Behavioral task
behavioral1
Sample
2024-04-23_89fdfd72f4251dcdb3ecdf55af827aef_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-23_89fdfd72f4251dcdb3ecdf55af827aef_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_89fdfd72f4251dcdb3ecdf55af827aef_cryptolocker
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Size
64KB
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MD5
89fdfd72f4251dcdb3ecdf55af827aef
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SHA1
5337b1c8cb807a2ff6bfee348ac66d96ff9d897b
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SHA256
bd87a0f5daf5ee62aedefaaa9bf58c9747f80630d74768b8c9c2343dc33dbc1d
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SHA512
b703fe115618cae90751674fdc6ff4e9465f3783618171bcdab5cd487fb85c959307f082ed3cb15b1b04fa5efdae25daadf2d6ecf236c012dc807f2eb89f6426
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xDyK:1nK6a+qdOOtEvwDpjN
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 2024-04-23_89fdfd72f4251dcdb3ecdf55af827aef_cryptolocker
Files
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2024-04-23_89fdfd72f4251dcdb3ecdf55af827aef_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE