Behavioral task
behavioral1
Sample
2024-01-28_a4ff42ff72abf7e7adcfe39060a7646e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_a4ff42ff72abf7e7adcfe39060a7646e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_a4ff42ff72abf7e7adcfe39060a7646e_cryptolocker
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Size
73KB
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MD5
a4ff42ff72abf7e7adcfe39060a7646e
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SHA1
f7d096bd8840a27f6c655a4518c335ceb823de30
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SHA256
eba5dd127cc4c5adf1531da297b1d83c9fbab0edfedec86a79e7908bd24c2f9b
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SHA512
e85bdc02c0966d8aa5e4e169730c3ae95451cb44546b8fd6ef8b74bceadec6a0509818700f6f6f0747e989447d566c8623d7c35a91c65f43e17cd5c3a5199b14
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUx4U:T6a+rdOOtEvwDpjNtHP8
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 2024-01-28_a4ff42ff72abf7e7adcfe39060a7646e_cryptolocker
Files
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2024-01-28_a4ff42ff72abf7e7adcfe39060a7646e_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