Behavioral task
behavioral1
Sample
2024-03-08_b058ee4f8cf09b745729a55936a88448_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-08_b058ee4f8cf09b745729a55936a88448_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-08_b058ee4f8cf09b745729a55936a88448_cryptolocker
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Size
64KB
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MD5
b058ee4f8cf09b745729a55936a88448
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SHA1
55b4ba37a899a4983f58f9a18aaebd654ef70cbd
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SHA256
3f7ab23d7b8e4a51784cf51b973b7e9dde6359421bf02d94d2a3f68b23e0ccd9
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SHA512
2bf70d19a11c2be17421321b3b70a2e2611ee23596a4109c38b2c81cc3ddb284f6ad79f6c86a510b61a3621f1c8398f8722999bc4f789404c03b58e1a2920881
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5K7S0:zj+soPSMOtEvwDpj4kpmeLmB0
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_b058ee4f8cf09b745729a55936a88448_cryptolocker
Files
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2024-03-08_b058ee4f8cf09b745729a55936a88448_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