Behavioral task
behavioral1
Sample
2024-02-03_1f16fa44bd15e2d83534d1772716c2fb_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_1f16fa44bd15e2d83534d1772716c2fb_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_1f16fa44bd15e2d83534d1772716c2fb_cryptolocker
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Size
79KB
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MD5
1f16fa44bd15e2d83534d1772716c2fb
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SHA1
083722f1d7ae6f6e2b81a0172cbadc3a4cefac4e
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SHA256
e47d6a63d06661d4bfd16f9db90a21241671922e78eebd7d081690c7fdd4b211
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SHA512
47bd6363d80497b67d3faf59e4f176b064e7cb3f5cb160bf8ecdeaeabc608319741acea1cf0c6bbf0a1168d8bedbbd5ac52e2d59653f8539ed619401d62c0360
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyTg5:zCsanOtEvwDpjN
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 2024-02-03_1f16fa44bd15e2d83534d1772716c2fb_cryptolocker
Files
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2024-02-03_1f16fa44bd15e2d83534d1772716c2fb_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