Behavioral task
behavioral1
Sample
2024-03-08_a8615bba6ae6e2cee4b86e87d4dc59f3_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-08_a8615bba6ae6e2cee4b86e87d4dc59f3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-08_a8615bba6ae6e2cee4b86e87d4dc59f3_cryptolocker
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Size
62KB
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MD5
a8615bba6ae6e2cee4b86e87d4dc59f3
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SHA1
1b86ab3141af21834475a0fb6046ef9a9e3bf97a
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SHA256
d5b2b7c0cd08ac613724ffb50ec657e5ee43fad7e212c7b3ad7a340ccb5bfde4
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SHA512
8a73a2ac7e53846d7ac81997f57278509c7b46f9eaa5e2e790bd0b30d655ddd156c49e96139a03795713409871b64d0ad31bd59d98e3579385e86cfb1858e2e8
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVH:zj+soPSMOtEvwDpj4kpmeLmn9
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 2024-03-08_a8615bba6ae6e2cee4b86e87d4dc59f3_cryptolocker
Files
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2024-03-08_a8615bba6ae6e2cee4b86e87d4dc59f3_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