Behavioral task
behavioral1
Sample
2024-04-26_274b72c8b7a8ec102aec4fa650cfc063_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-26_274b72c8b7a8ec102aec4fa650cfc063_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-26_274b72c8b7a8ec102aec4fa650cfc063_cryptolocker
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Size
55KB
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MD5
274b72c8b7a8ec102aec4fa650cfc063
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SHA1
7cf15705641c393ad06a3c2698314d6bffda440c
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SHA256
699b8f21831326f7ffdc7c4e49ce65ea098ec3766eaf37d270f93cd333e0d1ae
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SHA512
82ff5f9adeb0d707698d6662d3fee4d97837112b50be4b7180ab15b7f59a799d8924e2bffcbff0ff347cf15b5794e9c8663c47162fbe64953850d5c900197415
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjla:bP9g/xtCS3Dxx0V
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-26_274b72c8b7a8ec102aec4fa650cfc063_cryptolocker
Files
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2024-04-26_274b72c8b7a8ec102aec4fa650cfc063_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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