Behavioral task
behavioral1
Sample
2024-03-19_88ea2d99aa21da5957d0075de5fcce3c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-19_88ea2d99aa21da5957d0075de5fcce3c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_88ea2d99aa21da5957d0075de5fcce3c_cryptolocker
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Size
98KB
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MD5
88ea2d99aa21da5957d0075de5fcce3c
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SHA1
082898f43495ecb820ceec190d768995ffd90805
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SHA256
85801d9219c426de72fae3ef417bf8a136551e8e99e14a55b0bcd336f9a88f51
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SHA512
52cda8d6da4d880c486f264fa70a13e9697630b4fd5631df479ab544fce50ad618ea74979fa35e41e27ac4e25e996fcb919bb3ade85e53e55cdc0700bebd9b80
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjuvQpdqb:zCsanOtEvwDpjf
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 2024-03-19_88ea2d99aa21da5957d0075de5fcce3c_cryptolocker
Files
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2024-03-19_88ea2d99aa21da5957d0075de5fcce3c_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