Behavioral task
behavioral1
Sample
2024-02-12_ef9d94c5994fd403b5df091e2bffde0f_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_ef9d94c5994fd403b5df091e2bffde0f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_ef9d94c5994fd403b5df091e2bffde0f_cryptolocker
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Size
116KB
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MD5
ef9d94c5994fd403b5df091e2bffde0f
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SHA1
5a068d0f62746d15bcdb3e1aa74472cf78cedbf6
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SHA256
c0046eacc19a914dddd383769376bcb24b0596705d3fb5bd97cc6d2b70f39da3
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SHA512
3cedb17db2575c2e223dd7b170f0e8ea8a824f611675075d51f99b7b09bfb05d387d22332a7b6c4189515f4ff37470a49fbbb7628f9b1e7e511cadef05c556c3
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01q:z6a+CdOOtEvwDpjczc
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 2024-02-12_ef9d94c5994fd403b5df091e2bffde0f_cryptolocker
Files
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2024-02-12_ef9d94c5994fd403b5df091e2bffde0f_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_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