Behavioral task
behavioral1
Sample
2024-01-27_8c71f86f8d25ce09c62541264f0eb857_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-27_8c71f86f8d25ce09c62541264f0eb857_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-27_8c71f86f8d25ce09c62541264f0eb857_cryptolocker
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Size
64KB
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MD5
8c71f86f8d25ce09c62541264f0eb857
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SHA1
d545c3bc683b3d2bae928a30920d99d33df7a041
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SHA256
1b87e14ed1b466d93b77e2f046fcef1dc5e5ca77f3f92816c70118021b4d8e3a
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SHA512
d56823aff8b35c7038ae12d4be40d9b268b2203cd0e7a95b096db6afcc91635cad9af7cfdf2875d9cd66e67d0d784abf04a8059e1ec9eb43fa170b31f1a7cfc5
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SSDEEP
384:z0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26JWFzKYkW0NrD5v6ntOOtEvwDpjqIGa:zQz7yVEhs9+8mJP6ntOOtEvwDpjF
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 2024-01-27_8c71f86f8d25ce09c62541264f0eb857_cryptolocker
Files
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2024-01-27_8c71f86f8d25ce09c62541264f0eb857_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