Behavioral task
behavioral1
Sample
2024-04-10_903eab922b9a320de8ca1cb488fe8a31_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-10_903eab922b9a320de8ca1cb488fe8a31_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-10_903eab922b9a320de8ca1cb488fe8a31_cryptolocker
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Size
84KB
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MD5
903eab922b9a320de8ca1cb488fe8a31
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SHA1
52161f5426ffd8cbe37650ba619df0a46ce3d5a8
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SHA256
afb826baecf9aa7bd361594d2764202658487535eabc6b1cff3fabb347c0d278
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SHA512
99ebcbce2a1d146aac77a430dc69de4936fd7f3793d35e7b3c1a23b928603301a1014d94b86772aa9ea73366e0c03fd59ad2a7c9445c9fab47017f0fff5e2d0a
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5RX:T6a+rdOOtEvwDpjNW
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 2024-04-10_903eab922b9a320de8ca1cb488fe8a31_cryptolocker
Files
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2024-04-10_903eab922b9a320de8ca1cb488fe8a31_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