Behavioral task
behavioral1
Sample
2024-04-04_1676c32a28e83ab6d1ae851cfcb5fbda_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-04_1676c32a28e83ab6d1ae851cfcb5fbda_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-04_1676c32a28e83ab6d1ae851cfcb5fbda_cryptolocker
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Size
81KB
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MD5
1676c32a28e83ab6d1ae851cfcb5fbda
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SHA1
75733a483e3f1d3bab95c65eda76abf2bef5cf19
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SHA256
591ed907c1841937f122339d20290203d7d95e6c4dbc9af5b905dbc376df1001
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SHA512
b6fdadd7f62f350da1cdd132be5afcd1ac5fa1e086f8a064dd95ebd0e8bcc1a8c727c0c9648407a418353659ad3ae5752d4a98f7c623e9c8ad4d50afc82e4d22
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1d:zCsanOtEvwDpj3
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 2024-04-04_1676c32a28e83ab6d1ae851cfcb5fbda_cryptolocker
Files
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2024-04-04_1676c32a28e83ab6d1ae851cfcb5fbda_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