Behavioral task
behavioral1
Sample
2024-02-03_b59bd7c29465570984a93b4d4863f5b5_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_b59bd7c29465570984a93b4d4863f5b5_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_b59bd7c29465570984a93b4d4863f5b5_cryptolocker
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Size
62KB
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MD5
b59bd7c29465570984a93b4d4863f5b5
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SHA1
1ecb02f7bab838c3d2f8be78c51bcef1e2a28e81
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SHA256
317f70c22727fef6a09fedfc04b47b0b0f9d8a896b7b288926be1359cc745801
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SHA512
e79cd33cb81bb9eba4a60b62568f97ad28b9f5c82bbad926ae700336ed8a5ad71309b8213edc893025829d91da823257cd0fa27538e9273287b0700baa1293e1
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gkum/kLyMro2GtOOtEvwDpjhXMLamkc8J5hRXr:T6QFElP6n+gxmddpMOtEvwDpjwa3nr
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 2024-02-03_b59bd7c29465570984a93b4d4863f5b5_cryptolocker
Files
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2024-02-03_b59bd7c29465570984a93b4d4863f5b5_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