Behavioral task
behavioral1
Sample
2024-05-24_31d6856192686ef1ddf3ff62d8fba636_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-24_31d6856192686ef1ddf3ff62d8fba636_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-24_31d6856192686ef1ddf3ff62d8fba636_cryptolocker
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Size
85KB
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MD5
31d6856192686ef1ddf3ff62d8fba636
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SHA1
33b79fbf8a5a8a1cbb8b7c5d1b7cddcd2c7d4a85
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SHA256
42352b96a344d84e570bd947a3743dc0e20a49ae2f2475740e4c70eeca1d3928
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SHA512
eaf1801b941bd0567c76b20da10a6af3a33b731daf747fa483c5e534527dfaff9e09061dc3ce56f0e1fc908ffc27b40a1b8170a322cc8dccfa76018b93717a2e
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5z:T6a+rdOOtEvwDpjNg
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 2024-05-24_31d6856192686ef1ddf3ff62d8fba636_cryptolocker
Files
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2024-05-24_31d6856192686ef1ddf3ff62d8fba636_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