Behavioral task
behavioral1
Sample
2024-02-22_91e6a0ccea8c379fb357a34a627cf495_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_91e6a0ccea8c379fb357a34a627cf495_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_91e6a0ccea8c379fb357a34a627cf495_cryptolocker
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Size
91KB
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MD5
91e6a0ccea8c379fb357a34a627cf495
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SHA1
3a80056ca84f8eb9eb387452af2f57de2340a7ca
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SHA256
74edcd957fbe82ec9168c4d6dbc827f1536a95e2d9404b8ee3fef368e9fade23
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SHA512
afb82cb185e098993686f8406da80586eba56449fc1eab507ebcd13f4e0a05123e6909f5d3766f2e415e21dd1cccf169211479f615c55aada043001023407cd1
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy87UvTK:zCsanOtEvwDpjL
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 2024-02-22_91e6a0ccea8c379fb357a34a627cf495_cryptolocker
Files
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2024-02-22_91e6a0ccea8c379fb357a34a627cf495_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