Behavioral task
behavioral1
Sample
2024-03-05_ef7d748cd325f2eeb92ee2ead8bf6183_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-05_ef7d748cd325f2eeb92ee2ead8bf6183_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-05_ef7d748cd325f2eeb92ee2ead8bf6183_cryptolocker
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Size
83KB
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MD5
ef7d748cd325f2eeb92ee2ead8bf6183
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SHA1
972d2c0cff0f3152b6e2d30814f588dc87650eb4
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SHA256
25220d842204c86730abea2198441f41bf15ccc373ddffbab23c714018bc1677
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SHA512
bc9c34fd61ea0951faf0e59796ac728f43457f761783a4b45504cebab616a11567365de193c36d9cc00ca91e11db20dee95e66972634720a643484b25894ec03
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1nmj:zCsanOtEvwDpjG
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 2024-03-05_ef7d748cd325f2eeb92ee2ead8bf6183_cryptolocker
Files
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2024-03-05_ef7d748cd325f2eeb92ee2ead8bf6183_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