Behavioral task
behavioral1
Sample
2024-03-28_3528fcc0bb53f7b1cfc0b509c3bc7bca_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-28_3528fcc0bb53f7b1cfc0b509c3bc7bca_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-28_3528fcc0bb53f7b1cfc0b509c3bc7bca_cryptolocker
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Size
63KB
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MD5
3528fcc0bb53f7b1cfc0b509c3bc7bca
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SHA1
f204434468ffd52c249e1f21a572765aa49e3fd7
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SHA256
ed6e9e914aeddd3cba91ef28cea07ef8d596176572b9d7f8731e28515c4f60ff
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SHA512
c12e75ff9aeff884fd94ae90cf9aa0f43bf901c98b100acf93a77d8b99133efb59b2bcac63baaed6eaee595993085e52cb79e8eacf70c5c4b10b97991cdd1757
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVwfXt:zj+soPSMOtEvwDpj4kpmeLmnwt
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_3528fcc0bb53f7b1cfc0b509c3bc7bca_cryptolocker
Files
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2024-03-28_3528fcc0bb53f7b1cfc0b509c3bc7bca_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