Behavioral task
behavioral1
Sample
2024-02-20_c103775d617c75617ca1bd12f5a740cf_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-02-20_c103775d617c75617ca1bd12f5a740cf_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-20_c103775d617c75617ca1bd12f5a740cf_cryptolocker
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Size
80KB
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MD5
c103775d617c75617ca1bd12f5a740cf
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SHA1
e174c3c30381643b33922f4f60b64e1148426d9d
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SHA256
1ef29b5a54009aa6950b577504d9496b2dfe8381b14c5da578c17272852363f9
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SHA512
510525b6526c43651251b38f0be647ad10b7a37973d50728153c41aa40251c8d333ed549cade10dcbc9571a221c16370f7d69aa91078020a7506b529b691aa3c
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd0iU:T6a+rdOOtEvwDpjNtm
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 2024-02-20_c103775d617c75617ca1bd12f5a740cf_cryptolocker
Files
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2024-02-20_c103775d617c75617ca1bd12f5a740cf_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