Behavioral task
behavioral1
Sample
2024-02-20_621c65ae15ebbc0b556e2ca90a7ba175_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-02-20_621c65ae15ebbc0b556e2ca90a7ba175_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-20_621c65ae15ebbc0b556e2ca90a7ba175_cryptolocker
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Size
63KB
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MD5
621c65ae15ebbc0b556e2ca90a7ba175
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SHA1
cbc8a9b59df207390027e80af8b759ff9e82378e
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SHA256
8709a725d39a5961c9f9539ebe92a8f463f6866c57956aa373ff25f48043463d
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SHA512
cef8175707f491343a5c334cebc31483eb436374f0422b704815aadc43cc4099d07cc73cc459e0deba4ef809ddc482838733a8a31b3219167a0927d81af6a736
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k+:zj+soPSMOtEvwDpj4kpmeLmQ+
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 2024-02-20_621c65ae15ebbc0b556e2ca90a7ba175_cryptolocker
Files
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2024-02-20_621c65ae15ebbc0b556e2ca90a7ba175_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