Behavioral task
behavioral1
Sample
2024-01-25_524b14a36296b54e9ec9e20aa33a95a6_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_524b14a36296b54e9ec9e20aa33a95a6_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-25_524b14a36296b54e9ec9e20aa33a95a6_cryptolocker
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Size
75KB
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MD5
524b14a36296b54e9ec9e20aa33a95a6
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SHA1
a5c262917239ff4142dfbf7e62965231a619c994
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SHA256
5f0493e9367dc61994f86d3821634b84476d29a898f1f0aabb564319705b5224
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SHA512
64f889916c157bc4884d74b48f52484312f42e5614c844427105ccf053c3575a2310e009876406778a5ab2584e261c90f7175fcbe3a6867894c75a675bf05e6d
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd1:T6a+rdOOtEvwDpjNtz
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 2024-01-25_524b14a36296b54e9ec9e20aa33a95a6_cryptolocker
Files
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2024-01-25_524b14a36296b54e9ec9e20aa33a95a6_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