Behavioral task
behavioral1
Sample
2024-05-13_4d8df536b3cdb3a267d48adf41d5d965_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-13_4d8df536b3cdb3a267d48adf41d5d965_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-13_4d8df536b3cdb3a267d48adf41d5d965_cryptolocker
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Size
56KB
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MD5
4d8df536b3cdb3a267d48adf41d5d965
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SHA1
979214ee7a7bdac2f56eaa51175d11235895b52c
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SHA256
90b16cf8a2a9486fb1943285a7401e337ff62c15ceffe853da9808b6bab7f94b
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SHA512
b17d044e8ce68bc166ed745a03d4bca9eca694229e61b3e9c918755bce552814c056600bb088c1ad4df5e64e176fae2689d7c914ad0004690a3ef0a8cfee198e
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjls:bP9g/xtCS3Dxx0n
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-13_4d8df536b3cdb3a267d48adf41d5d965_cryptolocker
Files
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2024-05-13_4d8df536b3cdb3a267d48adf41d5d965_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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