Behavioral task
behavioral1
Sample
2024-02-24_bfc73b891f573001920b0df6cb08a622_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-24_bfc73b891f573001920b0df6cb08a622_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-24_bfc73b891f573001920b0df6cb08a622_cryptolocker
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Size
81KB
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MD5
bfc73b891f573001920b0df6cb08a622
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SHA1
eca575398c892c47b068d54699674257a01ae0bc
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SHA256
ce5739a439ec0051dc9e9fd05d213611d8c098cb5d982b1a5945703216f077ed
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SHA512
3c4a0bfbbdc9e5e1b34d607248a8af202b61fb8b80e59c5fc2bd35adcb4540426bf59d6db775a55e4275c7c03c40c361fe6712ccc7d4571243d3211f5383827f
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdeP:T6a+rdOOtEvwDpjNtG
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 2024-02-24_bfc73b891f573001920b0df6cb08a622_cryptolocker
Files
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2024-02-24_bfc73b891f573001920b0df6cb08a622_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