Behavioral task
behavioral1
Sample
2024-05-12_d1fdd46a3d736d869930ead20f72fb66_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-12_d1fdd46a3d736d869930ead20f72fb66_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-12_d1fdd46a3d736d869930ead20f72fb66_cryptolocker
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Size
81KB
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MD5
d1fdd46a3d736d869930ead20f72fb66
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SHA1
8745e20e28917bc380f96eff34e4cb64e8fcf61d
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SHA256
342968958c2fc6015a479bf26d45114912544aaf3ebad41d736478792e3ed83b
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SHA512
5bd44f184258e03bc0187661e35251425417482da1d6f0d0171a4502fa1e2a631f5f62f6912325e91ab3357301bd60f6a5b513def7a82e41e1f3c94741b81701
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qpn:zCsanOtEvwDpjt
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 2024-05-12_d1fdd46a3d736d869930ead20f72fb66_cryptolocker
Files
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2024-05-12_d1fdd46a3d736d869930ead20f72fb66_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