Behavioral task
behavioral1
Sample
2024-02-18_64a5f5e77523b29c6c362e2593d95a00_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-18_64a5f5e77523b29c6c362e2593d95a00_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-18_64a5f5e77523b29c6c362e2593d95a00_cryptolocker
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Size
64KB
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MD5
64a5f5e77523b29c6c362e2593d95a00
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SHA1
391c3681cfb0525002ffdeff3d746c375f1eba01
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SHA256
b7cf11cf46ccef21d5fa7d6688aca321fa4310c5a174181adcee766bc0fe4b16
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SHA512
04840af34268e22a1320f2e9a5b6bede717a36715ae8758612a26c37055789a63e1c91d76ffa1d15443ceeac64b2cfeb21550cd4bc5181d29d20ca5dfeb50c21
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k544:zj+soPSMOtEvwDpj4kpmeLmQ5H
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 2024-02-18_64a5f5e77523b29c6c362e2593d95a00_cryptolocker
Files
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2024-02-18_64a5f5e77523b29c6c362e2593d95a00_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