Behavioral task
behavioral1
Sample
2024-03-16_87b57f815c5e385ff6b44242a36bb281_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-16_87b57f815c5e385ff6b44242a36bb281_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-16_87b57f815c5e385ff6b44242a36bb281_cryptolocker
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Size
114KB
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MD5
87b57f815c5e385ff6b44242a36bb281
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SHA1
5627bb1d196bdb66d34eee93b4b4da071ca77cf6
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SHA256
bc29fe724723db741646a203c650e43aa686e909a169dbfd361d681a856814e5
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SHA512
55d75d5544cd9a9b3e13f5623b850568a266820057f0b044822ed1d3eb538f67bbcab7fe9a57f7183cad4fda364c4371796d17dd8ca5830f929dbc6e52f08e70
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01M:z6a+CdOOtEvwDpjcz6
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 2024-03-16_87b57f815c5e385ff6b44242a36bb281_cryptolocker
Files
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2024-03-16_87b57f815c5e385ff6b44242a36bb281_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