Behavioral task
behavioral1
Sample
2024-04-10_3da957decd0e2b8c7d986c36e1d04ce8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-10_3da957decd0e2b8c7d986c36e1d04ce8_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-10_3da957decd0e2b8c7d986c36e1d04ce8_cryptolocker
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Size
118KB
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MD5
3da957decd0e2b8c7d986c36e1d04ce8
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SHA1
8ba68ed37f2fe86484dca530389b469ba6b97124
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SHA256
e48f5d8d853bec79a2bcb85c17ff549608f4ebd4260958f01eb877db7c207e7f
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SHA512
d5aa79ae573f6b4237a6a36c285f11fcb68cb647e190d41c383b612d0c3dcb4027eb4399e89e5bb194e6dc39438c877348e876abbf112e035d10b82f9fcdea76
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01ZNl:z6a+CdOOtEvwDpjczD
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_3da957decd0e2b8c7d986c36e1d04ce8_cryptolocker
Files
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2024-04-10_3da957decd0e2b8c7d986c36e1d04ce8_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