Behavioral task
behavioral1
Sample
2024-04-11_28c2930e01a0dea3e2e600039c0bfafb_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-11_28c2930e01a0dea3e2e600039c0bfafb_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-11_28c2930e01a0dea3e2e600039c0bfafb_cryptolocker
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Size
65KB
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MD5
28c2930e01a0dea3e2e600039c0bfafb
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SHA1
1c4a696f2ee2a38aa832ed809dec16ae7e4b3f24
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SHA256
b22ddaf8d3ac239ae897492e3c25e837103affc1f3105b9a6cc53e79b663d475
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SHA512
646de0bc42aaab35215ccd35be21b5b5c94ed097e32c77ad0444662ef98e8163a00ed14b8ae3748e3cc04b07dd98282e5a0bd1f1856ea89ac5cb97a9c60cf59d
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kJ7AKU:zj+soPSMOtEvwDpj4kpmeLmQlAD
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 2024-04-11_28c2930e01a0dea3e2e600039c0bfafb_cryptolocker
Files
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2024-04-11_28c2930e01a0dea3e2e600039c0bfafb_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