Behavioral task
behavioral1
Sample
2024-04-09_58a76344a8aa53c1012678b70b2fe8b1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_58a76344a8aa53c1012678b70b2fe8b1_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-09_58a76344a8aa53c1012678b70b2fe8b1_cryptolocker
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Size
119KB
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MD5
58a76344a8aa53c1012678b70b2fe8b1
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SHA1
81d6ff4a51fec0e2951eef8b985fc64f388d3275
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SHA256
a8b6f25eecadd1dca72b3b4cfae813a3dc787a601d65888319722706f7ecbad5
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SHA512
cc9875f1c11d2495a7278e9400e733e34c918eb7cd086db8d7af6f2a737a2f8f65eeadff8c0f499ec80a7e01f0bc1be7aa09435f40219c906f30652b42867e28
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01X:z6a+CdOOtEvwDpjcz1
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 2024-04-09_58a76344a8aa53c1012678b70b2fe8b1_cryptolocker
Files
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2024-04-09_58a76344a8aa53c1012678b70b2fe8b1_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: 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