Behavioral task
behavioral1
Sample
2024-01-23_31f7596108de25555f658f26ea3489e9_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_31f7596108de25555f658f26ea3489e9_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_31f7596108de25555f658f26ea3489e9_cryptolocker
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Size
114KB
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MD5
31f7596108de25555f658f26ea3489e9
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SHA1
144d4e3fc51caf97203a2d56f8d3f0d9a9743a29
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SHA256
7b531da8cb851ecef0d5070eff94a36aa7c047fb9ce74dcc0acea8c3a49ce037
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SHA512
c50426aaa21c0dd52afcdfec01a4ec61b33f3f7392938d9fb422c2f304511233eb87acd42bd552e0e8d2adf65e0840a8ebb4cab1170065c247b54850d82737d0
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp018:z6a+CdOOtEvwDpjczK
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 2024-01-23_31f7596108de25555f658f26ea3489e9_cryptolocker
Files
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2024-01-23_31f7596108de25555f658f26ea3489e9_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