Behavioral task
behavioral1
Sample
2024-06-09_ef4750e1d226f60e26020bdcc891e689_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-06-09_ef4750e1d226f60e26020bdcc891e689_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-09_ef4750e1d226f60e26020bdcc891e689_cryptolocker
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Size
81KB
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MD5
ef4750e1d226f60e26020bdcc891e689
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SHA1
662b9332eeabf8c8b3d6415cd62f5810b4cc44e7
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SHA256
11129f6f344083f365ead1af991512864aecf9a1145e2f910405310f72a28e90
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SHA512
8af099930a3944794f3bedd26cb3f96f601c813cd6efeba47b0a026c5db24e33978d1496f3337bca84da1aade977a798bcb5d1f3afc66ef027da38d5e1a07edb
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QiX:zCsanOtEvwDpjM
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 2024-06-09_ef4750e1d226f60e26020bdcc891e689_cryptolocker
Files
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2024-06-09_ef4750e1d226f60e26020bdcc891e689_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