Behavioral task
behavioral1
Sample
2024-04-16_99bd25c6e26290d13798a7cf1e203ac9_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-16_99bd25c6e26290d13798a7cf1e203ac9_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-16_99bd25c6e26290d13798a7cf1e203ac9_cryptolocker
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Size
64KB
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MD5
99bd25c6e26290d13798a7cf1e203ac9
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SHA1
208d103684304c4895280d39e6adebd1e14f3a91
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SHA256
3e9ed90450964052d7a9dad0ada1c8c385800c4cecde8aaeb581614f043c8b8a
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SHA512
ff6b80232504338c70d9271e941d6b9620f875e3b15eebdec50078f380e0487b16cb8ce48bcb41cd267941fe9237ae722576cd22d83f9bf34b2fe8918e2db043
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xDJ:1nK6a+qdOOtEvwDpjj
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 2024-04-16_99bd25c6e26290d13798a7cf1e203ac9_cryptolocker
Files
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2024-04-16_99bd25c6e26290d13798a7cf1e203ac9_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE