Behavioral task
behavioral1
Sample
2024-04-18_85f9cc5a06a7610ce9f9123ec6fca67b_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-18_85f9cc5a06a7610ce9f9123ec6fca67b_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-18_85f9cc5a06a7610ce9f9123ec6fca67b_cryptolocker
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Size
110KB
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MD5
85f9cc5a06a7610ce9f9123ec6fca67b
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SHA1
c4a792fd754b94646f90703455ee0d315c40a1bb
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SHA256
d5091aeae2d226c9c051ad1994cb512aabe39439734ca55f895e355192c42228
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SHA512
8a42e578a6491d61ab7b9f771b5154b63a45c673ea7aac20289c6d415e922d29bba5f6280400c61a67814165226b8a41c459b63e6b1a746ffe922095c1657893
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMghJOvjQ:z6a+CdOOtEvwDpjczN
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 2024-04-18_85f9cc5a06a7610ce9f9123ec6fca67b_cryptolocker
Files
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2024-04-18_85f9cc5a06a7610ce9f9123ec6fca67b_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_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