Behavioral task
behavioral1
Sample
2024-03-08_ef8c9ad8fdf127198fd0f29c9d0ffab5_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-08_ef8c9ad8fdf127198fd0f29c9d0ffab5_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-08_ef8c9ad8fdf127198fd0f29c9d0ffab5_cryptolocker
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Size
64KB
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MD5
ef8c9ad8fdf127198fd0f29c9d0ffab5
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SHA1
a16fddd385c9a3886e174f48ebdad42b455a7cae
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SHA256
5879e732263a582e8848394f60231012f89440af091930bd4b3109ab1b4e8a79
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SHA512
f208dd62331a3b0f39c4b04322300d8d7c0b61652cefabc2dbd8629892c55d2be4095cc58c8d7b7aee2dac733bd0a2ebf81d6e3668917af10f9a71c5a52f3457
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5K7Sn:zj+soPSMOtEvwDpj4kpmeLmBn
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 2024-03-08_ef8c9ad8fdf127198fd0f29c9d0ffab5_cryptolocker
Files
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2024-03-08_ef8c9ad8fdf127198fd0f29c9d0ffab5_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