Behavioral task
behavioral1
Sample
2024-02-17_a21f436716e4bca81fb913a5c078d77e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-17_a21f436716e4bca81fb913a5c078d77e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-17_a21f436716e4bca81fb913a5c078d77e_cryptolocker
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Size
61KB
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MD5
a21f436716e4bca81fb913a5c078d77e
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SHA1
1a089e1ea0b6a662ecc73424c18253b7f3315ca8
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SHA256
2c9920fb946f78b5579591583f924fef0d20e342871d3367ac3840def08f6941
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SHA512
44d7f54dbddd110e41dd0b334bccceae932a54387294f47d883b275fa63a9f8e6efe3b299f260b67eaefa099afea8eae932868c7f8034d39145a9ea6a60ffc1d
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVPS:zj+soPSMOtEvwDpj4kpmeLmnk
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 2024-02-17_a21f436716e4bca81fb913a5c078d77e_cryptolocker
Files
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2024-02-17_a21f436716e4bca81fb913a5c078d77e_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