Behavioral task
behavioral1
Sample
2024-04-16_4b7efd335bde4a7a046b46fa00a953f8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-16_4b7efd335bde4a7a046b46fa00a953f8_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-16_4b7efd335bde4a7a046b46fa00a953f8_cryptolocker
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Size
83KB
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MD5
4b7efd335bde4a7a046b46fa00a953f8
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SHA1
b1205934df24fc6fddd0d3d999b669831c2a4cfa
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SHA256
8da9584ba34e1e2cd7bc1cea67cacd2eb2657d28237ef49644149efdee669a09
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SHA512
ad97816fb5815eef1c402a63e138a5e0019c8fbea79ff32a74a71546cc66fa9b083cac968b0e4c77f3ed00aaafabc77874b34ce313e85b9c85aae564ece01cc1
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vMjU:T6a+rdOOtEvwDpjNd
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 2024-04-16_4b7efd335bde4a7a046b46fa00a953f8_cryptolocker
Files
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2024-04-16_4b7efd335bde4a7a046b46fa00a953f8_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