Behavioral task
behavioral1
Sample
2024-06-01_a87bad482984b54c0320f4b1be55a7f8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-01_a87bad482984b54c0320f4b1be55a7f8_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-06-01_a87bad482984b54c0320f4b1be55a7f8_cryptolocker
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Size
79KB
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MD5
a87bad482984b54c0320f4b1be55a7f8
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SHA1
b3df25edb3a6f6c9ec8322c90b33f5fbbdbe6c2f
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SHA256
4a0cd8907899fb48aa4f68e25bae13fcdf97672331f2849d2bccaf44c0cdd8d0
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SHA512
29f9ae5d066ec0704ffc2a380b781a21e4dabd52dcc0434170611fa9e4d32e643ce938d9bfd7b1ad3f2161674e18b651c4d0f9fb8f85acbb90692e6a24b2db1a
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB18:T6a+rdOOtEvwDpjNtHP3
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 2024-06-01_a87bad482984b54c0320f4b1be55a7f8_cryptolocker
Files
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2024-06-01_a87bad482984b54c0320f4b1be55a7f8_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