Behavioral task
behavioral1
Sample
2024-03-09_4efe9ecd1147d9fdebd2e9810290c85e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-09_4efe9ecd1147d9fdebd2e9810290c85e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-09_4efe9ecd1147d9fdebd2e9810290c85e_cryptolocker
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Size
62KB
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MD5
4efe9ecd1147d9fdebd2e9810290c85e
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SHA1
ff5e7d683d9ca271def08d62a723dab149261efe
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SHA256
bdf3fdfbbf49764eea7428038daa4ab20df5cd432d173d06e06e384d22fea356
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SHA512
66e23049026abc6c65408e1a9c701c9d2b22daf502517288eff3b920bbf39c8d7531601be00e637ebf73bbbcef7afea1bafef6d7f899f61615178eee4d827e07
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gkum/kLyMro2GtOOtEvwDpjhXMLamkc8J59+wI:T6QFElP6n+gxmddpMOtEvwDpjwa397I
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 2024-03-09_4efe9ecd1147d9fdebd2e9810290c85e_cryptolocker
Files
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2024-03-09_4efe9ecd1147d9fdebd2e9810290c85e_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