Behavioral task
behavioral1
Sample
2024-05-10_ffd436bd996ea89ad71c5128b0e60b9e_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-10_ffd436bd996ea89ad71c5128b0e60b9e_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-10_ffd436bd996ea89ad71c5128b0e60b9e_cryptolocker
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Size
41KB
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MD5
ffd436bd996ea89ad71c5128b0e60b9e
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SHA1
de3a1dd81c390f481c15e2260bdf435c081219ab
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SHA256
54e4da4663af36bb3b2ba17014aab4bdf40aa6d38eaff3789d818e71ccbf4111
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SHA512
9d5782a1d32fc185033acd2e374eb0fab8aedd585de36d2b8d0c4ee8d0e274fbf77cde4e52e1de3792e1841ede5bc56ecc4d4a600dd73229ac21fcab886b8df7
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHTE8:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKo8
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 2024-05-10_ffd436bd996ea89ad71c5128b0e60b9e_cryptolocker
Files
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2024-05-10_ffd436bd996ea89ad71c5128b0e60b9e_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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