Behavioral task
behavioral1
Sample
2024-01-26_41bc1aa9abc0048e01e2f8c5fcbbde41_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_41bc1aa9abc0048e01e2f8c5fcbbde41_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-26_41bc1aa9abc0048e01e2f8c5fcbbde41_cryptolocker
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Size
56KB
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MD5
41bc1aa9abc0048e01e2f8c5fcbbde41
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SHA1
11b7a436c4aeeecae76f29ea756ba52fb1e9924f
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SHA256
900ecbd2bb36bf641b4dd2e3419403865202a47e0e0cede3c0700c17c2321671
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SHA512
92a9d59d20a639ac790fcf5a8cc700f69ecc3817ae31793ac25bf86a9355552b95c798c7e8c5df16bded4b83e14be2abc309b702d454abc26c257f5a3c10913a
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpLzbV:zj+soPSMOtEvwDpj4yzbV
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 2024-01-26_41bc1aa9abc0048e01e2f8c5fcbbde41_cryptolocker
Files
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2024-01-26_41bc1aa9abc0048e01e2f8c5fcbbde41_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