Behavioral task
behavioral1
Sample
2024-04-10_a1d9cf93fc4447f867dd41047fa5eefe_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-10_a1d9cf93fc4447f867dd41047fa5eefe_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-10_a1d9cf93fc4447f867dd41047fa5eefe_cryptolocker
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Size
84KB
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MD5
a1d9cf93fc4447f867dd41047fa5eefe
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SHA1
db56fbe95f1833d503b4f2478a0022d4e2e4a4e3
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SHA256
643b5dfeb34adaca0aaeb0e6a27347daf2bc372347477034c1dbba1198f9ed9e
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SHA512
211858ed46475f4f50bb77aef3e6e44b8eed984a53001f6b417ddeec55e7d5d5501729b536e57361afee3af0c4252bde7cded1c442ef611f225f119bd13a5ca0
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5R6:T6a+rdOOtEvwDpjNT
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_a1d9cf93fc4447f867dd41047fa5eefe_cryptolocker
Files
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2024-04-10_a1d9cf93fc4447f867dd41047fa5eefe_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