddeee61cc8c6d752c9a2ff5c8d72da32484950ec6a79e90e0ba65e76
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMghJOY:z6a+CdOOtEvwDpjczR
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 2024-02-25_a42f6797859e739528641885915aa368_cryptolocker
Files
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2024-02-25_a42f6797859e739528641885915aa368_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