Behavioral task
behavioral1
Sample
2024-03-11_a87f57f94a4ac0b0d53535759517adc7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-11_a87f57f94a4ac0b0d53535759517adc7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-11_a87f57f94a4ac0b0d53535759517adc7_cryptolocker
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Size
79KB
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MD5
a87f57f94a4ac0b0d53535759517adc7
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SHA1
f52b3e0567b28a39186281ae11848b54b193e353
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SHA256
545a8addb65eeb2c9d3a66347c2f1008b7a9e633768c81c3ed5c25ee36aedd94
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SHA512
9deed38b12f7e5b8e2c70d61bc6a9d16192c4b3ce0c54d27067a94d2b592cfab11fdb0d4ae661919b83bc08c984a23eb0d096ec600306c15e45bd185fc277e54
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7pBlqrr1HBJooSeKzu1adyBG:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kys
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 2024-03-11_a87f57f94a4ac0b0d53535759517adc7_cryptolocker
Files
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2024-03-11_a87f57f94a4ac0b0d53535759517adc7_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