Behavioral task
behavioral1
Sample
2024-01-18_23a51231a7b9dc33969599584c3e8db7_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-18_23a51231a7b9dc33969599584c3e8db7_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-18_23a51231a7b9dc33969599584c3e8db7_cryptolocker
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Size
62KB
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MD5
23a51231a7b9dc33969599584c3e8db7
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SHA1
da91a8f95add949a56e76c7f6b8f9aa5380fc317
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SHA256
ed773d874b95b5a75833430f60b1cb5b3cc739a743ce8ae8a2127373602df6df
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SHA512
278281407fe649bb2d7f4a8088357861df07487018530269987f1a31533687f8bc41f739ec47ff5d530cd0681fb26bff3e43f8179fbe675136211fed52518586
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVVL8f:zj+soPSMOtEvwDpj4kpmeLmnn+
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 2024-01-18_23a51231a7b9dc33969599584c3e8db7_cryptolocker
Files
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2024-01-18_23a51231a7b9dc33969599584c3e8db7_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