Behavioral task
behavioral1
Sample
2024-03-28_2b1eb5aac3aa051b892c19e36cef6954_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-28_2b1eb5aac3aa051b892c19e36cef6954_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-28_2b1eb5aac3aa051b892c19e36cef6954_cryptolocker
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Size
64KB
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MD5
2b1eb5aac3aa051b892c19e36cef6954
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SHA1
2844730ca13726db33a838afc19e90a1adedf04a
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SHA256
09af02c8b5c949c5515b91ff3b055dbb11902fc7dfcaa0782a2a9b7295a9bde1
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SHA512
bdadda2194ac09b7726276a5678555e0bfaf2c7a90f88822589c2b288c55c5f190e2946f372778fa8a5de65e402eb9acc89a2bb1237f6d12fe816f9d02aa18ac
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUa1O:T6a+rdOOtEvwDpjNw
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 2024-03-28_2b1eb5aac3aa051b892c19e36cef6954_cryptolocker
Files
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2024-03-28_2b1eb5aac3aa051b892c19e36cef6954_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