Behavioral task
behavioral1
Sample
2024-02-04_87f6cf3986f8745bbeb0c839b8671a25_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_87f6cf3986f8745bbeb0c839b8671a25_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-04_87f6cf3986f8745bbeb0c839b8671a25_cryptolocker
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Size
73KB
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MD5
87f6cf3986f8745bbeb0c839b8671a25
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SHA1
ca880e70754b15be428eb31fdc8b6faf8174c2a1
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SHA256
31a252aedc126f627d31e90c2e52ec6a0152efc762f3a0d874a8299abc4957ff
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SHA512
46cdfffdfd351047c9f9e6595cb4c851beb2ef75c2a42ff31868b1c88e1c194fd8e77908d0db30703a46caf37f052e1fa64323cc1985b6417b4325f2cb3477c1
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxf:T6a+rdOOtEvwDpjNtHPY
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 2024-02-04_87f6cf3986f8745bbeb0c839b8671a25_cryptolocker
Files
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2024-02-04_87f6cf3986f8745bbeb0c839b8671a25_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