Behavioral task
behavioral1
Sample
2024-04-20_fffd10f8bf785f31221cb16100cb6976_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-20_fffd10f8bf785f31221cb16100cb6976_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-20_fffd10f8bf785f31221cb16100cb6976_cryptolocker
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Size
89KB
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MD5
fffd10f8bf785f31221cb16100cb6976
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SHA1
51910936414e26019a971f4f9a46f20934df6e34
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SHA256
da15eaef48649579c2ccbf4da244e8e3b6fc3eef2d4fb9b70377f57094bcdd8c
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SHA512
f55e042ab104d855fe382f33cd3a2b25d92315f2fa68df09dbadf7a41afbff3ebfa871abb4dfdbbb81b5c01fd4704becac4f37fe076d1693974edcb5dc5540ce
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAAC:n6a+1SEOtEvwDpjYYvQd2Ph
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 2024-04-20_fffd10f8bf785f31221cb16100cb6976_cryptolocker
Files
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2024-04-20_fffd10f8bf785f31221cb16100cb6976_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: 11KB - 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